Re: [v3,1/2] dt-bindings: hwmon: aspeed-pwm-tacho: Add reset node
From: Guenter Roeck
Date: Tue Dec 26 2017 - 12:24:33 EST
On Sat, Dec 23, 2017 at 11:35:27PM +1030, Joel wrote:
> The device tree bindings are updated to document the resets phandle, and
> the example is updated to match what is expected for both the reset and
> clock phandle.
>
> Note that the bindings should have always had the reset controller, as
> the hardware is unusable without it.
>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
> Signed-off-by: Joel Stanley <joel@xxxxxxxxx>
Applied to hwmon-next.
Thanks,
Guenter
> ---
> .../devicetree/bindings/hwmon/aspeed-pwm-tacho.txt | 14 +++++---------
> 1 file changed, 5 insertions(+), 9 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt b/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt
> index 367c8203213b..3ac02988a1a5 100644
> --- a/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt
> +++ b/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt
> @@ -22,8 +22,9 @@ Required properties for pwm-tacho node:
> - compatible : should be "aspeed,ast2400-pwm-tacho" for AST2400 and
> "aspeed,ast2500-pwm-tacho" for AST2500.
>
> -- clocks : a fixed clock providing input clock frequency(PWM
> - and Fan Tach clock)
> +- clocks : phandle to clock provider with the clock number in the second cell
> +
> +- resets : phandle to reset controller with the reset number in the second cell
>
> fan subnode format:
> ===================
> @@ -48,19 +49,14 @@ Required properties for each child node:
>
> Examples:
>
> -pwm_tacho_fixed_clk: fixedclk {
> - compatible = "fixed-clock";
> - #clock-cells = <0>;
> - clock-frequency = <24000000>;
> -};
> -
> pwm_tacho: pwmtachocontroller@1e786000 {
> #address-cells = <1>;
> #size-cells = <1>;
> #cooling-cells = <2>;
> reg = <0x1E786000 0x1000>;
> compatible = "aspeed,ast2500-pwm-tacho";
> - clocks = <&pwm_tacho_fixed_clk>;
> + clocks = <&syscon ASPEED_CLK_APB>;
> + resets = <&syscon ASPEED_RESET_PWM>;
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_pwm1_default>;
>