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Wed, 09 Dec 2020 04:03:24 -0800 (PST) From: Fabien Parent To: Rob Herring , Matthias Brugger Subject: [PATCH v2 1/2] arm64: dts: mediatek: mt8183: add pwm node Date: Wed, 9 Dec 2020 13:03:20 +0100 Message-Id: <20201209120322.137610-1-fparent@baylibre.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201209_070327_997878_709DC415 X-CRM114-Status: GOOD ( 11.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fabien Parent , linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org MT8183 SoC has 4 PWMs. Add the pwm node in order to support them. Signed-off-by: Fabien Parent --- V2: rename pwm0 to pwm1 since disp-pwm has been merged in v5.11 as pwm0 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi index 5b782a4769e7..a0004bd9f9c2 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi @@ -667,6 +667,20 @@ pwm0: pwm@1100e000 { clock-names = "main", "mm"; }; + pwm1: pwm@11006000 { + compatible = "mediatek,mt8183-pwm"; + reg = <0 0x11006000 0 0x1000>; + #pwm-cells = <2>; + clocks = <&infracfg CLK_INFRA_PWM>, + <&infracfg CLK_INFRA_PWM_HCLK>, + <&infracfg CLK_INFRA_PWM1>, + <&infracfg CLK_INFRA_PWM2>, + <&infracfg CLK_INFRA_PWM3>, + <&infracfg CLK_INFRA_PWM4>; + clock-names = "top", "main", "pwm1", "pwm2", "pwm3", + "pwm4"; + }; + i2c3: i2c@1100f000 { compatible = "mediatek,mt8183-i2c"; reg = <0 0x1100f000 0 0x1000>, From patchwork Wed Dec 9 12:03:21 2020 Content-Type: text/plain; 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Wed, 09 Dec 2020 04:03:26 -0800 (PST) From: Fabien Parent To: Rob Herring , Matthias Brugger Subject: [PATCH v2 2/2] arm64: dts: mediatek: mt8183-evb: add PWM support Date: Wed, 9 Dec 2020 13:03:21 +0100 Message-Id: <20201209120322.137610-2-fparent@baylibre.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201209120322.137610-1-fparent@baylibre.com> References: <20201209120322.137610-1-fparent@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201209_070328_619442_DF2AF055 X-CRM114-Status: GOOD ( 13.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fabien Parent , linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Enable the pwm driver and set the pinctrl for PWM A line. Signed-off-by: Fabien Parent --- V2: * rename pwm0 to pwm1 since disp-pwm has been merged in v5.11 as pwm0 * rename the pio node and labels to match the coding standard of this dts arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts index cba2d8933e79..3249c959f76f 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts @@ -344,6 +344,12 @@ pins_spi{ bias-disable; }; }; + + pwm_pins_1: pwm1 { + pins_pwm { + pinmux = ; + }; + }; }; &spi0 { @@ -392,3 +398,9 @@ &spi5 { &uart0 { status = "okay"; }; + +&pwm1 { + status = "okay"; + pinctrl-0 = <&pwm_pins_1>; + pinctrl-names = "default"; +};