ARM: dts: imx: Add support for SK-iMX53 board

Add support for the StartKit sk-imx53 board, a simple development board
with the iMX536A SoC.

Tested and works:
- UARTs
- SPI
- I2C
- GPU
- USB
- uSD
- NAND
- Ethernet

Not tested:
- Display
- VPU
- capture

Not yet working:
- Sound

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d08a3c4..d20fd01 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -465,6 +465,7 @@ dtb-$(CONFIG_SOC_IMX53) += \
        imx53-ppd.dtb \
        imx53-qsb.dtb \
        imx53-qsrb.dtb \
+       imx53-sk-imx53.dtb \
        imx53-smd.dtb \
        imx53-tx53-x03x.dtb \
        imx53-tx53-x13x.dtb \

diff --git a/arch/arm/boot/dts/imx53-sk-imx53.dts b/arch/arm/boot/dts/imx53-sk-imx53.dts
new file mode 100644 (file)
index 0000000..103e731
--- /dev/null
+++ b/arch/arm/boot/dts/imx53-sk-imx53.dts
@@ -0,0 +1,357 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Copyright 2023 Linaro Ltd.
+
+/dts-v1/;
+
+#include "imx53.dtsi"
+
+/ {
+       model = "StarterKit SK-iMX53 Board";
+       compatible = "starterkit,sk-imx53", "fsl,imx53";
+
+       aliases {
+               /*
+                * iMX RTC is not battery powered on this board.
+                * Use the i2c RTC as rtc0.
+                */
+               rtc0 = &rtc;
+               rtc1 = &srtc;
+       };
+
+       chosen {
+               stdout-path = &uart1;
+       };
+
+       memory@70000000 {
+               device_type = "memory";
+               /* v2 had only 256 MB, v3 has 512 MB */
+               reg = <0x70000000 0x20000000>;
+       };
+
+       reg_usb1_vbus: regulator-usb-vbus {
+               compatible = "regulator-fixed";
+               regulator-name = "usb_vbus";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               gpio = <&gpio2 29 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       reg_usb_otg_vbus: regulator-otg-vbus {
+               compatible = "regulator-fixed";
+               regulator-name = "usb_vbus";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               gpio = <&gpio2 24 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+};
+
+&audmux {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_audmux>;
+       status = "okay";
+};
+
+&can1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_can1>;
+       status = "okay";
+};
+
+&ecspi1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_ecspi1>;
+       cs-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>;
+       status = "okay";
+};
+
+&ecspi2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_ecspi2>;
+       cs-gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
+       status = "okay";
+};
+
+&esdhc1 {
+       cd-gpios = <&gpio3 14 GPIO_ACTIVE_LOW>;
+       fsl,wp-controller;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_esdhc1>;
+       status = "okay";
+};
+
+&fec {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_fec>;
+       phy-mode = "rmii";
+       phy-handle = <&phy0>;
+       mac-address = [000000000000]; /* placeholder; will be overwritten by bootloader */
+       status = "okay";
+
+       mdio {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               phy0: ethernet-phy@0 {
+                       reg = <0>;
+                       reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
+               };
+       };
+};
+
+&i2c1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c1>;
+       status = "okay";
+};
+
+&i2c2 {
+       pinctrl-names = "default", "gpio";
+       pinctrl-0 = <&pinctrl_i2c2>;
+       pinctrl-1 = <&pinctrl_i2c2_gpio>;
+       sda-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
+       scl-gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>;
+       status = "okay";
+
+       tlv320aic23: codec@1a {
+               compatible = "ti,tlv320aic23";
+               reg = <0x1a>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_codec>;
+               #sound-dai-cells = <0>;
+       };
+
+       rtc: rtc@68 {
+               compatible = "dallas,ds1338";
+               reg = <0x68>;
+       };
+};
+
+&iomuxc {
+       pinctrl_audmux: audmuxgrp {
+               fsl,pins = <
+                       MX53_PAD_SD2_DATA3__AUDMUX_AUD4_TXC     0x1e4
+                       MX53_PAD_SD2_DATA2__AUDMUX_AUD4_TXD     0x1e4
+                       MX53_PAD_SD2_DATA1__AUDMUX_AUD4_TXFS    0x1e4
+                       MX53_PAD_SD2_DATA0__AUDMUX_AUD4_RXD     0x1e4
+               >;
+       };
+
+       pinctrl_can1: can1grp {
+               fsl,pins = <
+                       MX53_PAD_PATA_INTRQ__CAN1_TXCAN         0x1e4
+                       MX53_PAD_PATA_DIOR__CAN1_RXCAN          0x1e4
+               >;
+       };
+
+       pinctrl_codec: codecgrp {
+               fsl,pins = <
+                       MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK       0x1c4
+               >;
+       };
+
+       pinctrl_ecspi1: ecspi1grp {
+               fsl,pins = <
+                       MX53_PAD_EIM_D16__ECSPI1_SCLK           0x1e4
+                       MX53_PAD_EIM_D17__ECSPI1_MISO           0x1e4
+                       MX53_PAD_EIM_D18__ECSPI1_MOSI           0x1e4
+               >;
+       };
+
+       pinctrl_ecspi2: ecspi2grp {
+               fsl,pins = <
+                       MX53_PAD_CSI0_DAT9__ECSPI2_MOSI         0x1e4
+                       MX53_PAD_CSI0_DAT10__ECSPI2_MISO        0x1e4
+                       MX53_PAD_EIM_CS0__ECSPI2_SCLK           0x1e4
+               >;
+       };
+
+       pinctrl_esdhc1: esdhc1grp {
+               fsl,pins = <
+                       MX53_PAD_SD1_DATA0__ESDHC1_DAT0         0x1d5
+                       MX53_PAD_SD1_DATA1__ESDHC1_DAT1         0x1d5
+                       MX53_PAD_SD1_DATA2__ESDHC1_DAT2         0x1d5
+                       MX53_PAD_SD1_DATA3__ESDHC1_DAT3         0x1d5
+                       MX53_PAD_SD1_CMD__ESDHC1_CMD            0x1d5
+                       MX53_PAD_SD1_CLK__ESDHC1_CLK            0x1d5
+                       MX53_PAD_EIM_DA14__GPIO3_14             0x1f0
+               >;
+       };
+
+       pinctrl_fec: fecgrp {
+               fsl,pins = <
+                       MX53_PAD_FEC_MDC__FEC_MDC               0x1e4
+                       MX53_PAD_FEC_MDIO__FEC_MDIO             0x1e4
+                       MX53_PAD_FEC_REF_CLK__FEC_TX_CLK        0x1e4
+                       MX53_PAD_FEC_RX_ER__FEC_RX_ER           0x1e4
+                       MX53_PAD_FEC_CRS_DV__FEC_RX_DV          0x1e4
+                       MX53_PAD_FEC_RXD1__FEC_RDATA_1          0x1e4
+                       MX53_PAD_FEC_RXD0__FEC_RDATA_0          0x1e4
+                       MX53_PAD_FEC_TX_EN__FEC_TX_EN           0x1c4
+                       MX53_PAD_FEC_TXD1__FEC_TDATA_1          0x1e4
+                       MX53_PAD_FEC_TXD0__FEC_TDATA_0          0x1e4
+                       MX53_PAD_GPIO_1__GPIO1_1                0x1c4
+               >;
+       };
+
+       pinctrl_i2c1: i2c1grp {
+               fsl,pins = <
+                       MX53_PAD_EIM_D21__I2C1_SCL              0x400001e4
+                       MX53_PAD_EIM_D28__I2C1_SDA              0x400001e4
+               >;
+       };
+
+       pinctrl_i2c2: i2c2grp {
+               fsl,pins = <
+                       MX53_PAD_KEY_ROW3__I2C2_SDA             0x400001e4
+                       MX53_PAD_EIM_EB2__I2C2_SCL              0x400001e4
+               >;
+       };
+
+       pinctrl_i2c2_gpio: i2c2gpiogrp {
+               fsl,pins = <
+                       MX53_PAD_KEY_ROW3__GPIO4_13             0x1e4
+                       MX53_PAD_EIM_EB2__GPIO2_30              0x1e4
+               >;
+       };
+
+       pinctrl_nand: nandgrp {
+               fsl,pins = <
+                       MX53_PAD_NANDF_WE_B__EMI_NANDF_WE_B     0x4
+                       MX53_PAD_NANDF_RE_B__EMI_NANDF_RE_B     0x4
+                       MX53_PAD_NANDF_CLE__EMI_NANDF_CLE       0x4
+                       MX53_PAD_NANDF_ALE__EMI_NANDF_ALE       0x4
+                       MX53_PAD_NANDF_WP_B__EMI_NANDF_WP_B     0xe0
+                       MX53_PAD_NANDF_RB0__EMI_NANDF_RB_0      0xe0
+                       MX53_PAD_NANDF_CS0__EMI_NANDF_CS_0      0x4
+                       MX53_PAD_NANDF_CS1__EMI_NANDF_CS_1      0x4
+                       MX53_PAD_NANDF_CS2__EMI_NANDF_CS_2      0x4
+                       MX53_PAD_NANDF_CS3__EMI_NANDF_CS_3      0x4
+                       MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0    0xa4
+                       MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1    0xa4
+                       MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2    0xa4
+                       MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3    0xa4
+                       MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4    0xa4
+                       MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5    0xa4
+                       MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6    0xa4
+                       MX53_PAD_EIM_DA7__EMI_NAND_WEIM_DA_7    0xa4
+               >;
+       };
+
+       pinctrl_pwm1: pwm1grp {
+               fsl,pins = <
+                       MX53_PAD_GPIO_9__PWM1_PWMO              0x5
+               >;
+       };
+
+       pinctrl_uart1: uart1grp {
+               fsl,pins = <
+                       MX53_PAD_PATA_DIOW__UART1_TXD_MUX       0x1e4
+                       MX53_PAD_PATA_DMACK__UART1_RXD_MUX      0x1e4
+               >;
+       };
+
+       pinctrl_uart3: uart3grp {
+               fsl,pins = <
+                       MX53_PAD_EIM_D24__UART3_TXD_MUX         0x1e4
+                       MX53_PAD_EIM_D25__UART3_RXD_MUX         0x1e4
+               >;
+       };
+
+       pinctrl_uart4: uart4grp {
+               fsl,pins = <
+                       MX53_PAD_KEY_COL0__UART4_TXD_MUX        0x1e4
+                       MX53_PAD_KEY_ROW0__UART4_RXD_MUX        0x1e4
+               >;
+       };
+};
+
+&nfc {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_nand>;
+       nand-bus-width = <8>;
+       status = "okay";
+
+       partitions {
+               compatible = "fixed-partitions";
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               partition@0 {
+                       label = "boot";
+                       reg = <0x00000000 0x00100000>;
+                       read-only;
+               };
+
+               partition@100000 {
+                       label = "u-boot";
+                       reg = <0x00100000 0x00100000>;
+                       read-only;
+               };
+
+               partition@200000 {
+                       label = "u-boot-env";
+                       reg = <0x00200000 0x00100000>;
+                       read-only;
+               };
+
+               partition@1000000 {
+                       label = "kernel-safe";
+                       reg = <0x01000000 0x00a00000>;
+                       read-only;
+               };
+
+               partition@1a00000 {
+                       label = "kernel";
+                       reg = <0x01a00000 0x005e0000>;
+               };
+
+               partition@2000000 {
+                       label = "ubifs";
+                       reg = <0x02000000 0x0e000000>;
+               };
+       };
+};
+
+&pwm1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm1>;
+       status = "okay";
+};
+
+&sata {
+       status = "okay";
+};
+
+&uart1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_uart1>;
+       status = "okay";
+};
+
+&uart3 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_uart3>;
+       status = "okay";
+};
+
+&uart4 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_uart4>;
+       status = "okay";
+};
+
+&usbh1 {
+       vbus-supply = <&reg_usb1_vbus>;
+       phy_type = "utmi";
+       disable-over-current;
+       status = "okay";
+};
+
+&usbotg {
+       dr_mode = "peripheral";
+       disable-over-current;
+       status = "okay";
+};