[PATCH v2 1/2] ARM: dts: sunxi: Add Olimex A20-SOM204-EVB board

From: Stefan Mavrodiev
Date: Mon Jan 29 2018 - 08:57:02 EST

This is new System-On-Module platform with universal dimm socket for
easy insertation. The EVB board is designed to be universal with
future modules. Product page is located here [1].

There are two dts files - one for base model and another for eMMC variant.

Base features of A20-SOM204 board includes:
* 1GB DDR3 RAM
* AXP209 PMU
* KSZ9031 Gigabit PHY
* AT24C16 EEPROM
* Status LED
* LCD connector
* GPIO connector

There will be variants with the following options:
* Second LAN8710A Megabit PHY
* 16MB SPI Flash memory
* eMMC card
* ATECC508 crypto device

The EVB board has:
* Debug UART
* MicroSD card connector
* USB-OTG connector
* Two USB host
* RTL8723BS WiFi/BT combo
* IrDA transceiver/receiver
* HDMI connector
* VGA connector
* Megabit ethernet transceiver
* Gigabit ethernet transceiver
* SATA connector
* CAN driver
* CSI camera
* MIC and HP connectors
* PCIe x4 connector
* USB3 connector
* Two UEXT connectors
* Two user LEDs

Some of the features are multiplexed and cannot be used the same time:
CAN and Megabit PHY. Others are not usable with A20 SoC: PCIe and USB3.

[1] https://www.olimex.com/Products/SOM204/

Signed-off-by: Stefan Mavrodiev <stefan@xxxxxxxxxx>
---
Changes for v2:
- Replace license header with SPDX-License-Identifier
- Removed useless pinctrl child nodes
- Removed dual reset for RTL8723BS:
Bluetooth reset will be performed in userspace
- Renamed all leds with same prefix
- Removed duplicate nodes with eMMC dts
- Removed IR_TX pin
- Add some comm

arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/sun7i-a20-olimex-som204-evb.dts | 335 ++++++++++++++++++++++
2 files changed, 336 insertions(+)
create mode 100644 arch/arm/boot/dts/sun7i-a20-olimex-som204-evb.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d0381e9..d88f04d 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -918,6 +918,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
sun7i-a20-m3.dtb \
sun7i-a20-mk808c.dtb \
sun7i-a20-olimex-som-evb.dtb \
+ sun7i-a20-olimex-som204-evb.dtb \
sun7i-a20-olinuxino-lime.dtb \
sun7i-a20-olinuxino-lime2.dtb \
sun7i-a20-olinuxino-lime2-emmc.dtb \
diff --git a/arch/arm/boot/dts/sun7i-a20-olimex-som204-evb.dts b/arch/arm/boot/dts/sun7i-a20-olimex-som204-evb.dts
new file mode 100644
index 0000000..eae8e26
--- /dev/null
+++ b/arch/arm/boot/dts/sun7i-a20-olimex-som204-evb.dts
@@ -0,0 +1,335 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree Source for A20-SOM204-EVB Board
+ *
+ * Copyright (C) 2018 Olimex Ltd.
+ * Author: Stefan Mavrodiev <stefan@xxxxxxxxxx>
+ */
+
+/dts-v1/;
+#include "sun7i-a20.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+ model = "Olimex A20-SOM204-EVB";
+ compatible = "olimex,a20-olimex-som204-evb", "allwinner,sun7i-a20";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart4;
+ serial2 = &uart7;
+ spi0 = &spi1;
+ spi1 = &spi2;
+ ethernet1 = &rtl8723bs;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ hdmi-connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_con_in: endpoint {
+ remote-endpoint = <&hdmi_out_con>;
+ };
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ stat {
+ label = "a20-som204-evb:green:stat";
+ gpios = <&pio 8 0 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+
+ led1 {
+ label = "a20-som204-evb:green:led1";
+ gpios = <&pio 8 10 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+
+ led2 {
+ label = "a20-som204-evb:yellow:led2";
+ gpios = <&pio 8 11 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+ };
+
+ rtl_pwrseq: rtl_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&pio 6 9 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&ahci {
+ target-supply = <&reg_ahci_5v>;
+ status = "okay";
+};
+
+&can0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&can0_pins_a>;
+ status = "okay";
+};
+
+&codec {
+ status = "okay";
+};
+
+&cpu0 {
+ cpu-supply = <&reg_dcdc2>;
+};
+
+&de {
+ status = "okay";
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&gmac {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac_pins_rgmii_a>;
+ phy = <&phy3>;
+ phy-mode = "rgmii";
+ phy-supply = <&reg_vcc3v3>;
+
+ snps,reset-gpio = <&pio 0 17 GPIO_ACTIVE_HIGH>;
+ snps,reset-active-low;
+ snps,reset-delays-us = <0 10000 1000000>;
+ status = "okay";
+
+ phy3: ethernet-phy@3 {
+ reg = <3>;
+ };
+};
+
+&hdmi {
+ status = "okay";
+};
+
+&hdmi_out {
+ hdmi_out_con: endpoint {
+ remote-endpoint = <&hdmi_con_in>;
+ };
+};
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_a>;
+ status = "okay";
+
+ axp209: pmic@34 {
+ reg = <0x34>;
+ interrupt-parent = <&nmi_intc>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
+/* Exposed to UEXT1 */
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins_a>;
+ status = "okay";
+
+ eeprom: eeprom@50 {
+ compatible = "atmel,24c16";
+ reg = <0x50>;
+ pagesize = <16>;
+ };
+};
+
+/* Exposed to UEXT2 */
+&i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins_a>;
+ status = "okay";
+};
+
+&ir0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ir0_rx_pins_a>;
+ status = "okay";
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_a>;
+ vmmc-supply = <&reg_vcc3v3>;
+ bus-width = <4>;
+ cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
+ cd-inverted;
+ status = "okay";
+};
+
+&mmc3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc3_pins_a>;
+ vmmc-supply = <&reg_vcc3v3>;
+ mmc-pwrseq = <&rtl_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+
+ rtl8723bs: sdio_wifi@1 {
+ reg = <1>;
+ };
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&ohci1 {
+ status = "okay";
+};
+
+&otg_sram {
+ status = "okay";
+};
+
+&pio {
+ bt_uart_pins: bt_uart_pins@0 {
+ pins = "PG6", "PG7", "PG8";
+ function = "uart3";
+ };
+};
+
+#include "axp209.dtsi"
+
+&ac_power_supply {
+ status = "okay";
+};
+
+&battery_power_supply {
+ status = "okay";
+};
+
+&reg_ahci_5v {
+ gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+};
+
+&reg_dcdc2 {
+ regulator-always-on;
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc3 {
+ regulator-always-on;
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-name = "vdd-int-dll";
+};
+
+&reg_ldo1 {
+ regulator-always-on;
+ regulator-min-microvolt = <1300000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "avcc";
+};
+
+&reg_ldo4 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc-pg";
+};
+
+&reg_usb0_vbus {
+ gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+};
+
+&reg_usb1_vbus {
+ status = "okay";
+};
+
+&reg_usb2_vbus {
+ status = "okay";
+};
+
+/* Exposed to UEXT1 */
+&spi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi1_pins_a>,
+ <&spi1_cs0_pins_a>;
+ status = "okay";
+};
+
+/* Exposed to UEXT2 */
+&spi2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi2_pins_a>,
+ <&spi2_cs0_pins_a>;
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins_a>;
+ status = "okay";
+};
+
+/* Used for RTL8723BS bluetooth */
+&uart3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&bt_uart_pins>;
+ status = "okay";
+};
+
+/* Exposed to UEXT1 */
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart4_pins_a>;
+ status = "okay";
+};
+
+/* Exposed to UEXT2 */
+&uart7 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart7_pins_a>;
+ status = "okay";
+};
+
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usb_power_supply {
+ status = "okay";
+};
+
+&usbphy {
+ usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
+ usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
+ usb0_vbus_power-supply = <&usb_power_supply>;
+ usb0_vbus-supply = <&reg_usb0_vbus>;
+ usb1_vbus-supply = <&reg_usb1_vbus>;
+ usb2_vbus-supply = <&reg_usb2_vbus>;
+ status = "okay";
+};
--
2.7.4