boards: frdm_kl25z: Add pinctrl groups for frdm_kl25z

Add pinctrl groups for frdm_kl25z

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

Author: danieldegrasse

boards/arm/frdm_kl25z/frdm_kl25z-pinctrl.dtsi

@@ -0,0 +1,39 @@
+/*
+ * NOTE: Autogenerated file by kinetis_signal2dts.py
+ *       for MKL25Z128VLK4/signal_configuration.xml
+ *
+ * Copyright (c) 2022, NXP
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+
+#include <nxp/kinetis/MKL25Z128VLK4-pinctrl.h>
+
+&pinctrl {
+	adc0_default: adc0_default {
+		group0 {
+			pinmux = <ADC0_SE12_PTB2>;
+			drive-strength = "low";
+			slew-rate = "slow";
+		};
+	};
+
+	i2c0_default: i2c0_default {
+		group0 {
+			pinmux = <I2C0_SCL_PTE24>,
+				<I2C0_SDA_PTE25>;
+			drive-strength = "low";
+			slew-rate = "slow";
+		};
+	};
+
+	uart0_default: uart0_default {
+		group0 {
+			pinmux = <UART0_RX_PTA1>,
+				<UART0_TX_PTA2>;
+			drive-strength = "low";
+			slew-rate = "slow";
+		};
+	};
+
+};

boards/arm/frdm_kl25z/frdm_kl25z.dts

@@ -2,7 +2,8 @@
 
 /dts-v1/;
 
-#include <nxp/MKL25Z128VLK4.dtsi>
+#include <nxp/nxp_kl25z.dtsi>
+#include "frdm_kl25z-pinctrl.dtsi"
 
 / {
 	model = "NXP Freedom KL25Z board";
@@ -92,13 +93,13 @@
 
 &adc0 {
 	status = "okay";
-	pinctrl-0 = <&ADC0_SE12_PTB2>;
+	pinctrl-0 = <&adc0_default>;
 	pinctrl-names = "default";
 };
 
 &i2c0 {
 	status = "okay";
-	pinctrl-0 = <&I2C0_SCL_PTE24 &I2C0_SDA_PTE25>;
+	pinctrl-0 = <&i2c0_default>;
 	pinctrl-names = "default";
 
 	mma8451q@1d {
@@ -110,18 +111,10 @@
 	};
 };
 
-&I2C0_SCL_PTE24 {
-	bias-pull-up;
-};
-
-&I2C0_SDA_PTE25 {
-	bias-pull-up;
-};
-
 &uart0 {
 	status = "okay";
 	current-speed = <115200>;
-	pinctrl-0 = <&UART0_RX_PTA1 &UART0_TX_PTA2>;
+	pinctrl-0 = <&uart0_default>;
 	pinctrl-names = "default";
 };
 

boards/arm/frdm_kl25z/frdm_kl25z_defconfig

@@ -7,5 +7,6 @@ CONFIG_SERIAL=y
 CONFIG_CORTEX_M_SYSTICK=y
 CONFIG_GPIO=y
 CONFIG_PINMUX=y
+CONFIG_PINCTRL=y
 CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=48000000
 CONFIG_OSC_LOW_POWER=y

boards/arm/frdm_kl25z/pinmux.c

@@ -38,12 +38,6 @@ static int frdm_kl25z_pinmux_init(const struct device *dev)
 	__ASSERT_NO_MSG(device_is_ready(porte));
 #endif
 
-#if DT_NODE_HAS_STATUS(DT_NODELABEL(uart0), okay) && CONFIG_SERIAL
-	/* UART0 RX, TX */
-	pinmux_pin_set(porta, 1, PORT_PCR_MUX(kPORT_MuxAlt2));
-	pinmux_pin_set(porta, 2, PORT_PCR_MUX(kPORT_MuxAlt2));
-#endif
-
 #if DT_NODE_HAS_STATUS(DT_NODELABEL(i2c0), okay) && CONFIG_I2C
 	/* I2C0 SCL, SDA */
 	pinmux_pin_set(porte,  24, PORT_PCR_MUX(kPORT_MuxAlt5)