* [PATCH 09/11] ARM: nomadik: add I2C devices to the device tree
@ 2013-01-07 22:56 Linus Walleij
2013-01-08 10:12 ` Mark Rutland
0 siblings, 1 reply; 2+ messages in thread
From: Linus Walleij @ 2013-01-07 22:56 UTC (permalink / raw)
To: linux-arm-kernel
This adds the GPIO-based I2C devices to the Nomadik device tree.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
arch/arm/boot/dts/ste-nomadik-stn8815.dtsi | 52 ++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index 1a12f10..58d6b6a 100644
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -134,6 +134,58 @@
};
};
+ /* I2C0 connected to the STw4811 power management chip */
+ i2c0 {
+ compatible = "i2c-gpio";
+ gpios = <&gpio1 31 0 /* sda */
+ &gpio1 30 0 /* scl */
+ >;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ stw4811 at 2d {
+ compatible = "st,stw4811";
+ reg = <0x2d>;
+ };
+ };
+
+ /* I2C1 connected to various sensors */
+ i2c1 {
+ compatible = "i2c-gpio";
+ gpios = <&gpio1 22 0 /* sda */
+ &gpio1 21 0 /* scl */
+ >;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ camera at 2d {
+ compatible = "st,camera";
+ reg = <0x10>;
+ };
+ stw5095 at 1a {
+ compatible = "st,stw5095";
+ reg = <0x1a>;
+ };
+ lis3lv02dl at 1d {
+ compatible = "st,lis3lv02dl";
+ reg = <0x1d>;
+ };
+ };
+
+ /* I2C2 connected to the USB portions of the STw4811 only */
+ i2c2 {
+ compatible = "i2c-gpio";
+ gpios = <&gpio2 10 0 /* sda */
+ &gpio2 9 0 /* scl */
+ >;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ stw4811 at 2d {
+ compatible = "st,stw4811-usb";
+ reg = <0x2d>;
+ };
+ };
+
amba {
compatible = "arm,amba-bus";
#address-cells = <1>;
--
1.7.11.7
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH 09/11] ARM: nomadik: add I2C devices to the device tree
2013-01-07 22:56 [PATCH 09/11] ARM: nomadik: add I2C devices to the device tree Linus Walleij
@ 2013-01-08 10:12 ` Mark Rutland
0 siblings, 0 replies; 2+ messages in thread
From: Mark Rutland @ 2013-01-08 10:12 UTC (permalink / raw)
To: linux-arm-kernel
On Mon, Jan 07, 2013 at 10:56:51PM +0000, Linus Walleij wrote:
> This adds the GPIO-based I2C devices to the Nomadik device tree.
>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> arch/arm/boot/dts/ste-nomadik-stn8815.dtsi | 52 ++++++++++++++++++++++++++++++
> 1 file changed, 52 insertions(+)
>
> diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
> index 1a12f10..58d6b6a 100644
> --- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
> +++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
> @@ -134,6 +134,58 @@
> };
> };
>
> + /* I2C0 connected to the STw4811 power management chip */
> + i2c0 {
> + compatible = "i2c-gpio";
> + gpios = <&gpio1 31 0 /* sda */
> + &gpio1 30 0 /* scl */
> + >;
Similarly to my previous comments, I think it'd be good to do individual
bracketing:
gpios = <&gpio1 31 0>, /* sda */
<&gpio1 30 0>; /* scl */
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + stw4811 at 2d {
> + compatible = "st,stw4811";
> + reg = <0x2d>;
> + };
> + };
> +
> + /* I2C1 connected to various sensors */
> + i2c1 {
> + compatible = "i2c-gpio";
> + gpios = <&gpio1 22 0 /* sda */
> + &gpio1 21 0 /* scl */
> + >;
And here.
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + camera at 2d {
> + compatible = "st,camera";
> + reg = <0x10>;
> + };
> + stw5095 at 1a {
> + compatible = "st,stw5095";
> + reg = <0x1a>;
> + };
> + lis3lv02dl at 1d {
> + compatible = "st,lis3lv02dl";
> + reg = <0x1d>;
> + };
> + };
> +
> + /* I2C2 connected to the USB portions of the STw4811 only */
> + i2c2 {
> + compatible = "i2c-gpio";
> + gpios = <&gpio2 10 0 /* sda */
> + &gpio2 9 0 /* scl */
> + >;
And here too.
> + #address-cells = <1>;
> + #size-cells = <0>;
> + stw4811 at 2d {
> + compatible = "st,stw4811-usb";
> + reg = <0x2d>;
> + };
> + };
> +
> amba {
> compatible = "arm,amba-bus";
> #address-cells = <1>;
> --
> 1.7.11.7
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
Thanks,
Mark.
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