Am 18.02.2015 um 11:07 schrieb Lukasz Majewski:
> From: Kamil Debski <[email protected]>
>
> Add pwm-fan node to the Odroid-U3 board file to enable PWM control of the
> cooling fan. In addition, add the "pwm" label to the pwm@139D0000 node
> in the exynos4412.dtsi.
>
> Signed-off-by: Kamil Debski <[email protected]>
> [Rebased on the newest mainline by [email protected]]
You need to sign off patches you submit.
> ---
> Changes since v1:
> - added pwm label to the pwm@139D0000 node in exynos4.dtsi
> - use the pwm label in the exynos4412-odroidu3.dts
> - change order or properties in the pwn-fan node, to be sorted
> in alphabetical order
>
> ---
> arch/arm/boot/dts/exynos4.dtsi | 2 +-
> arch/arm/boot/dts/exynos4412-odroidu3.dts | 13 +++++++++++++
> 2 files changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
> index f18d746..75266e3 100644
> --- a/arch/arm/boot/dts/exynos4.dtsi
> +++ b/arch/arm/boot/dts/exynos4.dtsi
> @@ -582,7 +582,7 @@
> status = "disabled";
> };
>
> - pwm@139D0000 {
> + pwm: pwm@139D0000 {
> compatible = "samsung,exynos4210-pwm";
> reg = <0x139D0000 0x1000>;
> interrupts = <0 37 0>, <0 38 0>, <0 39 0>, <0 40 0>, <0 41 0>;
> diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts
> b/arch/arm/boot/dts/exynos4412-odroidu3.dts
> index c8a64be..60bd1e4 100644
> --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
> +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
> @@ -31,6 +31,19 @@
> linux,default-trigger = "heartbeat";
> };
> };
> +
> + pwm-fan {
> + compatible = "pwm-fan";
> + pwms = <&pwm 0 10000 0>;
> + status = "okay";
Status "okay" is only needed for pre-existing nodes that would have
status "disabled" otherwise, such as below. Just drop it here.
Regards,
Andreas
> + };
> +};
> +
> +&pwm {
> + pinctrl-0 = <&pwm0_out>;
> + pinctrl-names = "default";
> + samsung,pwm-outputs = <0>;
> + status = "okay";
> };
>
> &usb3503 {
>
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