167 lines
4.2 KiB
Diff
167 lines
4.2 KiB
Diff
From 4ce1f4c3ab04a697e9861b77582077b905b3f8a0 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Fri, 3 Jan 2014 10:27:51 +0100
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Subject: [PATCH] ARM: sun7i: dts: Add ahci / sata support
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This patch adds sunxi sata support to A20 boards that have such a connector.
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Some boards also feature a regulator via a GPIO and support for this is also
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added.
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Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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arch/arm/boot/dts/sun7i-a20-cubieboard2.dts | 27 +++++++++++++++++++++++++
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arch/arm/boot/dts/sun7i-a20-cubietruck.dts | 27 +++++++++++++++++++++++++
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arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts | 26 ++++++++++++++++++++++++
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arch/arm/boot/dts/sun7i-a20.dtsi | 9 +++++++++
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4 files changed, 89 insertions(+)
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--- a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
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+++ b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
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@@ -43,7 +43,19 @@
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status = "okay";
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};
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+ sata: ahci@01c18000 {
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+ pwr-supply = <®_ahci_5v>;
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+ status = "okay";
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+ };
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+
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pinctrl@01c20800 {
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+ ahci_pwr_pin_cubieboard2: ahci_pwr_pin@0 {
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+ allwinner,pins = "PB8";
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+ allwinner,function = "gpio_out";
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+ allwinner,drive = <0>;
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+ allwinner,pull = <0>;
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+ };
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+
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mmc0_cd_pin_cubieboard2: mmc0_cd_pin@0 {
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allwinner,pins = "PH1";
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allwinner,function = "gpio_in";
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@@ -93,4 +105,19 @@
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gpios = <&pio 7 20 0>;
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};
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};
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+
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+ regulators {
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+ compatible = "simple-bus";
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+ pinctrl-names = "default";
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+
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+ reg_ahci_5v: ahci-5v {
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+ compatible = "regulator-fixed";
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+ regulator-name = "ahci-5v";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ pinctrl-0 = <&ahci_pwr_pin_cubieboard2>;
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+ gpio = <&pio 1 8 0>;
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+ enable-active-high;
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+ };
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+ };
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};
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--- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
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+++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
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@@ -43,6 +43,11 @@
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status = "okay";
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};
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+ sata: ahci@01c18000 {
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+ pwr-supply = <®_ahci_5v>;
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+ status = "okay";
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+ };
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+
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pinctrl@01c20800 {
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mmc0_cd_pin_cubietruck: mmc0_cd_pin@0 {
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allwinner,pins = "PH1";
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@@ -58,6 +63,13 @@
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allwinner,pull = <0>;
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};
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+ ahci_pwr_pin_cubietruck: ahci_pwr_pin@0 {
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+ allwinner,pins = "PH12";
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+ allwinner,function = "gpio_out";
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+ allwinner,drive = <0>;
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+ allwinner,pull = <0>;
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+ };
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+
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led_pins_cubietruck: led_pins@0 {
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allwinner,pins = "PH7", "PH11", "PH20", "PH21";
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allwinner,function = "gpio_out";
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@@ -149,4 +161,19 @@
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gpio = <&pio 7 3 0>;
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};
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};
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+
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+ regulators {
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+ compatible = "simple-bus";
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+ pinctrl-names = "default";
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+
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+ reg_ahci_5v: ahci-5v {
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+ compatible = "regulator-fixed";
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+ regulator-name = "ahci-5v";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ pinctrl-0 = <&ahci_pwr_pin_cubietruck>;
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+ gpio = <&pio 7 12 0>;
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+ enable-active-high;
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+ };
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+ };
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};
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--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
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+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
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@@ -52,7 +52,19 @@
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status = "okay";
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};
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+ sata: ahci@01c18000 {
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+ pwr-supply = <®_ahci_5v>;
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+ status = "okay";
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+ };
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+
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pinctrl@01c20800 {
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+ ahci_pwr_pin_olinuxinom: ahci_pwr_pin@0 {
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+ allwinner,pins = "PB8";
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+ allwinner,function = "gpio_out";
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+ allwinner,drive = <0>;
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+ allwinner,pull = <0>;
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+ };
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+
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mmc0_cd_pin_olinuxinom: mmc0_cd_pin@0 {
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allwinner,pins = "PH1";
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allwinner,function = "gpio_in";
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@@ -123,4 +135,18 @@
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default-state = "on";
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};
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};
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+
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+ regulators {
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+ compatible = "simple-bus";
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+
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+ reg_ahci_5v: ahci-5v {
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+ compatible = "regulator-fixed";
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+ regulator-name = "ahci-5v";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ pinctrl-0 = <&ahci_pwr_pin_olinuxinom>;
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+ gpio = <&pio 1 8 0>;
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+ enable-active-high;
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+ };
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+ };
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};
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--- a/arch/arm/boot/dts/sun7i-a20.dtsi
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+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
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@@ -433,6 +433,15 @@
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};
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};
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+ sata: ahci@01c18000 {
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+ compatible = "allwinner,sun4i-a10-ahci";
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+ reg = <0x01c18000 0x1000>;
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+ interrupts = <0 56 1>;
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+ clocks = <&ahb_gates 25>, <&pll6 0>;
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+ clock-names = "ahb_sata", "pll6_sata";
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+ status = "disabled";
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+ };
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+
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timer@01c20c00 {
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compatible = "allwinner,sun4i-timer";
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reg = <0x01c20c00 0x90>;
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