[DMARC error][DKIM error] [PATCH v5 2/2] arm64: dts: amlogic: Add Amlogic S4 PWM

George Stark gnstark at salutedevices.com
Tue May 21 15:17:54 PDT 2024


Hello Kelvin, Junyi

On 5/21/24 11:31, Kelvin Zhang via B4 Relay wrote:
> From: Junyi Zhao <junyi.zhao at amlogic.com>
> 
> Add device nodes for PWM_AB, PWM_CD, PWM_EF, PWM_GH and PWM_IJ
> along with GPIO PIN configs of each channel.
> 
> Signed-off-by: Junyi Zhao <junyi.zhao at amlogic.com>
> Signed-off-by: Kelvin Zhang <kelvin.zhang at amlogic.com>
> ---
>   arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 207 ++++++++++++++++++++++++++++++
>   1 file changed, 207 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> index 10896f9df682..d0c170368892 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> @@ -292,6 +292,168 @@ mux {
>   					};
>   				};
>   
...
> @@ -449,6 +611,51 @@ i2c4: i2c at 6e000 {
>   				status = "disabled";
>   			};
>   
> +			pwm_ab: pwm at 58000 {
> +				compatible = "amlogic,meson-s4-pwm";
> +				reg = <0x0 0x58000 0x0 0x24>;
> +				clocks = <&clkc_periphs CLKID_PWM_A>,
> +						<&clkc_periphs CLKID_PWM_B>;
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +
> +			pwm_cd: pwm at 5a000 {
> +				compatible = "amlogic,meson-s4-pwm";
> +				reg = <0x0 0x5a000 0x0 0x24>;
> +				clocks = <&clkc_periphs CLKID_PWM_C>,
> +						<&clkc_periphs CLKID_PWM_D>;
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +
> +			pwm_ef: pwm at 5c000 {
> +				compatible = "amlogic,meson-s4-pwm";
> +				reg = <0x0 0x5c000 0x0 0x24>;
> +				clocks = <&clkc_periphs CLKID_PWM_E>,
> +						<&clkc_periphs CLKID_PWM_F>;
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +
> +			pwm_gh: pwm at 5e000 {
> +				compatible = "amlogic,meson-s4-pwm";
> +				reg = <0x0 0x5e000 0x0 0x24>;
> +				clocks = <&clkc_periphs CLKID_PWM_G>,
> +						<&clkc_periphs CLKID_PWM_H>;
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +
> +			pwm_ij: pwm at 60000 {
> +				compatible = "amlogic,meson-s4-pwm";
> +				reg = <0x0 0x60000 0x0 0x24>;
> +				clocks = <&clkc_periphs CLKID_PWM_I>,
> +						<&clkc_periphs CLKID_PWM_J>;
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +
>   			nand: nand-controller at 8c800 {
>   				compatible = "amlogic,meson-axg-nfc";
>   				reg = <0x0 0x8c800 0x0 0x100>, <0x0 0x8c000 0x0 0x4>;
> 

Nodes on any bus, thus using unit addresses for children, shall be 
ordered by unit address in ascending order.

So the pwm_xx nodes should be placed between spicc0: spi at 50000 and
i2c0: i2c at 66000 nodes

-- 
Best regards
George



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