mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d95d6d4713
This adds support for the A20 Hummingbird: http://www.merrii.com/en/pla_d.asp?id=171 This patch enable most on-board peripherals supported on current kernel, such as uart, i2c, spi, pwm, ohci/ehci, gmac and mmc. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
237 lines
4.9 KiB
Plaintext
237 lines
4.9 KiB
Plaintext
/*
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* Copyright 2013 Wills Wang
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*
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* Wills Wang <wills.wang.open@gmail.com>
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/dts-v1/;
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/include/ "sun7i-a20.dtsi"
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/include/ "sunxi-common-regulators.dtsi"
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/ {
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model = "Merrii A20 Hummingbird";
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compatible = "merrii,a20-hummingbird", "allwinner,sun7i-a20";
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soc@01c00000 {
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mmc0: mmc@01c0f000 {
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pinctrl-names = "default";
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pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
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vmmc-supply = <®_vcc3v0>;
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bus-width = <4>;
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cd-gpios = <&pio 7 1 0>; /* PH1 */
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cd-inverted;
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status = "okay";
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};
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mmc3: mmc@01c12000 {
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pinctrl-names = "default";
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pinctrl-0 = <&mmc3_pins_a>;
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vmmc-supply = <®_mmc3_vdd>;
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bus-width = <4>;
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non-removable;
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status = "okay";
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};
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usbphy: phy@01c13400 {
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usb1_vbus-supply = <®_usb1_vbus>;
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usb2_vbus-supply = <®_usb2_vbus>;
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status = "okay";
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};
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ehci0: usb@01c14000 {
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status = "okay";
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};
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ohci0: usb@01c14400 {
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status = "okay";
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};
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ahci: sata@01c18000 {
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target-supply = <®_ahci_5v>;
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status = "okay";
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};
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ehci1: usb@01c1c000 {
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status = "okay";
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};
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ohci1: usb@01c1c400 {
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status = "okay";
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};
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pio: pinctrl@01c20800 {
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ahci_pwr_pin_a20_hummingbird: ahci_pwr_pin@0 {
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allwinner,pins = "PH15";
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allwinner,function = "gpio_out";
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allwinner,drive = <0>;
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allwinner,pull = <0>;
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};
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usb1_vbus_pin_a20_hummingbird: usb1_vbus_pin@0 {
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allwinner,pins = "PH2";
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allwinner,function = "gpio_out";
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allwinner,drive = <0>;
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allwinner,pull = <0>;
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};
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mmc3_vdd_pin_a20_hummingbird: mmc3_vdd_pin@0 {
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allwinner,pins = "PH9";
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allwinner,function = "gpio_out";
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allwinner,drive = <0>;
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allwinner,pull = <0>;
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};
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gmac_vdd_pin_a20_hummingbird: gmac_vdd_pin@0 {
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allwinner,pins = "PH16";
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allwinner,function = "gpio_out";
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allwinner,drive = <0>;
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allwinner,pull = <0>;
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};
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};
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pwm: pwm@01c20e00 {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm0_pins_a>;
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status = "okay";
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};
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ir0: ir@01c21800 {
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pinctrl-names = "default";
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pinctrl-0 = <&ir0_pins_a>;
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status = "okay";
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};
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uart0: serial@01c28000 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_pins_a>;
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status = "okay";
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};
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uart2: serial@01c28800 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart2_pins_a>;
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status = "okay";
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};
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uart3: serial@01c28c00 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart3_pins_a>;
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status = "okay";
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};
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uart4: serial@01c29000 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart4_pins_a>;
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status = "okay";
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};
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uart5: serial@01c29400 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart5_pins_a>;
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status = "okay";
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};
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i2c0: i2c@01c2ac00 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins_a>;
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status = "okay";
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axp209: pmic@34 {
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compatible = "x-powers,axp209";
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reg = <0x34>;
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interrupt-parent = <&nmi_intc>;
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interrupts = <0 8>;
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interrupt-controller;
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#interrupt-cells = <1>;
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};
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};
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i2c1: i2c@01c2b000 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_pins_a>;
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status = "okay";
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};
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i2c2: i2c@01c2b400 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c2_pins_a>;
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status = "okay";
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};
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i2c3: i2c@01c2b800 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c3_pins_a>;
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status = "okay";
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};
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spi2: spi@01c17000 {
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pinctrl-names = "default";
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pinctrl-0 = <&spi2_pins_b>;
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status = "okay";
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};
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gmac: ethernet@01c50000 {
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pinctrl-names = "default";
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pinctrl-0 = <&gmac_pins_rgmii_a>;
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phy = <&phy1>;
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phy-mode = "rgmii";
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phy-supply = <®_gmac_vdd>;
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/* phy reset config */
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snps,reset-gpio = <&pio 0 17 0>; /* PA17 */
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snps,reset-active-low;
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/* wait 1s after reset, otherwise fail to read phy id */
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snps,reset-delays-us = <0 10000 1000000>;
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status = "okay";
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phy1: ethernet-phy@1 {
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reg = <1>;
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};
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};
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};
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reg_ahci_5v: ahci-5v {
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pinctrl-0 = <&ahci_pwr_pin_a20_hummingbird>;
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gpio = <&pio 7 15 0>; /* PH15 */
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status = "okay";
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};
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reg_usb1_vbus: usb1-vbus {
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pinctrl-0 = <&usb1_vbus_pin_a20_hummingbird>;
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gpio = <&pio 7 2 0>; /* PH2 */
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status = "okay";
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};
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reg_usb2_vbus: usb2-vbus {
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status = "okay";
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};
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reg_mmc3_vdd: mmc3_vdd {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&mmc3_vdd_pin_a20_hummingbird>;
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regulator-name = "mmc3_vdd";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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enable-active-high;
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gpio = <&pio 7 9 0>; /* PH9 */
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};
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reg_gmac_vdd: gmac_vdd {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&gmac_vdd_pin_a20_hummingbird>;
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regulator-name = "gmac_vdd";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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enable-active-high;
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gpio = <&pio 7 16 0>; /* PH16 */
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};
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};
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