[PATCH] arm64: dts: rockchip: set correct pwm0 pinctrl on rk3588-tiger

Quentin Schulz quentin.schulz at cherry.de
Tue Jun 4 01:45:19 PDT 2024


Hi Heiko,

On 6/3/24 9:22 PM, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner at cherry.de>
> 
> PWM0 on rk3588-tiger is connected to the BLT_CTRL pin of the Q7 connector
> meant as the name implies to control a backlight device.
> 

If not used for backlight, it can be used as a General Purpose PWM 
Output according to the Qseven standard as well.

> Therefore set the correct M1 pinctrl variant for it. The M0 variant
> cannot ever be used because that pin is routed to a connector pin on the
> Q7 connector that is reserved for CAN use and the pin reachable by the M2
> variant is reserved for the embedded MCU on the SoM.
> 
> Fixes: 6173ef24b35b ("arm64: dts: rockchip: add RK3588-Q7 (Tiger) SoM")
> Signed-off-by: Heiko Stuebner <heiko.stuebner at cherry.de>

Reviewed-by: Quentin Schulz <quentin.schulz at cherry.de>

Thanks!
Quentin



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