[PATCH linux dev-4.10] aspeed-g5: add aspeed,ast2500-pwm-tacho.

[Joel Stanley]

On Fri, Jun 30, 2017 at 9:18 PM, Mykola Kostenok <c_mykolak at mellanox.com> wrote:
> Add aspeed,ast2500-pwm-tacho to dtsi.
> Enable aspeed,ast2500-pwm-tacho for msn.
>
> Signed-off-by: Mykola Kostenok <c_mykolak at mellanox.com>

Patrick, you're our pwm/tach expert. Can you please review this one?

Cheers,

Joel

> ---
>  arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts | 45 +++++++++++++++++++++++++++
>  arch/arm/boot/dts/aspeed-g5.dtsi              | 16 ++++++++++
>  2 files changed, 61 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts b/arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts
> index c71a6dbe1410..55d5dc15d136 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-mellanox-msn.dts
> @@ -144,3 +144,48 @@
>         status = "okay";
>  };
>
> +&pwm_tacho {
> +       status = "okay";
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_pwm0_default>;
> +
> +       fan at 0 {
> +               reg = <0x00>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x00>;
> +       };
> +
> +       fan at 1 {
> +               reg = <0x00>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x01>;
> +       };
> +
> +       fan at 2 {
> +               reg = <0x00>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x02>;
> +       };
> +
> +       fan at 3 {
> +               reg = <0x00>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x03>;
> +       };
> +
> +       fan at 4 {
> +               reg = <0x00>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x04>;
> +       };
> +
> +       fan at 5 {
> +               reg = <0x00>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x05>;
> +       };
> +
> +       fan at 6 {
> +               reg = <0x00>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x06>;
> +       };
> +
> +       fan at 7 {
> +               reg = <0x00>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x07>;
> +       };
> +};
> diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
> index 992242d3b22e..01c86bb71932 100644
> --- a/arch/arm/boot/dts/aspeed-g5.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g5.dtsi
> @@ -35,6 +35,14 @@
>                 i2c13 = &i2c13;
>         };
>
> +       clocks {
> +               pwm_tacho_fixed_clk: fixedclk {
> +                       compatible = "fixed-clock";
> +                       #clock-cells = <0>;
> +                       clock-frequency = <24000000>;
> +               };
> +       };
> +
>         ahb {
>                 compatible = "simple-bus";
>                 #address-cells = <1>;
> @@ -366,6 +374,14 @@
>                                 #size-cells = <1>;
>                                 ranges = <0 0x1e78a000 0x1000>;
>                         };
> +                       pwm_tacho: pwm-tacho-controller at 1e786000 {
> +                               compatible = "aspeed,ast2500-pwm-tacho";
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <0x1e786000 0x1000>;
> +                               clocks = <&pwm_tacho_fixed_clk>;
> +                               status = "disabled";
> +                       };
>                 };
>         };
>  };
> --
> 2.11.0
>