linux-kernel - Re: [PATCH v2] ARM: dts: stm32: add a new DCMI pins group

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Date:   Thu, 10 Jun 2021 15:35:40 +0200
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     Grzegorz Szymaszek <gszymaszek@...rt.pl>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Ahmad Fatoum <a.fatoum@...gutronix.de>,
        Marcin Sloniewski <marcin.sloniewski@...il.com>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [PATCH v2] ARM: dts: stm32: add a new DCMI pins group

Hi

On 6/3/21 5:34 PM, Grzegorz Szymaszek wrote:
> The Seeed Odyssey-STM32MP157C board has a 20-pin DVP camera output.
> stm32mp15-pinctrl.dtsi contained one pin state definition for the DCMI
> interface, dcmi-0, AKA phandle dcmi_pins_a. This definition was
> incompatible with the pins used on the Odyssey board, where:
> - there are 8 data pins instead of 12,
> - DCMI_HSYNC is available at PA4 instead of PH8,
> - DCMI_D0 is at PC6 instead of PH9,
> - DCMI_D3 is at PE1 instead of PH12,
> - DCMI_D4 is at PE11 instead of PH14,
> - DCMI_D5 is at PD3 instead of PI4,
> - DCMI_D6 is at PE13 instead of PB8,
> - DCMI_D7 is at PB9 instead of PE6.
> 
> Add the DCMI pins used on the Odyssey board as a new DCMI pin state
> definition, dcmi-1, AKA phandle dcmi_pins_b.
> 
> Signed-off-by: Grzegorz Szymaszek <gszymaszek@...rt.pl>
> ---
> V1 -> V2: Removed the pinctrl override from the Odyssey device tree,
> added a new pinctrl in stm32mp15-pinctrl.dtsi instead
> 
>   arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 33 ++++++++++++++++++++++++
>   1 file changed, 33 insertions(+)
> 

Applied on stm32-next. I just updated the commit title by
"ARM: dts: stm32: add a new DCMI pins group on stm32mp15"

Thanks.
Alex


> diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> index 060baa8b7e9d..5b60ecbd718f 100644
> --- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
> @@ -118,6 +118,39 @@ pins {
>   		};
>   	};
>   
> +	dcmi_pins_b: dcmi-1 {
> +		pins {
> +			pinmux = <STM32_PINMUX('A', 4,  AF13)>,/* DCMI_HSYNC */
> +				 <STM32_PINMUX('B', 7,  AF13)>,/* DCMI_VSYNC */
> +				 <STM32_PINMUX('A', 6,  AF13)>,/* DCMI_PIXCLK */
> +				 <STM32_PINMUX('C', 6,  AF13)>,/* DCMI_D0 */
> +				 <STM32_PINMUX('H', 10, AF13)>,/* DCMI_D1 */
> +				 <STM32_PINMUX('H', 11, AF13)>,/* DCMI_D2 */
> +				 <STM32_PINMUX('E', 1,  AF13)>,/* DCMI_D3 */
> +				 <STM32_PINMUX('E', 11, AF13)>,/* DCMI_D4 */
> +				 <STM32_PINMUX('D', 3,  AF13)>,/* DCMI_D5 */
> +				 <STM32_PINMUX('E', 13, AF13)>,/* DCMI_D6 */
> +				 <STM32_PINMUX('B', 9,  AF13)>;/* DCMI_D7 */
> +			bias-disable;
> +		};
> +	};
> +
> +	dcmi_sleep_pins_b: dcmi-sleep-1 {
> +		pins {
> +			pinmux = <STM32_PINMUX('A', 4,  ANALOG)>,/* DCMI_HSYNC */
> +				 <STM32_PINMUX('B', 7,  ANALOG)>,/* DCMI_VSYNC */
> +				 <STM32_PINMUX('A', 6,  ANALOG)>,/* DCMI_PIXCLK */
> +				 <STM32_PINMUX('C', 6,  ANALOG)>,/* DCMI_D0 */
> +				 <STM32_PINMUX('H', 10, ANALOG)>,/* DCMI_D1 */
> +				 <STM32_PINMUX('H', 11, ANALOG)>,/* DCMI_D2 */
> +				 <STM32_PINMUX('E', 1,  ANALOG)>,/* DCMI_D3 */
> +				 <STM32_PINMUX('E', 11, ANALOG)>,/* DCMI_D4 */
> +				 <STM32_PINMUX('D', 3,  ANALOG)>,/* DCMI_D5 */
> +				 <STM32_PINMUX('E', 13, ANALOG)>,/* DCMI_D6 */
> +				 <STM32_PINMUX('B', 9,  ANALOG)>;/* DCMI_D7 */
> +		};
> +	};
> +
>   	ethernet0_rgmii_pins_a: rgmii-0 {
>   		pins1 {
>   			pinmux = <STM32_PINMUX('G', 5, AF11)>, /* ETH_RGMII_CLK125 */
>