linux-kernel - Re: [PATCH] ARM: dts: stm32: Add LPtimer support to stm32mp157c

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Date:   Wed, 2 May 2018 14:09:58 +0200
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Fabrice Gasnier <fabrice.gasnier@...com>, <robh+dt@...nel.org>
CC:     <mcoquelin.stm32@...il.com>, <mark.rutland@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: stm32: Add LPtimer support to stm32mp157c

Hi Fabrice

On 04/18/2018 09:43 AM, Fabrice Gasnier wrote:
> Add LPtimer definitions, depending on features they provide:
> - lptimer1 & 2 can act as PWM, trigger and encoder/counter
> - lptimer3 can act as PWM and trigger
> - lptimer4 & 5 can act as PWM
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
> ---

Applied on stm32-next.

I fixed out DTC warning:

/soc/timer@...23000: unnecessary #address-cells/#size-cells without 
"ranges" or child "reg" property
/soc/timer@...24000: unnecessary #address-cells/#size-cells without 
"ranges" or child "reg" property

Thanks.
Alex



>   arch/arm/boot/dts/stm32mp157c.dtsi | 108 +++++++++++++++++++++++++++++++++++++
>   1 file changed, 108 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
> index bc3eddc..7e6301c 100644
> --- a/arch/arm/boot/dts/stm32mp157c.dtsi
> +++ b/arch/arm/boot/dts/stm32mp157c.dtsi
> @@ -104,6 +104,33 @@
>   		interrupt-parent = <&intc>;
>   		ranges;
>   
> +		lptimer1: timer@...09000 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			compatible = "st,stm32-lptimer";
> +			reg = <0x40009000 0x400>;
> +			clocks = <&rcc LPTIM1_K>;
> +			clock-names = "mux";
> +			status = "disabled";
> +
> +			pwm {
> +				compatible = "st,stm32-pwm-lp";
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +
> +			trigger@0 {
> +				compatible = "st,stm32-lptimer-trigger";
> +				reg = <0>;
> +				status = "disabled";
> +			};
> +
> +			counter {
> +				compatible = "st,stm32-lptimer-counter";
> +				status = "disabled";
> +			};
> +		};
> +
>   		usart2: serial@...0e000 {
>   			compatible = "st,stm32h7-uart";
>   			reg = <0x4000e000 0x400>;
> @@ -167,6 +194,87 @@
>   			#reset-cells = <1>;
>   		};
>   
> +		lptimer2: timer@...21000 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			compatible = "st,stm32-lptimer";
> +			reg = <0x50021000 0x400>;
> +			clocks = <&rcc LPTIM2_K>;
> +			clock-names = "mux";
> +			status = "disabled";
> +
> +			pwm {
> +				compatible = "st,stm32-pwm-lp";
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +
> +			trigger@1 {
> +				compatible = "st,stm32-lptimer-trigger";
> +				reg = <1>;
> +				status = "disabled";
> +			};
> +
> +			counter {
> +				compatible = "st,stm32-lptimer-counter";
> +				status = "disabled";
> +			};
> +		};
> +
> +		lptimer3: timer@...22000 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			compatible = "st,stm32-lptimer";
> +			reg = <0x50022000 0x400>;
> +			clocks = <&rcc LPTIM3_K>;
> +			clock-names = "mux";
> +			status = "disabled";
> +
> +			pwm {
> +				compatible = "st,stm32-pwm-lp";
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +
> +			trigger@2 {
> +				compatible = "st,stm32-lptimer-trigger";
> +				reg = <2>;
> +				status = "disabled";
> +			};
> +		};
> +
> +		lptimer4: timer@...23000 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			compatible = "st,stm32-lptimer";
> +			reg = <0x50023000 0x400>;
> +			clocks = <&rcc LPTIM4_K>;
> +			clock-names = "mux";
> +			status = "disabled";
> +
> +			pwm {
> +				compatible = "st,stm32-pwm-lp";
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +		};
> +
> +		lptimer5: timer@...24000 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			compatible = "st,stm32-lptimer";
> +			reg = <0x50024000 0x400>;
> +			clocks = <&rcc LPTIM5_K>;
> +			clock-names = "mux";
> +			status = "disabled";
> +
> +			pwm {
> +				compatible = "st,stm32-pwm-lp";
> +				#pwm-cells = <3>;
> +				status = "disabled";
> +			};
> +		};
> +
>   		usart1: serial@...00000 {
>   			compatible = "st,stm32h7-uart";
>   			reg = <0x5c000000 0x400>;
>