Re: [PATCH] arm64: dts: rockchip: Fix broken tsadc pinctrl binding for rk3588

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Hello Alexander,

On 2025-01-24 06:26, Alexander Shiyan wrote:
There is no pinctrl "gpio" and "otpout" (probably designed as "output")
handling in the tsadc driver.
Let's use proper binding "default" and "sleep".

Fixes: 32641b8ab1a5 ("arm64: dts: rockchip: add rk3588 thermal sensor")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Alexander Shiyan <eagle.alexander923@xxxxxxxxx>
---
 arch/arm64/boot/dts/rockchip/rk3588-base.dtsi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
index a337f3fb8377..f141065eb69d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-base.dtsi
@@ -2667,9 +2667,9 @@ tsadc: tsadc@fec00000 {
 		rockchip,hw-tshut-temp = <120000>;
 		rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
 		rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
-		pinctrl-0 = <&tsadc_gpio_func>;
-		pinctrl-1 = <&tsadc_shut>;
-		pinctrl-names = "gpio", "otpout";
+		pinctrl-0 = <&tsadc_shut>;
+		pinctrl-1 = <&tsadc_gpio_func>;
+		pinctrl-names = "default", "sleep";
 		#thermal-sensor-cells = <1>;
 		status = "disabled";
 	};

Thanks for the patch, it's looking good to me.  The old values
for the pinctrl names are leftovers back from the import of the
downstream kernel code, while the new values follow the expected
pinctrl naming scheme.  The resulting behavior follows, almost
entirely, the behavior found in the downstream kernel code.

Actually, there's some rather critical discrepancy between the
upstream TSADC driver and it's downstream cousin, as already
described in earlier responses from Alexey and me.  However,
those issues have to be addressed in a separate patch, while
this patch, to me, remains fine on its own.

My only suggestions would be to adjust both the patch summary
and the description not to use word "binding", because that
technically isn't fixed here, but to use "pinctrl names" instead.
Also, please note that the downstream kernel uses "otpout" as
a pinctrl name, [1] so the assumption about "output" in the
patch description should be removed.

With the suggestions from above addressed in the v2, please feel
free to include my

Reviewed-by: Dragan Simic <dsimic@xxxxxxxxxxx>

[1] https://raw.githubusercontent.com/rockchip-linux/kernel/refs/heads/develop-5.10/drivers/thermal/rockchip_thermal.c




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