[PATCH 02/17] ARCH: arm: dts: imx6qdl-kontron-samx6i: Add iMX6-based Kontron SMARC-sAMX6i module

[Marco Felsch <m.felsch@pengutronix.de>]

From: Priit Laes <plaes@plaes.org>

SMARC-sAMX6i is a SMARC (Smart Mobility Architecture) compliant
module.

Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
Based on patch: https://lore.kernel.org/patchwork/patch/762261/

v2:
- common: adapt commit message
- common: add pengutronix copyright
- common: use SPDX license header
- common: rename it to imx6qdl-smx6.dtsi
- common: drop imx6q.dtsi include and model, compatible, memory properties
- common: fix comment style
- common: drop all unnecessary 'status = "disabled"'
- i2c_pfuze: fix sda/scl gpios
- i2c_pfuze: s/i2c_pfuze/i2c_intern
- i2c_pfuze: use GPIO_* defines
- i2c3: fix pinmux
- fec: add phy-reset-gpio
- iomux: drop default 0x80000000 value
- iomux: use unique naming
- regulators: drop container node
- regulators: add all missing

 arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 418 ++++++++++++++++++
 1 file changed, 418 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi

diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi
new file mode 100644
index 000000000000..e546d46365f5
--- /dev/null
+++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi
@@ -0,0 +1,418 @@
+// SPDX-License-Identifier: GPL-2.0 OR X11
+/*
+ * Copyright 2017 (C) Priit Laes <plaes@plaes.org>
+ * Copyright 2018 (C) Pengutronix, Michael Grzeschik <mgr@pengutronix.de>
+ * Copyright 2019 (C) Pengutronix, Marco Felsch <kernel@pengutronix.de>
+ *
+ * Based on initial work by Nikita Yushchenko <nyushchenko at dev.rtsoft.ru>
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	reg_1p0v_s0: regulator-1p0v-s0 {
+		compatible = "regulator-fixed";
+		regulator-name = "V_1V0_S0";
+		regulator-min-microvolt = <1000000>;
+		regulator-max-microvolt = <1000000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&reg_smarc_suppy>;
+	};
+
+	reg_1p35v_vcoredig_s5: regulator-1p35v-vcoredig-s5 {
+		compatible = "regulator-fixed";
+		regulator-name = "V_1V35_VCOREDIG_S5";
+		regulator-min-microvolt = <1350000>;
+		regulator-max-microvolt = <1350000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&reg_3p3v_s5>;
+	};
+
+	reg_1p8v_s5: regulator-1p8v-s5 {
+		compatible = "regulator-fixed";
+		regulator-name = "V_1V8_S5";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&reg_3p3v_s5>;
+	};
+
+	reg_3p3v_s0: regulator-3p3v-s0 {
+		compatible = "regulator-fixed";
+		regulator-name = "V_3V3_S0";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&reg_3p3v_s5>;
+	};
+
+	reg_3p3v_s0: regulator-3p3v-s0 {
+		compatible = "regulator-fixed";
+		regulator-name = "V_3V3_S0";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&reg_3p3v_s5>;
+	};
+
+	reg_3p3v_s5: regulator-3p3v-s5 {
+		compatible = "regulator-fixed";
+		regulator-name = "V_3V3_S5";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&reg_smarc_suppy>;
+	};
+
+	reg_smarc_rtc: regulator-smarc-rtc {
+		compatible = "regulator-fixed";
+		regulator-name = "V_IN_RTC_BATT";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	/* Module supply range can be 3.00V ... 5.25V */
+	reg_smarc_suppy: regulator-smarc-supply {
+		compatible = "regulator-fixed";
+		regulator-name = "V_IN_WIDE";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	i2c_intern: i2c-gpio-intern {
+		compatible = "i2c-gpio";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2c_gpio_intern>;
+		sda-gpios = <&gpio1 28 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&gpio1 30 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		i2c-gpio,delay-us = <2>; /* ~100 kHz */
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+};
+
+/* CAN0 */
+&can1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan1>;
+};
+
+/* CAN1 */
+&can2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan2>;
+};
+
+/* GBE */
+&fec {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet>;
+	phy-mode = "rgmii";
+	phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
+};
+
+&i2c_intern {
+	pfuze100@08 {
+		compatible = "fsl,pfuze100";
+		reg = <0x08>;
+
+		regulators {
+			reg_v_core_s0: sw1ab {
+				regulator-name = "V_CORE_S0";
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <1875000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			reg_vddsoc_s0: sw1c {
+				regulator-name = "V_VDDSOC_S0";
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <1875000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			reg_3p15v_s0: sw2 {
+				regulator-name = "V_3V15_S0";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			/* sw3a/b is used in dual mode, but driver does not
+			 * support it. Although, there's no need to control
+			 * DDR power - so just leaving dummy entries for sw3a
+			 * and sw3b for now.
+			 */
+			sw3a {
+				regulator-min-microvolt = <400000>;
+				regulator-max-microvolt = <1975000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			sw3b {
+				regulator-min-microvolt = <400000>;
+				regulator-max-microvolt = <1975000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			reg_1p8v_s0: sw4 {
+				regulator-name = "V_1V8_S0";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			/* Regulator for USB */
+			reg_5p0v_s0: swbst {
+				regulator-name = "V_5V0_S0";
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5150000>;
+				regulator-boot-on;
+			};
+
+			reg_vsnvs: vsnvs {
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			reg_vrefddr: vrefddr {
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			/*
+			 * Per schematics, of all VGEN's, only VGEN5 has some
+			 * usage ... but even that - over DNI resistor
+			 */
+			vgen1 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1550000>;
+			};
+
+			vgen2 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1550000>;
+			};
+
+			vgen3 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			vgen4 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			reg_2p5v_s0: vgen5 {
+				regulator-name = "V_2V5_S0";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			vgen6 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+		};
+	};
+};
+
+/* I2C_PM */
+&i2c3 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
+};
+
+&iomuxc {
+	pinctrl_flexcan1: flexcan1grp {
+		fsl,pins = <
+			MX6QDL_PAD_GPIO_7__FLEXCAN1_TX 0x1b0b0
+			MX6QDL_PAD_GPIO_8__FLEXCAN1_RX 0x1b0b0
+		>;
+	};
+
+	pinctrl_flexcan2: flexcan2grp {
+		fsl,pins = <
+			MX6QDL_PAD_KEY_COL4__FLEXCAN2_TX 0x1b0b0
+			MX6QDL_PAD_KEY_ROW4__FLEXCAN2_RX 0x1b0b0
+		>;
+	};
+
+	pinctrl_enet: enetgrp {
+		fsl,pins = <
+			MX6QDL_PAD_RGMII_TXC__RGMII_TXC       0x1b0b0
+			MX6QDL_PAD_RGMII_TD0__RGMII_TD0       0x1b0b0
+			MX6QDL_PAD_RGMII_TD1__RGMII_TD1       0x1b0b0
+			MX6QDL_PAD_RGMII_TD2__RGMII_TD2       0x1b0b0
+			MX6QDL_PAD_RGMII_TD3__RGMII_TD3       0x1b0b0
+			MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b0b0
+			MX6QDL_PAD_RGMII_RXC__RGMII_RXC       0x1b0b0
+			MX6QDL_PAD_RGMII_RD0__RGMII_RD0       0x1b0b0
+			MX6QDL_PAD_RGMII_RD1__RGMII_RD1       0x1b0b0
+			MX6QDL_PAD_RGMII_RD2__RGMII_RD2       0x1b0b0
+			MX6QDL_PAD_RGMII_RD3__RGMII_RD3       0x1b0b0
+			MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b0b0
+
+			MX6QDL_PAD_ENET_MDIO__ENET_MDIO       0x1b0b0
+			MX6QDL_PAD_ENET_MDC__ENET_MDC         0x1b0b0
+			MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK  0x1b0b0
+			MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25    0x1b0b0 /* RST_GBE0_PHY# */
+		>;
+	};
+
+	pinctrl_i2c_gpio_intern: i2c-gpiointerngrp {
+		fsl,pins = <
+			MX6QDL_PAD_ENET_TXD0__GPIO1_IO30  0x1b0b0 /* SCL */
+			MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28 0x1b0b0 /* SDA */
+		>;
+	};
+
+	pinctrl_i2c3: i2c3grp {
+		fsl,pins = <
+			MX6QDL_PAD_GPIO_3__I2C3_SCL		0x4001b8b1
+			MX6QDL_PAD_GPIO_16__I2C3_SDA		0x4001b8b1
+		>;
+	};
+
+	pinctrl_pcie: pciegrp {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_D18__GPIO3_IO18	0x1b0b0 /* PCI_A_PRSNT# */
+			MX6QDL_PAD_EIM_DA13__GPIO3_IO13 0x1b0b0 /* RST_PCIE_A#  */
+			MX6QDL_PAD_SD3_DAT6__GPIO6_IO18 0x1b0b0 /* PCIE_WAKE#   */
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1
+			MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1
+			MX6QDL_PAD_EIM_D20__UART1_RTS_B 0x1b0b1
+			MX6QDL_PAD_EIM_D19__UART1_CTS_B 0x1b0b1
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_D27__UART2_RX_DATA 0x1b0b1
+			MX6QDL_PAD_EIM_D26__UART2_TX_DATA 0x1b0b1
+		>;
+	};
+
+	pinctrl_uart4: uart4grp {
+		fsl,pins = <
+			MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1
+			MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1
+			MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1
+			MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1
+		>;
+	};
+
+	pinctrl_uart5: uart5grp {
+		fsl,pins = <
+			MX6QDL_PAD_CSI0_DAT15__UART5_RX_DATA 0x1b0b1
+			MX6QDL_PAD_CSI0_DAT14__UART5_TX_DATA 0x1b0b1
+		>;
+	};
+
+	pinctrl_usbotg: usbotggrp {
+		fsl,pins = <
+			MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x1f8b0
+			/* power, oc muxed but not used by the driver */
+			MX6QDL_PAD_CSI0_PIXCLK__GPIO5_IO18	0x1b0b0 /* USB power */
+			MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20	0x1b0b0 /* USB OC */
+		>;
+	};
+
+	pinctrl_usdhc4: usdhc4grp {
+		fsl,pins = <
+			MX6QDL_PAD_SD4_CLK__SD4_CLK 0x17059
+			MX6QDL_PAD_SD4_CMD__SD4_CMD 0x17059
+			MX6QDL_PAD_SD4_DAT0__SD4_DATA0 0x17059
+			MX6QDL_PAD_SD4_DAT1__SD4_DATA1 0x17059
+			MX6QDL_PAD_SD4_DAT2__SD4_DATA2 0x17059
+			MX6QDL_PAD_SD4_DAT3__SD4_DATA3 0x17059
+			MX6QDL_PAD_SD4_DAT4__SD4_DATA4 0x17059
+			MX6QDL_PAD_SD4_DAT5__SD4_DATA5 0x17059
+			MX6QDL_PAD_SD4_DAT6__SD4_DATA6 0x17059
+			MX6QDL_PAD_SD4_DAT7__SD4_DATA7 0x17059
+		>;
+	};
+};
+
+&pcie {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pcie>;
+	wake-up-gpio = <&gpio6 18 GPIO_ACTIVE_HIGH>;
+	reset-gpio = <&gpio3 13 GPIO_ACTIVE_HIGH>;
+};
+
+/* SER0 */
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	uart-has-rtscts;
+};
+
+/* SER1 */
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+};
+
+/* SER2 */
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart4>;
+	uart-has-rtscts;
+};
+
+/* SER3 */
+&uart5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart5>;
+};
+
+/* USB0 */
+&usbotg {
+	/*
+	 * no 'imx6-usb-charger-detection'
+	 * since USB_OTG_CHD_B pin is not wired
+	 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usbotg>;
+};
+
+/* USB1/2 via hub */
+&usbh1 {
+	vbus-supply = <&reg_5p0v_s0>;
+};
+
+/* SDMMC */
+&usdhc4 {
+	/* Internal eMMC, optional on some boards */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc4>;
+	bus-width = <8>;
+	no-1-8-v;
+	non-removable;
+};
-- 
2.20.1