board: pinctrl: board config for RT1060

enable pin control for RT1060 EVK.

Signed-off-by: Hake Huang <[email protected]>
Signed-off-by: Daniel DeGrasse <[email protected]>

Author: hakehuang

boards/arm/mimxrt1060_evk/mimxrt1060_evk-pinctrl.dtsi

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2022, NXP
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Generated by rt_cfg_utils.py on 2022-03-02
+ */
+
+#include <nxp/nxp_imx/rt/mimxrt1062-iomuxc.dtsi>
+
+&pinctrl {
+	lpuart1_default: lpuart1_default {
+		group0 {
+			pinmux = <&iomuxc_gpio_ad_b0_12_lpuart1_tx
+				&iomuxc_gpio_ad_b0_13_lpuart1_rx>;
+			drive-strength = "r0-6";
+			slew-rate = "slow";
+			nxp,speed = "100-mhz";
+		};
+	};
+
+	lpuart1_sleep: pinmux_lpuart1_sleep {
+		group0 {
+			pinmux = <&iomuxc_gpio_ad_b0_13_gpio1_io13>;
+			bias-disable;
+			drive-strength = "r0";
+			bias-pull-up;
+			bias-pull-up-value = "100k";
+			slew-rate = "slow";
+			nxp,speed = "50-mhz";
+		};
+		group1 {
+			pinmux = <&iomuxc_gpio_ad_b0_12_lpuart1_tx>;
+			drive-strength = "r0-6";
+			slew-rate = "slow";
+			nxp,speed = "100-mhz";
+		};
+	};
+
+	sai1_default: sai1_default {
+		group0 {
+			pinmux = <&iomuxc_gpio_ad_b1_09_sai1_mclk
+				&iomuxc_gpio_ad_b1_13_sai1_tx_data00
+				&iomuxc_gpio_ad_b1_12_sai1_rx_data00
+				&iomuxc_gpio_ad_b1_14_sai1_tx_bclk
+				&iomuxc_gpio_ad_b1_15_sai1_tx_sync>;
+			drive-strength = "r0-6";
+			slew-rate = "slow";
+			nxp,speed = "100-mhz";
+			input-enable;
+		};
+	};
+
+};

boards/arm/mimxrt1060_evk/mimxrt1060_evk.dts

@@ -7,6 +7,7 @@
 /dts-v1/;
 
 #include <nxp/nxp_rt1060.dtsi>
+#include "mimxrt1060_evk-pinctrl.dtsi"
 
 / {
 	model = "NXP MIMXRT1060-EVK board";
@@ -175,6 +176,9 @@ arduino_serial: &lpuart3 {};
 &lpuart1 {
 	status = "okay";
 	current-speed = <115200>;
+	pinctrl-0 = <&lpuart1_default>;
+	pinctrl-1 = <&lpuart1_sleep>;
+	pinctrl-names = "default", "sleep";
 };
 
 &enet {
@@ -229,6 +233,8 @@ zephyr_udc0: &usb1 {
 
 &sai1 {
 	status = "okay";
+	pinctrl-0 = <&sai1_default>;
+	pinctrl-names = "default";
 };
 
 /* Enable GPT for use as a hardware timer. This disables Cortex Systick.
@@ -237,3 +243,7 @@ zephyr_udc0: &usb1 {
 &gpt_hw_timer {
 	status = "okay";
 };
+
+&iomuxcgpr {
+	status = "okay";
+};

boards/arm/mimxrt1060_evk/mimxrt1060_evk_defconfig

@@ -13,3 +13,4 @@ CONFIG_SERIAL=y
 CONFIG_GPIO=y
 CONFIG_ARM_MPU=y
 CONFIG_HW_STACK_PROTECTION=y
+CONFIG_PINCTRL=y

boards/arm/mimxrt1060_evk/pinmux.c

@@ -114,22 +114,6 @@ static int mimxrt1060_evk_init(const struct device *dev)
 	IOMUXC_SetPinMux(IOMUXC_SNVS_WAKEUP_GPIO5_IO00, 0);
 #endif
 
-#if DT_NODE_HAS_STATUS(DT_NODELABEL(lpuart1), okay) && CONFIG_SERIAL
-	/* LPUART1 TX/RX */
-	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_12_LPUART1_TX, 0);
-	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B0_13_LPUART1_RX, 0);
-
-	IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B0_12_LPUART1_TX,
-			    IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
-			    IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
-			    IOMUXC_SW_PAD_CTL_PAD_DSE(6));
-
-	IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B0_13_LPUART1_RX,
-			    IOMUXC_SW_PAD_CTL_PAD_PKE_MASK |
-			    IOMUXC_SW_PAD_CTL_PAD_SPEED(2) |
-			    IOMUXC_SW_PAD_CTL_PAD_DSE(6));
-#endif
-
 #if DT_NODE_HAS_STATUS(DT_NODELABEL(lpuart3), okay) && CONFIG_SERIAL
 	/* LPUART3 TX/RX */
 	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_06_LPUART3_TX, 0);
@@ -400,20 +384,6 @@ static int mimxrt1060_evk_init(const struct device *dev)
 			    IOMUXC_SW_PAD_CTL_PAD_DSE(6));
 #endif
 
-#if DT_NODE_HAS_STATUS(DT_NODELABEL(sai1), okay) && CONFIG_I2S
-	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_09_SAI1_MCLK, 1U);
-	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_12_SAI1_RX_DATA00, 1U);
-	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_13_SAI1_TX_DATA00, 1U);
-	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_14_SAI1_TX_BCLK, 1U);
-	IOMUXC_SetPinMux(IOMUXC_GPIO_AD_B1_15_SAI1_TX_SYNC, 1U);
-
-	IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_09_SAI1_MCLK, 0x10B0u);
-	IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_12_SAI1_RX_DATA00, 0x10B0u);
-	IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_13_SAI1_TX_DATA00, 0x10B0u);
-	IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_14_SAI1_TX_BCLK, 0x10B0u);
-	IOMUXC_SetPinConfig(IOMUXC_GPIO_AD_B1_15_SAI1_TX_SYNC, 0x10B0u);
-#endif
-
 	return 0;
 }