102 lines
2.6 KiB
Diff
102 lines
2.6 KiB
Diff
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From fc25cd03ca1c696dacb74d2006c0f176ce800566 Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Tue, 13 Dec 2016 15:15:10 -0800
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Subject: [PATCH] ARM: bcm2835: dt: Add the DSI module nodes and clocks.
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The modules stay disabled by default, and if you want to enable DSI
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you'll need an overlay that connects a panel to it.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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arch/arm/boot/dts/bcm2835-rpi.dtsi | 8 +++++++
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arch/arm/boot/dts/bcm283x.dtsi | 49 +++++++++++++++++++++++++++++++++++---
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2 files changed, 54 insertions(+), 3 deletions(-)
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--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
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+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
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@@ -84,3 +84,11 @@
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power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
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status = "okay";
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};
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+
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+&dsi0 {
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+ power-domains = <&power RPI_POWER_DOMAIN_DSI0>;
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+};
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+
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+&dsi1 {
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+ power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
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+};
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--- a/arch/arm/boot/dts/bcm283x.dtsi
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+++ b/arch/arm/boot/dts/bcm283x.dtsi
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@@ -93,10 +93,13 @@
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#clock-cells = <1>;
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reg = <0x7e101000 0x2000>;
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- /* CPRMAN derives everything from the platform's
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- * oscillator.
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+ /* CPRMAN derives almost everything from the
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+ * platform's oscillator. However, the DSI
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+ * pixel clocks come from the DSI analog PHY.
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*/
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- clocks = <&clk_osc>;
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+ clocks = <&clk_osc>,
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+ <&dsi0 0>, <&dsi0 1>, <&dsi0 2>,
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+ <&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
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};
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rng@7e104000 {
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@@ -188,6 +191,26 @@
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interrupts = <2 14>; /* pwa1 */
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};
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+ dsi0: dsi@7e209000 {
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+ compatible = "brcm,bcm2835-dsi0";
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+ reg = <0x7e209000 0x78>;
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+ interrupts = <2 4>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ #clock-cells = <1>;
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+
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+ clocks = <&clocks BCM2835_PLLA_DSI0>,
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+ <&clocks BCM2835_CLOCK_DSI0E>,
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+ <&clocks BCM2835_CLOCK_DSI0P>;
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+ clock-names = "phy", "escape", "pixel";
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+
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+ clock-output-names = "dsi0_byte",
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+ "dsi0_ddr2",
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+ "dsi0_ddr";
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+
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+ status = "disabled";
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+ };
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+
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aux: aux@0x7e215000 {
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compatible = "brcm,bcm2835-aux";
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#clock-cells = <1>;
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@@ -247,6 +270,26 @@
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interrupts = <2 1>;
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};
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+ dsi1: dsi@7e700000 {
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+ compatible = "brcm,bcm2835-dsi1";
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+ reg = <0x7e700000 0x8c>;
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+ interrupts = <2 12>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ #clock-cells = <1>;
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+
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+ clocks = <&clocks BCM2835_PLLD_DSI1>,
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+ <&clocks BCM2835_CLOCK_DSI1E>,
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+ <&clocks BCM2835_CLOCK_DSI1P>;
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+ clock-names = "phy", "escape", "pixel";
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+
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+ clock-output-names = "dsi1_byte",
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+ "dsi1_ddr2",
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+ "dsi1_ddr";
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+
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+ status = "disabled";
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+ };
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+
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i2c1: i2c@7e804000 {
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compatible = "brcm,bcm2835-i2c";
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reg = <0x7e804000 0x1000>;
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