linux-kernel - [PATCH V3 03/14] ARM64: dts: imx8mp-evk: add pwm support

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Message-Id: <20221108021820.1854971-4-peng.fan@oss.nxp.com>
Date:   Tue,  8 Nov 2022 10:18:09 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Clark Wang <xiaoning.wang@....com>,
        Fugang Duan <fugang.duan@....com>, Peng Fan <peng.fan@....com>,
        Marco Felsch <m.felsch@...gutronix.de>
Subject: [PATCH V3 03/14] ARM64: dts: imx8mp-evk: add pwm support

From: Clark Wang <xiaoning.wang@....com>

Enable pwm1/2/4 support.
Enable pwm1 on pin GPIO1_IO01 for DSI_BL_PWM
       pwm2 on pin GPIO1_IO11 for LVDS_BL_PWM
       pwm4 on pin SAI5_RXFS for J21-32

Acked-by: Fugang Duan <fugang.duan@....com>
Signed-off-by: Clark Wang <xiaoning.wang@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
Reviewed-by: Marco Felsch <m.felsch@...gutronix.de>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 36 ++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index b4c1ef2559f2..e323e6f4b7e5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -390,6 +390,24 @@ &pcie {
 	status = "okay";
 };
 
+&pwm1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm1>;
+	status = "okay";
+};
+
+&pwm2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm2>;
+	status = "okay";
+};
+
+&pwm4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm4>;
+	status = "okay";
+};
+
 &snvs_pwrkey {
 	status = "okay";
 };
@@ -567,6 +585,24 @@ MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12	0x146 /* Input pull-up. */
 		>;
 	};
 
+	pinctrl_pwm1: pwm1grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO01__PWM1_OUT	0x116
+		>;
+	};
+
+	pinctrl_pwm2: pwm2grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO11__PWM2_OUT	0x116
+		>;
+	};
+
+	pinctrl_pwm4: pwm4grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI5_RXFS__PWM4_OUT	0x116
+		>;
+	};
+
 	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
 		fsl,pins = <
 			MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19	0x40
-- 
2.37.1