[PATCH v4 2/2] ARM: dts: imx: Add basic dts support for imx6sll EVK board
Shawn Guo
shawnguo at kernel.org
Thu Mar 8 19:36:13 PST 2018
On Thu, Mar 08, 2018 at 06:03:44PM +0800, Bai Ping wrote:
> Add dts file support for imx6sll EVK board.
>
> Signed-off-by: Bai Ping <ping.bai at nxp.com>
> ---
> change v3->v4
> - update the license indentifier
> - remove leading zero of node
> - remove unused pin from hog group
> ---
> Documentation/devicetree/bindings/arm/fsl.txt | 4 +
> arch/arm/boot/dts/Makefile | 2 +
> arch/arm/boot/dts/imx6sll-evk.dts | 372 ++++++++++++++++++++++++++
> 3 files changed, 378 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx6sll-evk.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/fsl.txt b/Documentation/devicetree/bindings/arm/fsl.txt
> index cdb9dd7..8a1baa2 100644
> --- a/Documentation/devicetree/bindings/arm/fsl.txt
> +++ b/Documentation/devicetree/bindings/arm/fsl.txt
> @@ -53,6 +53,10 @@ i.MX6 Quad SABRE Automotive Board
> Required root node properties:
> - compatible = "fsl,imx6q-sabreauto", "fsl,imx6q";
>
> +i.MX6SLL EVK board
> +Required root node properties:
> + - compatible = "fsl,imx6sll-evk", "fsl,imx6sll";
> +
> Generic i.MX boards
> -------------------
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index ade7a38..28bff8b 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -505,6 +505,8 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
> dtb-$(CONFIG_SOC_IMX6SL) += \
> imx6sl-evk.dtb \
> imx6sl-warp.dtb
> +dtb-$(CONFIG_SOC_IMX6SLL) += \
> + imx6sll-evk.dtb
> dtb-$(CONFIG_SOC_IMX6SX) += \
> imx6sx-nitrogen6sx.dtb \
> imx6sx-sabreauto.dtb \
> diff --git a/arch/arm/boot/dts/imx6sll-evk.dts b/arch/arm/boot/dts/imx6sll-evk.dts
> new file mode 100644
> index 0000000..892fbec
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6sll-evk.dts
> @@ -0,0 +1,372 @@
> +//SPDX-License-Identifier: (GPL-2.0 OR MIT)
Missing space after //.
> +/*
> + * Copyright 2016 Freescale Semiconductor, Inc.
> + * Copyright 2017-2018 NXP.
> + *
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include "imx6sll.dtsi"
> +
> +/ {
> + model = "Freescale i.MX6SLL EVK Board";
> + compatible = "fsl,imx6sll-evk", "fsl,imx6sll";
> +
> + memory at 80000000 {
> + reg = <0x80000000 0x80000000>;
> + };
> +
> + backlight {
> + compatible = "pwm-backlight";
> + pwms = <&pwm1 0 5000000>;
> + brightness-levels = <0 4 8 16 32 64 128 255>;
> + default-brightness-level = <6>;
> + status = "okay";
> + };
> +
> + reg_usb_otg1_vbus: reg-usb-otg1-vbus {
regulator-xxx for node name.
> + compatible = "regulator-fixed";
> + regulator-name = "usb_otg1_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio4 0 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + reg_usb_otg2_vbus: reg-usb-otg2-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_otg2_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio4 2 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + reg_aud3v: reg-aud3v {
> + compatible = "regulator-fixed";
> + regulator-name = "wm8962-supply-3v15";
> + regulator-min-microvolt = <3150000>;
> + regulator-max-microvolt = <3150000>;
> + regulator-boot-on;
> + };
> +
> + reg_aud4v: reg-aud4v {
> + compatible = "regulator-fixed";
> + regulator-name = "wm8962-supply-4v2";
> + regulator-min-microvolt = <4325000>;
> + regulator-max-microvolt = <4325000>;
> + regulator-boot-on;
> + };
> +
> + reg_lcd: reg-lcd {
> + compatible = "regulator-fixed";
> + regulator-name = "lcd-pwr";
> + gpio = <&gpio4 8 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + reg_sd1_vmmc: reg-sd1-vmmc {
> + compatible = "regulator-fixed";
> + regulator-name = "SD1_SPWR";
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + gpio = <&gpio3 30 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +};
> +
> +&cpu0 {
> + arm-supply = <&sw1a_reg>;
> + soc-supply = <&sw1c_reg>;
> +};
> +
> +&i2c1 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +
> + pmic: pfuze100 at 8 {
pfuze100: pmic
> + compatible = "fsl,pfuze100";
> + reg = <0x08>;
> +
> + regulators {
> + sw1a_reg: sw1ab {
> + regulator-min-microvolt = <300000>;
> + regulator-max-microvolt = <1875000>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <6250>;
> + };
> +
> + sw1c_reg: sw1c {
> + regulator-min-microvolt = <300000>;
> + regulator-max-microvolt = <1875000>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <6250>;
> + };
> +
> + sw2_reg: sw2 {
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + sw3a_reg: sw3a {
> + regulator-min-microvolt = <400000>;
> + regulator-max-microvolt = <1975000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + sw3b_reg: sw3b {
> + regulator-min-microvolt = <400000>;
> + regulator-max-microvolt = <1975000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + sw4_reg: sw4 {
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + swbst_reg: swbst {
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5150000>;
> + };
> +
> + snvs_reg: vsnvs {
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vref_reg: vrefddr {
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vgen1_reg: vgen1 {
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1550000>;
> + regulator-always-on;
> + };
> +
> + vgen2_reg: vgen2 {
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1550000>;
> + };
> +
> + vgen3_reg: vgen3 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + vgen4_reg: vgen4 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + vgen5_reg: vgen5 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + vgen6_reg: vgen6 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> + };
> + };
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hog0>, <&pinctrl_hog1>;
> +
> + pinctrl_hog0: hog0grp {
> + pinmux = <
> + MX6SLL_PAD_KEY_ROW7__GPIO4_IO07
> + MX6SLL_PAD_GPIO4_IO22__GPIO4_IO22
> + MX6SLL_PAD_KEY_COL3__GPIO3_IO30
> + MX6SLL_PAD_KEY_COL4__GPIO4_IO00
> + MX6SLL_PAD_KEY_COL5__GPIO4_IO02
I don't think these GPIOs should be in hog group, as they are used by
particular client device, and should be in pinctrl entries for the
client devices.
Shawn
> + >;
> + slew-rate = <0x1>;
> + drive-strength = <0x3>;
> + fsl,pin-speed = <0x1>;
> + bias-pull-up = <0x1>;
> + input-schmitt-enable;
> + };
> +
> + pinctrl_hog1: hog1grp {
> + pinmux = <
> + /*
> + * Must set the LVE of pad SD2_RESET, otherwise current
> + * leakage through eMMC chip will pull high the VCCQ to
> + * 2.6v, which will impact SD1 and SD3 SD3.0 voltage switch.
> + */
> + MX6SLL_PAD_SD2_RESET__GPIO4_IO27
> + >;
> + slew-rate = <0x1>;
> + drive-strength = <0x3>;
> + fsl,pin-speed = <0x1>;
> + bias-pull-up = <0x1>;
> + input-schmitt-enable;
> + fsl,low-voltage-enable = <0x1>;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + pinmux = <
> + MX6SLL_PAD_UART1_TXD__UART1_DCE_TX
> + MX6SLL_PAD_UART1_RXD__UART1_DCE_RX
> + >;
> + slew-rate = <0x1>;
> + drive-strength = <0x6>;
> + fsl,pin-speed = <0x2>;
> + bias-pull-up = <0x2>;
> + input-schmitt-enable;
> + };
> +
> + pinctrl_usdhc1_data: usdhc1datagrp {
> + pinmux = <
> + MX6SLL_PAD_SD1_CMD__SD1_CMD
> + MX6SLL_PAD_SD1_DATA0__SD1_DATA0
> + MX6SLL_PAD_SD1_DATA1__SD1_DATA1
> + MX6SLL_PAD_SD1_DATA2__SD1_DATA2
> + MX6SLL_PAD_SD1_DATA3__SD1_DATA3
> + >;
> + slew-rate = <0x1>;
> + drive-strength = <0x4>;
> + fsl,pin-speed = <0x1>;
> + bias-pull-up = <0x1>;
> + input-schmitt-enable;
> + };
> +
> + pinctrl_usdhc1_clk: usdhc1clkgrp {
> + pinmux = <MX6SLL_PAD_SD1_CLK__SD1_CLK>;
> + slew-rate = <0x1>;
> + drive-strength = <0x4>;
> + fsl,pin-speed = <0x1>;
> + bias-pull-down = <0x0>;
> + input-schmitt-enable;
> + };
> +
> + pinctrl_usdhc1_data_100mhz: usdhc1datagrp_100mhz {
> + pinmux = <
> + MX6SLL_PAD_SD1_CMD__SD1_CMD
> + MX6SLL_PAD_SD1_DATA0__SD1_DATA0
> + MX6SLL_PAD_SD1_DATA1__SD1_DATA1
> + MX6SLL_PAD_SD1_DATA2__SD1_DATA2
> + MX6SLL_PAD_SD1_DATA3__SD1_DATA3
> + >;
> + slew-rate = <0x1>;
> + drive-strength = <0x4>;
> + fsl,pin-speed = <0x2>;
> + bias-pull-up = <0x1>;
> + input-schmitt-enable;
> + };
> +
> + pinctrl_usdhc1_clk_100mhz: usdhc1clkgrp_100mhz {
> + pinmux = < MX6SLL_PAD_SD1_CLK__SD1_CLK>;
> + slew-rate = <0x1>;
> + drive-strength = <0x4>;
> + fsl,pin-speed = <0x2>;
> + bias-pull-down = <0x0>;
> + input-schmitt-enable;
> + };
> +
> + pinctrl_usdhc1_data_200mhz: usdhc1datagrp_200mhz {
> + pinmux = <
> + MX6SLL_PAD_SD1_CMD__SD1_CMD
> + MX6SLL_PAD_SD1_DATA0__SD1_DATA0
> + MX6SLL_PAD_SD1_DATA1__SD1_DATA1
> + MX6SLL_PAD_SD1_DATA2__SD1_DATA2
> + MX6SLL_PAD_SD1_DATA3__SD1_DATA3
> + >;
> + slew-rate = <0x1>;
> + drive-strength = <0x5>;
> + fsl,pin-speed = <0x3>;
> + bias-pull-up = <0x1>;
> + input-schmitt-enable;
> + };
> +
> + pinctrl_usdhc1_clk_200mhz: usdhc1clkgrp_200mhz {
> + pinmux = <MX6SLL_PAD_SD1_CLK__SD1_CLK>;
> + slew-rate = <0x1>;
> + drive-strength = <0x7>;
> + fsl,pin-speed = <0x3>;
> + bias-pull-down = <0x0>;
> + input-schmitt-enable;
> + };
> +
> + pinctrl_usbotg1: usbotg1grp {
> + pinmux = <MX6SLL_PAD_EPDC_PWR_COM__USB_OTG1_ID>;
> + slew-rate = <0x1>;
> + drive-strength = <0x3>;
> + fsl,pin-speed = <0x1>;
> + bias-pull-up = <0x1>;
> + input-schmitt-enable;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + pinmux = <
> + MX6SLL_PAD_I2C1_SCL__I2C1_SCL
> + MX6SLL_PAD_I2C1_SDA__I2C1_SDA
> + >;
> + slew-rate = <0x1>;
> + drive-strength = <0x6>;
> + fsl,pin-speed = <0x2>;
> + drive-open-drain;
> + bias-pull-up = <0x2>;
> + input-schmitt-enable;
> + input-enable;
> + };
> +};
> +
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +&usdhc1 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc1_data>, <&pinctrl_usdhc1_clk>;
> + pinctrl-1 = <&pinctrl_usdhc1_data_100mhz>, <&pinctrl_usdhc1_clk_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc1_data_200mhz>, <&pinctrl_usdhc1_clk_200mhz>;
> + cd-gpios = <&gpio4 7 GPIO_ACTIVE_LOW>;
> + wp-gpios = <&gpio4 22 GPIO_ACTIVE_HIGH>;
> + keep-power-in-suspend;
> + wakeup-source;
> + vmmc-supply = <®_sd1_vmmc>;
> + status = "okay";
> +};
> +
> +&usbotg1 {
> + vbus-supply = <®_usb_otg1_vbus>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usbotg1>;
> + disable-over-current;
> + srp-disable;
> + hnp-disable;
> + adp-disable;
> + status = "okay";
> +};
> +
> +&usbotg2 {
> + vbus-supply = <®_usb_otg2_vbus>;
> + dr_mode = "host";
> + disable-over-current;
> + status = "okay";
> +};
> --
> 1.9.1
>
>
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