brcm63xx: register SPI controllers through DT
Register SPI controllers through device tree. We will wire up the clocks at a later stage. Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
This commit is contained in:
Jonas Gorski
parent
2a2b16210b
commit
b50fd8c2b3
26 changed files with 539 additions and 41 deletions
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@ -7,6 +7,7 @@
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pflash = &pflash;
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gpio0 = &gpio0;
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gpio1 = &gpio1;
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spi0 = &lsspi;
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};
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cpus {
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@ -51,6 +52,7 @@
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&periph_intc>;
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periph_intc: interrupt-controller@fff8c00c {
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compatible = "brcm,bcm6345-l1-intc";
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@ -70,7 +72,6 @@
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&periph_intc>;
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interrupts = <25>, <26>, <27>, <28>;
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};
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@ -91,5 +92,14 @@
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gpio-controller;
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#gpio-cells = <2>;
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};
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lsspi: spi@fff8c800 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6358-spi";
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reg = <0xfff8c800 0x70c>;
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interrupts = <1>;
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/* clocks = <&clkctl 9>; */
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};
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};
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};
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@ -6,6 +6,7 @@
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aliases {
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gpio0 = &gpio0;
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gpio1 = &gpio1;
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spi1 = &hsspi;
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};
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cpus {
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@ -34,6 +35,7 @@
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&periph_intc>;
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ext_intc: interrupt-controller@10000018 {
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compatible = "brcm,bcm6318-ext-intc";
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@ -42,7 +44,6 @@
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&periph_intc>;
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interrupts = <24>, <25>, <26>, <27>;
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};
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@ -78,5 +79,14 @@
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gpio-controller;
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#gpio-cells = <2>;
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};
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hsspi: spi@10003000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6328-hsspi";
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reg = <0x10003000 0x600>;
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interrupts = <29>;
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/* clocks = <&clkctl 25>; */
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};
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};
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};
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@ -6,6 +6,8 @@
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aliases {
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gpio0 = &gpio0;
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gpio1 = &gpio1;
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spi0 = &lsspi;
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spi1 = &hsspi;
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};
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cpus {
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@ -40,6 +42,7 @@
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&periph_intc>;
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ext_intc: interrupt-controller@10000018 {
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compatible = "brcm,bcm6345-ext-intc";
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@ -48,7 +51,6 @@
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&periph_intc>;
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interrupts = <44>, <45>, <46>, <47>;
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};
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@ -85,5 +87,23 @@
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gpio-controller;
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#gpio-cells = <2>;
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};
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lsspi: spi@10000800 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6358-spi";
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reg = <0x10000800 0x70c>;
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interrupts = <80>;
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/* clocks = <&clkctl 15>; */
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};
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hsspi: spi@10001000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6328-hsspi";
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reg = <0x10001000 0x600>;
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interrupts = <6>;
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/* clocks = <&clkctl 16>; */
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};
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};
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};
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@ -5,6 +5,7 @@
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aliases {
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gpio0 = &gpio0;
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spi1 = &hsspi;
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};
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cpus {
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@ -33,6 +34,7 @@
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&periph_intc>;
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ext_intc: interrupt-controller@10000018 {
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compatible = "brcm,bcm6345-ext-intc";
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@ -41,7 +43,6 @@
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&periph_intc>;
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interrupts = <24>, <25>, <26>, <27>;
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};
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@ -68,5 +69,14 @@
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interrupt-names = "gpio12", "gpio15",
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"gpio23", "gpio24";
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};
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hsspi: spi@10001000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6328-hsspi";
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reg = <0x10001000 0x600>;
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interrupts = <29>;
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/* clocks = <&clkctl 9>; */
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};
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};
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};
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@ -6,6 +6,7 @@
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aliases {
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pflash = &pflash;
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gpio0 = &gpio0;
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spi0 = &lsspi;
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};
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cpus {
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@ -44,6 +45,7 @@
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&periph_intc>;
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periph_intc: interrupt-controller@fffe000c {
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compatible = "brcm,bcm6345-l1-intc";
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@ -76,5 +78,14 @@
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ngpios = <8>;
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};
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lsspi: spi@fffe0c00 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6348-spi";
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reg = <0xfffe0c00 0x40>;
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interrupts = <1>;
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/* clocks = <&clkctl 9>; */
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};
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};
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};
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@ -7,6 +7,7 @@
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pflash = &pflash;
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gpio0 = &gpio0;
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gpio1 = &gpio1;
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spi0 = &lsspi;
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};
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cpus {
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@ -45,6 +46,7 @@
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&periph_intc>;
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periph_intc: interrupt-controller@fffe000c {
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compatible = "brcm,bcm6345-l1-intc";
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@ -91,5 +93,15 @@
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gpio-controller;
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#gpio-cells = <2>;
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};
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lsspi: spi@fffe0c00 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6348-spi";
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reg = <0xfffe0c00 0x40>;
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interrupts = <1>;
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/* clocks = <&clkctl 9>; */
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};
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};
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};
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@ -7,6 +7,7 @@
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pflash = &pflash;
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gpio0 = &gpio0;
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gpio1 = &gpio1;
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spi0 = &lsspi;
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};
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cpus {
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@ -51,6 +52,7 @@
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&periph_intc>;
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periph_intc: interrupt-controller@fffe000c {
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compatible = "brcm,bcm6345-l1-intc";
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@ -71,7 +73,6 @@
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&periph_intc>;
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interrupts = <25>, <26>, <27>, <28>;
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};
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@ -82,7 +83,6 @@
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&periph_intc>;
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interrupts = <20>, <21>;
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};
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@ -112,5 +112,14 @@
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gpio-controller;
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#gpio-cells = <2>;
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};
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lsspi: spi@fffe0800 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6358-spi";
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reg = <0xfffe0800 0x70c>;
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interrupts = <1>;
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/* clocks = <&clkctl 9>; */
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};
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};
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};
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@ -6,6 +6,8 @@
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aliases {
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gpio0 = &gpio0;
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gpio1 = &gpio1;
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spi0 = &lsspi;
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spi1 = &hsspi;
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};
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cpus {
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@ -40,6 +42,7 @@
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&periph_intc>;
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ext_intc: interrupt-controller@10000018 {
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compatible = "brcm,bcm6345-ext-intc";
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@ -48,7 +51,6 @@
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&periph_intc>;
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interrupts = <40>, <41>, <42>, <43>;
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};
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@ -86,5 +88,23 @@
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interrupt-names = "gpio24", "gpio25",
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"gpio26", "gpio27";
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};
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lsspi: spi@10000800 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6358-spi";
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reg = <0x10000800 0x70c>;
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interrupts = <2>;
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/* clocks = <&clkctl 15>; */
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};
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hsspi: spi@10001000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6328-hsspi";
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reg = <0x10001000 0x600>;
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interrupts = <5>;
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/* clocks = <&clkctl 16>; */
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};
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};
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};
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@ -7,6 +7,7 @@
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pflash = &pflash;
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gpio0 = &gpio0;
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gpio1 = &gpio1;
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spi0 = &lsspi;
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};
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cpus {
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@ -41,6 +42,7 @@
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&periph_intc>;
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ext_intc0: interrupt-controller@10000018 {
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compatible = "brcm,bcm6345-ext-intc";
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@ -49,7 +51,6 @@
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&periph_intc>;
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interrupts = <20>, <21>, <22>, <23>;
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};
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@ -60,7 +61,6 @@
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&periph_intc>;
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interrupts = <24>, <25>;
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};
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@ -102,6 +102,15 @@
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gpio-controller;
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#gpio-cells = <2>;
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};
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lsspi: spi@10000800 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "brcm,bcm6358-spi";
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reg = <0x10000800 0x70c>;
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interrupts = <1>;
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/* clocks = <&clkctl 9>; */
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};
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};
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pflash: nor@18000000 {
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@ -0,0 +1,50 @@
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From 0a0c39044332a75eaf4a3c5654079df953b0d839 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Mon, 7 Sep 2015 21:00:38 +0200
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Subject: [PATCH 3/8] spi/bcm63xx: document device tree bindings
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Add documentation for the bindings of the low speed SPI controller found
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on most bcm63xx SoCs.
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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.../devicetree/bindings/spi/spi-bcm63xx.txt | 33 ++++++++++++++++++++++
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1 file changed, 33 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/spi/spi-bcm63xx.txt
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/spi/spi-bcm63xx.txt
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@@ -0,0 +1,33 @@
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+Binding for Broadcom BCM6348/BCM6358 SPI controller
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+
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+Required properties:
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+- compatible: must contain one of "brcm,bcm6348-spi", "brcm,bcm6358-spi".
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+- reg: Base address and size of the controllers memory area.
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+- interrupts: Interrupt for the SPI block.
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+- clocks: phandle of the SPI clock.
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+- clock-names: has to be "spi".
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+- #address-cells: <1>, as required by generic SPI binding.
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+- #size-cells: <0>, also as required by generic SPI binding.
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+
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+Optional properties:
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+- num-cs: some controllers have less than 8 cs signals. Defaults to 8
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+ if absent.
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+
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+Child nodes as per the generic SPI binding.
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+
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+Example:
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+
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+ spi@10000800 {
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+ compatible = "brcm,bcm6368-spi", "brcm,bcm6358-spi";
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+ reg = <0x10000800 0x70c>;
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+
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+ interrupts = <1>;
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+
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+ clocks = <&clkctl 9>;
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+ clock-names = "spi";
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+
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+ num-cs = <5>;
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+
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ };
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@ -0,0 +1,98 @@
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From 3353228a04a004ec67073871f40cf58dc4e209aa Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jonas.gorski@gmail.com>
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Date: Mon, 7 Sep 2015 21:01:38 +0200
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Subject: [PATCH 4/8] spi/bcm63xx: add support for probing through devicetree
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Add required binding support to probe through device tree.
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Use the compatible instead of the resource size for identifiying the
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block type, and allow reducing the number of cs lines through OF.
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Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
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---
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drivers/spi/spi-bcm63xx.c | 42 ++++++++++++++++++++++++++++++++++++------
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1 file changed, 36 insertions(+), 6 deletions(-)
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--- a/drivers/spi/spi-bcm63xx.c
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+++ b/drivers/spi/spi-bcm63xx.c
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@@ -26,6 +26,7 @@
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#include <linux/completion.h>
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#include <linux/err.h>
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#include <linux/pm_runtime.h>
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+#include <linux/of.h>
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/* BCM 6338/6348 SPI core */
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#define SPI_6348_RSET_SIZE 64
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@@ -485,21 +486,48 @@ static const struct platform_device_id b
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},
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};
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+static const struct of_device_id bcm63xx_spi_of_match[] = {
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+ { .compatible = "brcm,bcm6348-spi", .data = &bcm6348_spi_reg_offsets },
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+ { .compatible = "brcm,bcm6358-spi", .data = &bcm6358_spi_reg_offsets },
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+ { },
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+};
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+
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static int bcm63xx_spi_probe(struct platform_device *pdev)
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{
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struct resource *r;
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const unsigned long *bcm63xx_spireg;
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struct device *dev = &pdev->dev;
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- int irq;
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+ int irq, bus_num;
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struct spi_master *master;
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struct clk *clk;
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struct bcm63xx_spi *bs;
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int ret;
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+ u32 num_cs = BCM63XX_SPI_MAX_CS;
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- if (!pdev->id_entry->driver_data)
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- return -EINVAL;
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+ if (dev->of_node) {
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+ const struct of_device_id *match;
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||||
- bcm63xx_spireg = (const unsigned long *)pdev->id_entry->driver_data;
|
||||
+ match = of_match_node(bcm63xx_spi_of_match, dev->of_node);
|
||||
+ if (!match)
|
||||
+ return -EINVAL;
|
||||
+ bcm63xx_spireg = match->data;
|
||||
+
|
||||
+ of_property_read_u32(dev->of_node, "num-cs", &num_cs);
|
||||
+ if (num_cs > BCM63XX_SPI_MAX_CS) {
|
||||
+ dev_warn(dev, "unsupported number of cs (%i), reducing to 8\n",
|
||||
+ num_cs);
|
||||
+ num_cs = BCM63XX_SPI_MAX_CS;
|
||||
+ }
|
||||
+
|
||||
+ bus_num = -1;
|
||||
+ } else if (pdev->id_entry->driver_data) {
|
||||
+ const struct platform_device_id *match = pdev->id_entry;
|
||||
+
|
||||
+ bcm63xx_spireg = (const unsigned long *)match->driver_data;
|
||||
+ bus_num = BCM63XX_SPI_BUS_NUM;
|
||||
+ } else {
|
||||
+ return -EINVAL;
|
||||
+ }
|
||||
|
||||
irq = platform_get_irq(pdev, 0);
|
||||
if (irq < 0) {
|
||||
@@ -544,8 +572,9 @@ static int bcm63xx_spi_probe(struct plat
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
- master->bus_num = BCM63XX_SPI_BUS_NUM;
|
||||
- master->num_chipselect = BCM63XX_SPI_MAX_CS;
|
||||
+ master->dev.of_node = dev->of_node;
|
||||
+ master->bus_num = bus_num;
|
||||
+ master->num_chipselect = num_cs;
|
||||
master->transfer_one_message = bcm63xx_spi_transfer_one;
|
||||
master->mode_bits = MODEBITS;
|
||||
master->bits_per_word_mask = SPI_BPW_MASK(8);
|
||||
@@ -634,6 +663,7 @@ static struct platform_driver bcm63xx_sp
|
||||
.driver = {
|
||||
.name = "bcm63xx-spi",
|
||||
.pm = &bcm63xx_spi_pm_ops,
|
||||
+ .of_match_table = bcm63xx_spi_of_match,
|
||||
},
|
||||
.id_table = bcm63xx_spi_dev_match,
|
||||
.probe = bcm63xx_spi_probe,
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
From d03f23df6ff47898d76f06b3aa5dadcfa1ec8f4f Mon Sep 17 00:00:00 2001
|
||||
From: Jonas Gorski <jonas.gorski@gmail.com>
|
||||
Date: Sun, 19 Feb 2017 23:40:22 +0100
|
||||
Subject: [PATCH 1/3] spi/bcm63xx-hsspi: allow providing clock rate through a
|
||||
second clock
|
||||
|
||||
Instead of requiring the hsspi clock to have a rate, allow using a second
|
||||
clock for providing the Hz rate, which is probably more correct anyway.
|
||||
|
||||
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
||||
---
|
||||
drivers/spi/spi-bcm63xx-hsspi.c | 12 ++++++++++--
|
||||
1 file changed, 10 insertions(+), 2 deletions(-)
|
||||
|
||||
--- a/drivers/spi/spi-bcm63xx-hsspi.c
|
||||
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
|
||||
@@ -351,8 +351,16 @@ static int bcm63xx_hsspi_probe(struct pl
|
||||
return PTR_ERR(clk);
|
||||
|
||||
rate = clk_get_rate(clk);
|
||||
- if (!rate)
|
||||
- return -EINVAL;
|
||||
+ if (!rate) {
|
||||
+ struct clk *pll_clk = devm_clk_get(dev, "pll");
|
||||
+
|
||||
+ if (IS_ERR(pll_clk))
|
||||
+ return PTR_ERR(pll_clk);
|
||||
+
|
||||
+ rate = clk_get_rate(pll_clk);
|
||||
+ if (!rate)
|
||||
+ return -EINVAL;
|
||||
+ }
|
||||
|
||||
ret = clk_prepare_enable(clk);
|
||||
if (ret)
|
||||
|
|
@ -0,0 +1,51 @@
|
|||
From ff759cc25db31bbb3469abb16a0306f110c4c7fa Mon Sep 17 00:00:00 2001
|
||||
From: Jonas Gorski <jonas.gorski@gmail.com>
|
||||
Date: Thu, 10 Sep 2015 14:52:32 +0200
|
||||
Subject: [PATCH 2/3] dt-bindings: spi: document bcm63xx HS SPI devicetree
|
||||
bindings
|
||||
|
||||
Add documentation for the bindings of the high speed SPI controller found
|
||||
on newer bcm63xx SoCs.
|
||||
|
||||
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
||||
---
|
||||
.../devicetree/bindings/spi/spi-bcm63xx-hsspi.txt | 33 ++++++++++++++++++++++
|
||||
1 file changed, 33 insertions(+)
|
||||
create mode 100644 Documentation/devicetree/bindings/spi/spi-bcm63xx-hsspi.txt
|
||||
|
||||
--- /dev/null
|
||||
+++ b/Documentation/devicetree/bindings/spi/spi-bcm63xx-hsspi.txt
|
||||
@@ -0,0 +1,33 @@
|
||||
+Binding for Broadcom BCM6328 High Speed SPI controller
|
||||
+
|
||||
+Required properties:
|
||||
+- compatible: must contain of "brcm,bcm6328-hsspi".
|
||||
+- reg: Base address and size of the controllers memory area.
|
||||
+- interrupts: Interrupt for the SPI block.
|
||||
+- clocks: phandles of the SPI clock and the PLL clock.
|
||||
+- clock-names: must be "hsspi", "pll".
|
||||
+- #address-cells: <1>, as required by generic SPI binding.
|
||||
+- #size-cells: <0>, also as required by generic SPI binding.
|
||||
+
|
||||
+Optional properties:
|
||||
+- num-cs: some controllers have less than 8 cs signals. Defaults to 8
|
||||
+ if absent.
|
||||
+
|
||||
+Child nodes as per the generic SPI binding.
|
||||
+
|
||||
+Example:
|
||||
+
|
||||
+ spi@10001000 {
|
||||
+ compatible = "brcm,bcm6328-hsspi";
|
||||
+ reg = <0x10001000 0x600>;
|
||||
+
|
||||
+ interrupts = <29>;
|
||||
+
|
||||
+ clocks = <&clkctl 9>, <&hsspi_pll>;
|
||||
+ clock-names = "hsspi", "pll";
|
||||
+
|
||||
+ num-cs = <2>;
|
||||
+
|
||||
+ #address-cells = <1>;
|
||||
+ #size-cells = <0>;
|
||||
+ };
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
From 776041498c2b285a7f745c924e10fc11ef720eae Mon Sep 17 00:00:00 2001
|
||||
From: Jonas Gorski <jonas.gorski@gmail.com>
|
||||
Date: Thu, 10 Sep 2015 14:53:53 +0200
|
||||
Subject: [PATCH 3/3] spi/bcm63xx-hsspi: allow for probing through devicetree
|
||||
|
||||
Add required binding support to probe through device tree.
|
||||
|
||||
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
||||
---
|
||||
drivers/spi/spi-bcm63xx-hsspi.c | 23 ++++++++++++++++++++---
|
||||
1 file changed, 20 insertions(+), 3 deletions(-)
|
||||
|
||||
--- a/drivers/spi/spi-bcm63xx-hsspi.c
|
||||
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
|
||||
@@ -19,6 +19,7 @@
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/spi/spi.h>
|
||||
#include <linux/mutex.h>
|
||||
+#include <linux/of.h>
|
||||
|
||||
#define HSSPI_GLOBAL_CTRL_REG 0x0
|
||||
#define GLOBAL_CTRL_CS_POLARITY_SHIFT 0
|
||||
@@ -91,6 +92,7 @@
|
||||
|
||||
#define HSSPI_MAX_SYNC_CLOCK 30000000
|
||||
|
||||
+#define HSSPI_SPI_MAX_CS 8
|
||||
#define HSSPI_BUS_NUM 1 /* 0 is legacy SPI */
|
||||
|
||||
struct bcm63xx_hsspi {
|
||||
@@ -332,7 +334,7 @@ static int bcm63xx_hsspi_probe(struct pl
|
||||
struct device *dev = &pdev->dev;
|
||||
struct clk *clk;
|
||||
int irq, ret;
|
||||
- u32 reg, rate;
|
||||
+ u32 reg, rate, num_cs = HSSPI_SPI_MAX_CS;
|
||||
|
||||
irq = platform_get_irq(pdev, 0);
|
||||
if (irq < 0) {
|
||||
@@ -382,8 +384,17 @@ static int bcm63xx_hsspi_probe(struct pl
|
||||
mutex_init(&bs->bus_mutex);
|
||||
init_completion(&bs->done);
|
||||
|
||||
- master->bus_num = HSSPI_BUS_NUM;
|
||||
- master->num_chipselect = 8;
|
||||
+ master->dev.of_node = dev->of_node;
|
||||
+ if (!dev->of_node)
|
||||
+ master->bus_num = HSSPI_BUS_NUM;
|
||||
+
|
||||
+ of_property_read_u32(dev->of_node, "num-cs", &num_cs);
|
||||
+ if (num_cs > 8) {
|
||||
+ dev_warn(dev, "unsupported number of cs (%i), reducing to 8\n",
|
||||
+ num_cs);
|
||||
+ num_cs = HSSPI_SPI_MAX_CS;
|
||||
+ }
|
||||
+ master->num_chipselect = num_cs;
|
||||
master->setup = bcm63xx_hsspi_setup;
|
||||
master->transfer_one_message = bcm63xx_hsspi_transfer_one;
|
||||
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH |
|
||||
@@ -469,10 +480,16 @@ static int bcm63xx_hsspi_resume(struct d
|
||||
static SIMPLE_DEV_PM_OPS(bcm63xx_hsspi_pm_ops, bcm63xx_hsspi_suspend,
|
||||
bcm63xx_hsspi_resume);
|
||||
|
||||
+static const struct of_device_id bcm63xx_hsspi_of_match[] = {
|
||||
+ { .compatible = "brcm,bcm6328-hsspi", },
|
||||
+ { },
|
||||
+};
|
||||
+
|
||||
static struct platform_driver bcm63xx_hsspi_driver = {
|
||||
.driver = {
|
||||
.name = "bcm63xx-hsspi",
|
||||
.pm = &bcm63xx_hsspi_pm_ops,
|
||||
+ .of_match_table = bcm63xx_hsspi_of_match,
|
||||
},
|
||||
.probe = bcm63xx_hsspi_probe,
|
||||
.remove = bcm63xx_hsspi_remove,
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
From 39d2882058345b5994680b8731848a0343878019 Mon Sep 17 00:00:00 2001
|
||||
From: Jonas Gorski <jonas.gorski@gmail.com>
|
||||
Date: Sat, 4 Feb 2017 12:58:50 +0100
|
||||
Subject: [PATCH 7/8] MIPS: BCM63XX: do not register SPI controllers
|
||||
|
||||
We now register them through DT, so no need to keep them here.
|
||||
|
||||
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
||||
---
|
||||
arch/mips/bcm63xx/boards/board_bcm963xx.c | 7 -------
|
||||
1 file changed, 7 deletions(-)
|
||||
|
||||
--- a/arch/mips/bcm63xx/boards/board_common.c
|
||||
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
||||
@@ -29,9 +29,7 @@
|
||||
#include <bcm63xx_dev_enet.h>
|
||||
#include <bcm63xx_dev_dsp.h>
|
||||
#include <bcm63xx_dev_flash.h>
|
||||
-#include <bcm63xx_dev_hsspi.h>
|
||||
#include <bcm63xx_dev_pcmcia.h>
|
||||
-#include <bcm63xx_dev_spi.h>
|
||||
#include <bcm63xx_dev_usb_ehci.h>
|
||||
#include <bcm63xx_dev_usb_ohci.h>
|
||||
#include <bcm63xx_dev_usb_usbd.h>
|
||||
@@ -250,10 +248,6 @@ int __init board_register_devices(void)
|
||||
bcm63xx_register_fallback_sprom(&board.fallback_sprom)))
|
||||
pr_err(PFX "failed to register fallback SPROM\n");
|
||||
|
||||
- bcm63xx_spi_register();
|
||||
-
|
||||
- bcm63xx_hsspi_register();
|
||||
-
|
||||
if (board.num_spis)
|
||||
spi_register_board_info(board.spis, board.num_spis);
|
||||
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
--- a/arch/mips/bcm63xx/boards/board_common.c
|
||||
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
||||
@@ -102,6 +102,8 @@ void __init board_early_setup(const stru
|
||||
@@ -100,6 +100,8 @@ void __init board_early_setup(const stru
|
||||
if (BCMCPU_IS_6348())
|
||||
val |= GPIO_MODE_6348_G3_EXT_MII |
|
||||
GPIO_MODE_6348_G0_EXT_MII;
|
||||
|
|
|
|||
|
|
@ -11,10 +11,11 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
|||
|
||||
--- a/arch/mips/bcm63xx/dev-flash.c
|
||||
+++ b/arch/mips/bcm63xx/dev-flash.c
|
||||
@@ -17,9 +17,12 @@
|
||||
@@ -17,9 +17,13 @@
|
||||
#include <linux/mtd/partitions.h>
|
||||
#include <linux/mtd/physmap.h>
|
||||
#include <linux/mtd/spi-nor.h>
|
||||
+#include <linux/of.h>
|
||||
+#include <linux/spi/spi.h>
|
||||
+#include <linux/spi/flash.h>
|
||||
|
||||
|
|
@ -24,7 +25,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
|||
#include <bcm63xx_regs.h>
|
||||
#include <bcm63xx_io.h>
|
||||
|
||||
@@ -66,6 +69,21 @@ void __init bcm63xx_flash_force_phys_bas
|
||||
@@ -66,6 +70,46 @@ void __init bcm63xx_flash_force_phys_bas
|
||||
mtd_resources[0].end = end;
|
||||
}
|
||||
|
||||
|
|
@ -42,11 +43,36 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
|||
+ .platform_data = &bcm63xx_flash_data,
|
||||
+ },
|
||||
+};
|
||||
+
|
||||
+static void bcm63xx_of_update_spi_flash_speed(struct device_node *np,
|
||||
+ unsigned int new_hz)
|
||||
+{
|
||||
+ struct property *max_hz;
|
||||
+ __be32 *hz;
|
||||
+
|
||||
+ max_hz = kzalloc(sizeof(*max_hz) + sizeof(*hz), GFP_KERNEL);
|
||||
+ if (!max_hz)
|
||||
+ return;
|
||||
+
|
||||
+ max_hz->name = kstrdup("spi-max-frequency", GFP_KERNEL);
|
||||
+ if (!max_hz->name) {
|
||||
+ kfree(max_hz);
|
||||
+ return;
|
||||
+ }
|
||||
+
|
||||
+ max_hz->value = max_hz + 1;
|
||||
+ max_hz->length = sizeof(*hz);
|
||||
+
|
||||
+ hz = max_hz->value;
|
||||
+ *hz = cpu_to_be32(new_hz);
|
||||
+
|
||||
+ of_update_property(np, max_hz);
|
||||
+}
|
||||
+
|
||||
static int __init bcm63xx_detect_flash_type(void)
|
||||
{
|
||||
u32 val;
|
||||
@@ -73,9 +91,15 @@ static int __init bcm63xx_detect_flash_t
|
||||
@@ -73,9 +117,15 @@ static int __init bcm63xx_detect_flash_t
|
||||
switch (bcm63xx_get_cpu_id()) {
|
||||
case BCM6318_CPU_ID:
|
||||
/* only support serial flash */
|
||||
|
|
@ -62,7 +88,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
|||
if (val & STRAPBUS_6328_BOOT_SEL_SERIAL)
|
||||
return BCM63XX_FLASH_TYPE_SERIAL;
|
||||
else
|
||||
@@ -94,12 +118,20 @@ static int __init bcm63xx_detect_flash_t
|
||||
@@ -94,12 +144,20 @@ static int __init bcm63xx_detect_flash_t
|
||||
return BCM63XX_FLASH_TYPE_SERIAL;
|
||||
case BCM6362_CPU_ID:
|
||||
val = bcm_misc_readl(MISC_STRAPBUS_6362_REG);
|
||||
|
|
@ -83,7 +109,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
|||
switch (val & STRAPBUS_6368_BOOT_SEL_MASK) {
|
||||
case STRAPBUS_6368_BOOT_SEL_NAND:
|
||||
return BCM63XX_FLASH_TYPE_NAND;
|
||||
@@ -110,6 +142,11 @@ static int __init bcm63xx_detect_flash_t
|
||||
@@ -110,6 +168,11 @@ static int __init bcm63xx_detect_flash_t
|
||||
}
|
||||
case BCM63268_CPU_ID:
|
||||
val = bcm_misc_readl(MISC_STRAPBUS_63268_REG);
|
||||
|
|
@ -95,20 +121,35 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
|
|||
if (val & STRAPBUS_63268_BOOT_SEL_SERIAL)
|
||||
return BCM63XX_FLASH_TYPE_SERIAL;
|
||||
else
|
||||
@@ -195,8 +232,14 @@ int __init bcm63xx_flash_register(void)
|
||||
@@ -176,6 +239,7 @@ void __init bcm63xx_flash_detect(void)
|
||||
|
||||
int __init bcm63xx_flash_register(void)
|
||||
{
|
||||
+ struct device_node *np;
|
||||
u32 val;
|
||||
|
||||
switch (flash_type) {
|
||||
@@ -195,8 +259,21 @@ int __init bcm63xx_flash_register(void)
|
||||
|
||||
return platform_device_register(&mtd_dev);
|
||||
case BCM63XX_FLASH_TYPE_SERIAL:
|
||||
- pr_warn("unsupported serial flash detected\n");
|
||||
- return -ENODEV;
|
||||
+ if (BCMCPU_IS_6318() || BCMCPU_IS_6328() || BCMCPU_IS_6362() ||
|
||||
+ BCMCPU_IS_63268()) {
|
||||
+ np = of_find_compatible_node(NULL, NULL, "jedec,spi-nor");
|
||||
+ if (np) {
|
||||
+ bcm63xx_of_update_spi_flash_speed(np, bcm63xx_spi_flash_info[0].max_speed_hz);
|
||||
+ of_node_put(np);
|
||||
+ return 0;
|
||||
+ } else {
|
||||
+ if (BCMCPU_IS_6318() || BCMCPU_IS_6328() ||
|
||||
+ BCMCPU_IS_6362() || BCMCPU_IS_63268()) {
|
||||
+ bcm63xx_spi_flash_info[0].bus_num = 1;
|
||||
+ bcm63xx_spi_flash_info[0].mode = SPI_RX_DUAL;
|
||||
+ }
|
||||
+
|
||||
+ return spi_register_board_info(bcm63xx_spi_flash_info,
|
||||
+ ARRAY_SIZE(bcm63xx_spi_flash_info));
|
||||
+ }
|
||||
case BCM63XX_FLASH_TYPE_NAND:
|
||||
pr_warn("unsupported NAND flash detected\n");
|
||||
return -ENODEV;
|
||||
|
|
|
|||
|
|
@ -10,7 +10,7 @@ Subject: [PATCH 58/72] BCM63XX: allow providing fixup data in board data
|
|||
|
||||
--- a/arch/mips/bcm63xx/boards/board_common.c
|
||||
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
||||
@@ -36,6 +36,7 @@
|
||||
@@ -34,6 +34,7 @@
|
||||
#include <bcm63xx_dev_usb_ohci.h>
|
||||
#include <bcm63xx_dev_usb_usbd.h>
|
||||
#include <board_bcm963xx.h>
|
||||
|
|
@ -18,7 +18,7 @@ Subject: [PATCH 58/72] BCM63XX: allow providing fixup data in board data
|
|||
|
||||
#include "board_common.h"
|
||||
|
||||
@@ -191,6 +192,7 @@ static struct of_device_id of_ids[] = {
|
||||
@@ -189,6 +190,7 @@ static struct of_device_id of_ids[] = {
|
||||
int __init board_register_devices(void)
|
||||
{
|
||||
int usbh_ports = 0;
|
||||
|
|
@ -26,7 +26,7 @@ Subject: [PATCH 58/72] BCM63XX: allow providing fixup data in board data
|
|||
|
||||
#if CONFIG_OF
|
||||
if (of_have_populated_dt()) {
|
||||
@@ -271,6 +273,10 @@ int __init board_register_devices(void)
|
||||
@@ -265,6 +267,10 @@ int __init board_register_devices(void)
|
||||
board.ephy_reset_gpio_flags);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -11,7 +11,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
|
|||
|
||||
--- a/arch/mips/bcm63xx/dev-flash.c
|
||||
+++ b/arch/mips/bcm63xx/dev-flash.c
|
||||
@@ -249,3 +249,8 @@ int __init bcm63xx_flash_register(void)
|
||||
@@ -283,3 +283,8 @@ int __init bcm63xx_flash_register(void)
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -11,7 +11,7 @@ Subject: [PATCH 69/80] MIPS: BCM63XX: pass caldata info to flash
|
|||
|
||||
--- a/arch/mips/bcm63xx/boards/board_common.c
|
||||
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
||||
@@ -261,7 +261,7 @@ int __init board_register_devices(void)
|
||||
@@ -255,7 +255,7 @@ int __init board_register_devices(void)
|
||||
if (board.num_spis)
|
||||
spi_register_board_info(board.spis, board.num_spis);
|
||||
|
||||
|
|
@ -22,7 +22,7 @@ Subject: [PATCH 69/80] MIPS: BCM63XX: pass caldata info to flash
|
|||
bcm63xx_led_data.leds = board.leds;
|
||||
--- a/arch/mips/bcm63xx/dev-flash.c
|
||||
+++ b/arch/mips/bcm63xx/dev-flash.c
|
||||
@@ -38,12 +38,15 @@ static struct mtd_partition mtd_partitio
|
||||
@@ -39,12 +39,15 @@ static struct mtd_partition mtd_partitio
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -38,7 +38,7 @@ Subject: [PATCH 69/80] MIPS: BCM63XX: pass caldata info to flash
|
|||
};
|
||||
|
||||
static struct resource mtd_resources[] = {
|
||||
@@ -71,6 +74,7 @@ void __init bcm63xx_flash_force_phys_bas
|
||||
@@ -72,6 +75,7 @@ void __init bcm63xx_flash_force_phys_bas
|
||||
|
||||
static struct flash_platform_data bcm63xx_flash_data = {
|
||||
.part_probe_types = bcm63xx_part_types,
|
||||
|
|
@ -46,13 +46,14 @@ Subject: [PATCH 69/80] MIPS: BCM63XX: pass caldata info to flash
|
|||
};
|
||||
|
||||
static struct spi_board_info bcm63xx_spi_flash_info[] = {
|
||||
@@ -211,9 +215,13 @@ void __init bcm63xx_flash_detect(void)
|
||||
@@ -237,10 +241,14 @@ void __init bcm63xx_flash_detect(void)
|
||||
}
|
||||
}
|
||||
|
||||
-int __init bcm63xx_flash_register(void)
|
||||
+int __init bcm63xx_flash_register(int num_caldata, struct ath9k_caldata *caldata)
|
||||
{
|
||||
struct device_node *np;
|
||||
u32 val;
|
||||
+ unsigned int i;
|
||||
+
|
||||
|
|
|
|||
|
|
@ -39,7 +39,7 @@
|
|||
return;
|
||||
--- a/arch/mips/bcm63xx/boards/board_common.c
|
||||
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
||||
@@ -275,7 +275,8 @@ int __init board_register_devices(void)
|
||||
@@ -269,7 +269,8 @@ int __init board_register_devices(void)
|
||||
|
||||
/* register any fixups */
|
||||
for (i = 0; i < board.has_caldata; i++)
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
--- a/arch/mips/bcm63xx/boards/board_common.c
|
||||
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
||||
@@ -276,7 +276,7 @@ int __init board_register_devices(void)
|
||||
@@ -270,7 +270,7 @@ int __init board_register_devices(void)
|
||||
/* register any fixups */
|
||||
for (i = 0; i < board.has_caldata; i++)
|
||||
pci_enable_ath9k_fixup(board.caldata[i].slot, board.caldata[i].caldata_offset,
|
||||
|
|
|
|||
|
|
@ -28,7 +28,7 @@ Subject: [PATCH 72/72] 446-BCM63XX-add-a-fixup-for-rt2x00-devices
|
|||
obj-y += boards/
|
||||
--- a/arch/mips/bcm63xx/boards/board_common.c
|
||||
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
||||
@@ -37,6 +37,7 @@
|
||||
@@ -35,6 +35,7 @@
|
||||
#include <bcm63xx_dev_usb_usbd.h>
|
||||
#include <board_bcm963xx.h>
|
||||
#include <pci_ath9k_fixup.h>
|
||||
|
|
@ -36,7 +36,7 @@ Subject: [PATCH 72/72] 446-BCM63XX-add-a-fixup-for-rt2x00-devices
|
|||
|
||||
#include "board_common.h"
|
||||
|
||||
@@ -274,9 +275,19 @@ int __init board_register_devices(void)
|
||||
@@ -268,9 +269,19 @@ int __init board_register_devices(void)
|
||||
}
|
||||
|
||||
/* register any fixups */
|
||||
|
|
@ -61,15 +61,15 @@ Subject: [PATCH 72/72] 446-BCM63XX-add-a-fixup-for-rt2x00-devices
|
|||
}
|
||||
--- a/arch/mips/bcm63xx/dev-flash.c
|
||||
+++ b/arch/mips/bcm63xx/dev-flash.c
|
||||
@@ -215,7 +215,7 @@ void __init bcm63xx_flash_detect(void)
|
||||
@@ -241,7 +241,7 @@ void __init bcm63xx_flash_detect(void)
|
||||
}
|
||||
}
|
||||
|
||||
-int __init bcm63xx_flash_register(int num_caldata, struct ath9k_caldata *caldata)
|
||||
+int __init bcm63xx_flash_register(int num_caldata, struct bcm63xx_caldata *caldata)
|
||||
{
|
||||
struct device_node *np;
|
||||
u32 val;
|
||||
unsigned int i;
|
||||
--- /dev/null
|
||||
+++ b/arch/mips/bcm63xx/pci-rt2x00-fixup.c
|
||||
@@ -0,0 +1,72 @@
|
||||
|
|
|
|||
|
|
@ -69,7 +69,7 @@
|
|||
cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
|
||||
--- a/arch/mips/bcm63xx/dev-flash.c
|
||||
+++ b/arch/mips/bcm63xx/dev-flash.c
|
||||
@@ -20,6 +20,7 @@
|
||||
@@ -21,6 +21,7 @@
|
||||
#include <linux/spi/spi.h>
|
||||
#include <linux/spi/flash.h>
|
||||
|
||||
|
|
@ -77,7 +77,7 @@
|
|||
#include <bcm63xx_cpu.h>
|
||||
#include <bcm63xx_dev_flash.h>
|
||||
#include <bcm63xx_dev_hsspi.h>
|
||||
@@ -234,6 +235,13 @@ int __init bcm63xx_flash_register(int nu
|
||||
@@ -261,6 +262,13 @@ int __init bcm63xx_flash_register(int nu
|
||||
val = bcm_mpi_readl(MPI_CSBASE_REG(0));
|
||||
val &= MPI_CSBASE_BASE_MASK;
|
||||
|
||||
|
|
|
|||
|
|
@ -33,7 +33,7 @@ Subject: [PATCH] MIPS: BCM63XX: add inventel Livebox support
|
|||
+obj-$(CONFIG_BOARD_LIVEBOX) += board_livebox.o
|
||||
--- a/arch/mips/bcm63xx/boards/board_common.c
|
||||
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
||||
@@ -59,7 +59,7 @@ void __init board_prom_init(void)
|
||||
@@ -57,7 +57,7 @@ void __init board_prom_init(void)
|
||||
if (fw_arg3 == CFE_EPTSEAL)
|
||||
board_bcm963xx_init();
|
||||
else
|
||||
|
|
|
|||
|
|
@ -91,7 +91,7 @@ Subject: [PATCH 32/63] bcm63xx: add support for 96368MVWG board.
|
|||
#endif
|
||||
--- a/arch/mips/bcm63xx/boards/board_common.c
|
||||
+++ b/arch/mips/bcm63xx/boards/board_common.c
|
||||
@@ -86,12 +86,25 @@ void __init board_early_setup(const stru
|
||||
@@ -84,12 +84,25 @@ void __init board_early_setup(const stru
|
||||
bcm63xx_pci_enabled = 1;
|
||||
if (BCMCPU_IS_6348())
|
||||
val |= GPIO_MODE_6348_G2_PCI;
|
||||
|
|
|
|||
Loading…
Reference in a new issue