[PATCH v9 1/3] ARM: dts: imx6ul: Add Variscite DART-6UL SoM support

From: Oliver Graute
Date: Sun Feb 14 2021 - 08:16:15 EST

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This patch adds support for the i.MX6UL variant of the Variscite DART-6UL
SoM Carrier-Board

Signed-off-by: Oliver Graute <oliver.graute@xxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Cc: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
Cc: Parthiban Nallathambi <parthitce@xxxxxxxxx>
---
.../boot/dts/imx6ul-imx6ull-var-dart-common.dtsi | 314 +++++++++++++++++++++
1 file changed, 314 insertions(+)

Changelog:

v9:
- added 3V and 5V regulator
- move phy reset to subnode
- added pwm-cells
- fixed pad pin conflict

v8:
- remove can node
- remove flexscan pinctrl
- moved lcd and i2c pinctrl
- sorted regulators
- add dedicated pinctrl for dvfs regulator

v7:
- removed cpu0 node
- fixed phy problem

v6:
- renamed touch regulator
- renamed rmii clock
- moved some muxing to baseboard
- added pinctrl for gpio key
- added bus-width to usdhc1
- fixed missing subnode on partitions

create mode 100644 arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi

diff --git a/arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi b/arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi
new file mode 100644
index 00000000..b95fdc5
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-imx6ull-var-dart-common.dtsi
@@ -0,0 +1,314 @@
+// SPDX-License-Identifier: (GPL-2.0)
+/dts-v1/;
+
+#include "imx6ul.dtsi"
+/ {
+ chosen {
+ stdout-path = &uart1;
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>;
+ };
+
+ clk_rmii_ref: clock-rmii-ref {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ clock-output-names = "rmii-ref";
+ };
+
+ reg_3v3: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ reg_5v0: regulator-5v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ reg_gpio_dvfs: regulator-gpio {
+ compatible = "regulator-gpio";
+ gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_dvfs_reg>;
+ regulator-min-microvolt = <1300000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-name = "gpio_dvfs";
+ regulator-type = "voltage";
+ enable-active-high;
+ states = <1300000 0x1 1400000 0x0>;
+ };
+
+ reg_sd1_vmmc: regulator-sd1-vmmc {
+ compatible = "regulator-fixed";
+ regulator-name = "VSD_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ reg_touch_3v3: regulator-touch-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "touch_3v3_supply";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+};
+
+&adc1 {
+ vref-supply = <&reg_touch_3v3>;
+};
+
+&fec1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_enet1>;
+ phy-mode = "rmii";
+ phy-handle = <&ethphy0>;
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethphy0: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ micrel,rmii-reference-clock-select-25-mhz;
+ clocks = <&clk_rmii_ref>;
+ clock-names = "rmii-ref";
+ reset-names = "phy";
+ reset-gpios=<&gpio5 10 1>;
+ reset-assert-us = <100>;
+ reg = <1>;
+ };
+
+ ethphy1: ethernet-phy@3 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ micrel,rmii-reference-clock-select-25-mhz;
+ clocks = <&clk_rmii_ref>;
+ clock-names = "rmii-ref";
+ reg = <3>;
+ };
+ };
+};
+
+&gpmi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpmi_nand>;
+ status = "okay";
+};
+
+&i2c1 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+};
+
+&pwm1 {
+ #pwm-cells = <2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm1>;
+};
+
+&sai2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai2>;
+ assigned-clocks = <&clks IMX6UL_CLK_SAI2_SEL>,
+ <&clks IMX6UL_CLK_SAI2>;
+ assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
+ assigned-clock-rates = <0>, <12288000>;
+ fsl,sai-mclk-direction-output;
+ status = "okay";
+};
+
+&snvs_poweroff {
+ status = "okay";
+};
+
+&snvs_rtc {
+ status = "disabled";
+};
+
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart2>;
+ uart-has-rtscts;
+};
+
+&usdhc1 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+ bus-width = <4>;
+ no-1-8-v;
+ keep-power-in-suspend;
+ vmmc-supply = <&reg_sd1_vmmc>;
+ non-removable;
+ status = "okay";
+};
+
+&wdog1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdog>;
+ fsl,ext-reset-output;
+};
+
+&iomuxc {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_hog>;
+
+ pinctrl_enet1: enet1grp {
+ fsl,pins = <
+ MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0
+ MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0
+ MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
+ MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
+ MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0
+ MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
+ MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
+ MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031
+ >;
+ };
+
+ pinctrl_enet2: enet2grp {
+ fsl,pins = <
+ MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN 0x1b0b0
+ MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER 0x1b0b0
+ MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0
+ MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0
+ MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN 0x1b0b0
+ MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0b0
+ MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0b0
+ MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b031
+ MX6UL_PAD_JTAG_MOD__GPIO1_IO10 0x1b0b0
+ >;
+ };
+
+ pinctrl_gpmi_nand: gpminandgrp {
+ fsl,pins = <
+ MX6UL_PAD_NAND_CLE__RAWNAND_CLE 0xb0b1
+ MX6UL_PAD_NAND_ALE__RAWNAND_ALE 0xb0b1
+ MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B 0xb0b1
+ MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B 0xb000
+ MX6UL_PAD_NAND_CE1_B__RAWNAND_CE1_B 0xb0b1
+ MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B 0xb0b1
+ MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B 0xb0b1
+ MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00 0xb0b1
+ MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01 0xb0b1
+ MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02 0xb0b1
+ MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03 0xb0b1
+ MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04 0xb0b1
+ MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05 0xb0b1
+ MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06 0xb0b1
+ MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07 0xb0b1
+ >;
+ };
+
+ pinctrl_hog: hoggrp {
+ fsl,pins = <
+ MX6UL_PAD_GPIO1_IO03__OSC32K_32K_OUT 0x03029
+ >;
+ };
+
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX6UL_PAD_UART4_TX_DATA__I2C1_SCL 0x4001b8b0
+ MX6UL_PAD_UART4_RX_DATA__I2C1_SDA 0x4001b8b0
+ >;
+ };
+
+ pinctrl_pwm1: pwm1grp {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA00__PWM1_OUT 0x110b0
+ >;
+ };
+
+ pinctrl_sai2: sai2grp {
+ fsl,pins = <
+ MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK 0x17088
+ MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC 0x17088
+ MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA 0x11088
+ MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA 0x11088
+ MX6UL_PAD_JTAG_TMS__SAI2_MCLK 0x17088
+ >;
+ };
+
+ pinctrl_dvfs_reg: dvfs-grp {
+ fsl,pins = <
+ MX6UL_PAD_NAND_CE0_B__GPIO4_IO13 0x1b0b1
+ >;
+ };
+
+ pinctrl_uart1: uart1grp {
+ fsl,pins = <
+ MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
+ MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
+ >;
+ };
+
+ pinctrl_uart2: uart2grp {
+ fsl,pins = <
+ MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1
+ MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX 0x1b0b1
+ MX6UL_PAD_UART2_CTS_B__UART2_DCE_CTS 0x1b0b1
+ MX6UL_PAD_UART2_RTS_B__UART2_DCE_RTS 0x1b0b1
+ >;
+ };
+
+ pinctrl_uart3: uart3grp {
+ fsl,pins = <
+ MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX 0x1b0b1
+ MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX 0x1b0b1
+ MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS 0x1b0b1
+ MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS 0x1b0b1
+ >;
+ };
+
+ pinctrl_usdhc1: usdhc1grp {
+ fsl,pins = <
+ MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059
+ MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x17059
+ MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
+ MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
+ MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
+ MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
+ MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b0b1
+ >;
+ };
+
+ pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
+ fsl,pins = <
+ MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9
+ MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9
+ MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9
+ MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9
+ MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9
+ MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9
+ MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b0b1
+ >;
+ };
+
+ pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
+ fsl,pins = <
+ MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9
+ MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9
+ MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9
+ MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9
+ MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9
+ MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9
+ MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b0b1
+ >;
+ };
+
+ pinctrl_wdog: wdoggrp {
+ fsl,pins = <
+ MX6UL_PAD_GPIO1_IO08__WDOG1_WDOG_B 0x78b0
+ >;
+ };
+};
--
2.7.4

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