[PATCH v2 6/7] ARM: bcm2835: Add the DDC I2C controller to the device tree.
Eric Anholt
eric at anholt.net
Tue Aug 18 14:54:07 PDT 2015
We need to use it for getting video modes over HDMI.
Signed-off-by: Eric Anholt <eric at anholt.net>
---
v2: Mark it as disabled by default, and enable it in bcm2835-rpi.
arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 ++++
arch/arm/boot/dts/bcm2835.dtsi | 10 ++++++++++
2 files changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index 46780bb..29cc7ba 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -45,6 +45,10 @@
clock-frequency = <100000>;
};
+&i2c2 {
+ status = "okay";
+};
+
&sdhci {
status = "okay";
bus-width = <4>;
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 301c73f..20574cc 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -149,6 +149,16 @@
status = "disabled";
};
+ i2c2: i2c at 7e805000 {
+ compatible = "brcm,bcm2835-i2c";
+ reg = <0x7e805000 0x1000>;
+ interrupts = <2 21>;
+ clocks = <&clk_i2c>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
usb at 7e980000 {
compatible = "brcm,bcm2835-usb";
reg = <0x7e980000 0x10000>;
--
2.1.4
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