* [PATCH v6 1/2] dt-bindings: pwm: samsung: add exynosautov9 compatible
2023-07-18 6:21 ` [PATCH v6 0/2] support PWM for exynosautov9 Jaewon Kim
@ 2023-07-18 6:21 ` Jaewon Kim
2023-07-20 15:57 ` Thierry Reding
2023-07-18 6:22 ` [PATCH v6 2/2] arm64: dts: exynos: add pwm node for exynosautov9-sadk Jaewon Kim
2023-07-19 7:36 ` [PATCH v6 0/2] support PWM for exynosautov9 Krzysztof Kozlowski
2 siblings, 1 reply; 6+ messages in thread
From: Jaewon Kim @ 2023-07-18 6:21 UTC (permalink / raw)
To: Thierry Reding, Uwe Kleine-König, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Alim Akhtar
Cc: linux-pwm, devicetree, linux-kernel, linux-arm-kernel,
linux-samsung-soc, Jaewon Kim
Add samsung,exynosautov9-pwm compatible string to binding document.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
.../devicetree/bindings/pwm/pwm-samsung.yaml | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
index fe603fb1b2cc..2162f661ed5a 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
@@ -20,12 +20,17 @@ description: |+
properties:
compatible:
- enum:
- - samsung,s3c2410-pwm # 16-bit, S3C24xx
- - samsung,s3c6400-pwm # 32-bit, S3C64xx
- - samsung,s5p6440-pwm # 32-bit, S5P64x0
- - samsung,s5pc100-pwm # 32-bit, S5PC100, S5PV210, Exynos4210 rev0 SoCs
- - samsung,exynos4210-pwm # 32-bit, Exynos
+ oneOf:
+ - enum:
+ - samsung,s3c2410-pwm # 16-bit, S3C24xx
+ - samsung,s3c6400-pwm # 32-bit, S3C64xx
+ - samsung,s5p6440-pwm # 32-bit, S5P64x0
+ - samsung,s5pc100-pwm # 32-bit, S5PC100, S5PV210, Exynos4210 rev0 SoCs
+ - samsung,exynos4210-pwm # 32-bit, Exynos
+ - items:
+ - enum:
+ - samsung,exynosautov9-pwm
+ - const: samsung,exynos4210-pwm
reg:
maxItems: 1
--
2.17.1
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^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v6 2/2] arm64: dts: exynos: add pwm node for exynosautov9-sadk
2023-07-18 6:21 ` [PATCH v6 0/2] support PWM for exynosautov9 Jaewon Kim
2023-07-18 6:21 ` [PATCH v6 1/2] dt-bindings: pwm: samsung: add exynosautov9 compatible Jaewon Kim
@ 2023-07-18 6:22 ` Jaewon Kim
2023-07-19 7:36 ` [PATCH v6 0/2] support PWM for exynosautov9 Krzysztof Kozlowski
2 siblings, 0 replies; 6+ messages in thread
From: Jaewon Kim @ 2023-07-18 6:22 UTC (permalink / raw)
To: Thierry Reding, Uwe Kleine-König, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Alim Akhtar
Cc: linux-pwm, devicetree, linux-kernel, linux-arm-kernel,
linux-samsung-soc, Jaewon Kim
Add pwm node to support fan on exynosautov9-sadk board.
PWM channel 3 of ExynosAutov9 is connected to fan for SoC cooling
in SADK board.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
---
arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts | 6 ++++++
arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 11 +++++++++++
2 files changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
index 101f51bf565a..bc1815f6ada2 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
+++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
@@ -49,6 +49,12 @@
};
};
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_tout3>;
+ status = "okay";
+};
+
&serial_0 {
pinctrl-0 = <&uart0_bus_dual>;
status = "okay";
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
index d3c5cdeff47f..16669b0443fa 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
@@ -1560,6 +1560,17 @@
samsung,syscon-phandle = <&pmu_system_controller>;
samsung,cluster-index = <1>;
};
+
+ pwm: pwm@103f0000 {
+ compatible = "samsung,exynosautov9-pwm",
+ "samsung,exynos4210-pwm";
+ reg = <0x103f0000 0x100>;
+ samsung,pwm-outputs = <0>, <1>, <2>, <3>;
+ #pwm-cells = <3>;
+ clocks = <&xtcxo>;
+ clock-names = "timers";
+ status = "disabled";
+ };
};
};
--
2.17.1
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^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [PATCH v6 0/2] support PWM for exynosautov9
2023-07-18 6:21 ` [PATCH v6 0/2] support PWM for exynosautov9 Jaewon Kim
2023-07-18 6:21 ` [PATCH v6 1/2] dt-bindings: pwm: samsung: add exynosautov9 compatible Jaewon Kim
2023-07-18 6:22 ` [PATCH v6 2/2] arm64: dts: exynos: add pwm node for exynosautov9-sadk Jaewon Kim
@ 2023-07-19 7:36 ` Krzysztof Kozlowski
2 siblings, 0 replies; 6+ messages in thread
From: Krzysztof Kozlowski @ 2023-07-19 7:36 UTC (permalink / raw)
To: Thierry Reding, Uwe Kleine-König, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Alim Akhtar, Jaewon Kim
Cc: Krzysztof Kozlowski, linux-pwm, devicetree, linux-kernel,
linux-arm-kernel, linux-samsung-soc
On Tue, 18 Jul 2023 15:21:58 +0900, Jaewon Kim wrote:
> Add pwm nodes to support PWM fan on exynosautov9-sadk board.
>
Applied, thanks!
[1/2] dt-bindings: pwm: samsung: add exynosautov9 compatible
https://git.kernel.org/krzk/linux/c/8188b984dea9df7bfa128fc6f8ec0b01edff2d43
[2/2] arm64: dts: exynos: add pwm node for exynosautov9-sadk
https://git.kernel.org/krzk/linux/c/74641f4a79af8dd3138a7e9a0ec352fdca5d7aba
Best regards,
--
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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^ permalink raw reply [flat|nested] 6+ messages in thread