arm64: dts: meson: Add minimal support for Odroid-N2
This patch adds basic support for : - Amlogic G12B, which is very similar to G12A - The HardKernel Odroid-N2 based on the S922X SoC The Amlogic G12B SoC is very similar with the G12A SoC, sharing most of the features and architecture, but with these differences : - The first CPU cluster only has 2xCortex-A53 instead of 4 - G12B has a second cluster of 4xCortex-A73 - Both cluster can achieve 2GHz instead of 1,8GHz for G12A - CPU Clock architecture is difference, thus needing a different compatible to handle this slight difference - Supports a MIPI CSI input - Embeds a Mali-G52 instead of a Mali-G31, but integration is the same Actual support is done in the same way as for the GXM support, including the G12A dtsi and redefining the CPU clusters. Unlike GXM, the first cluster is different, thus needing to remove the last 2 cpu nodes of the first cluster. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Tested-by: Anand Moon <linux.amoon@gmail.com> [khilman: add vin-supply for vcc_v5 as suggested by Anand Moon] Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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@ -3,6 +3,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-axg-s400.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12a-sei510.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12a-u200.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12a-x96-max.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nexbox-a95x.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-odroidc2.dtb
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290
arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
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290
arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
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@ -0,0 +1,290 @@
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2019 BayLibre, SAS
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* Author: Neil Armstrong <narmstrong@baylibre.com>
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*/
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/dts-v1/;
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#include "meson-g12b.dtsi"
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/gpio/meson-g12a-gpio.h>
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/ {
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compatible = "hardkernel,odroid-n2", "amlogic,g12b";
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model = "Hardkernel ODROID-N2";
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aliases {
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serial0 = &uart_AO;
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ethernet0 = ðmac;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x0 0x0 0x40000000>;
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};
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emmc_pwrseq: emmc-pwrseq {
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compatible = "mmc-pwrseq-emmc";
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reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
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};
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leds {
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compatible = "gpio-leds";
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blue {
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label = "n2:blue";
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gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "heartbeat";
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};
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};
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tflash_vdd: regulator-tflash_vdd {
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compatible = "regulator-fixed";
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regulator-name = "TFLASH_VDD";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio_ao GPIOAO_8 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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tf_io: gpio-regulator-tf_io {
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compatible = "regulator-gpio";
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regulator-name = "TF_IO";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
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gpios-states = <0>;
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states = <3300000 0
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1800000 1>;
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};
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flash_1v8: regulator-flash_1v8 {
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compatible = "regulator-fixed";
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regulator-name = "FLASH_1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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vin-supply = <&vcc_3v3>;
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regulator-always-on;
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};
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main_12v: regulator-main_12v {
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compatible = "regulator-fixed";
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regulator-name = "12V";
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regulator-min-microvolt = <12000000>;
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regulator-max-microvolt = <12000000>;
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regulator-always-on;
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};
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vcc_5v: regulator-vcc_5v {
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compatible = "regulator-fixed";
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regulator-name = "5V";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-always-on;
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vin-supply = <&main_12v>;
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};
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vcc_1v8: regulator-vcc_1v8 {
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compatible = "regulator-fixed";
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regulator-name = "VCC_1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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vin-supply = <&vcc_3v3>;
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regulator-always-on;
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};
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vcc_3v3: regulator-vcc_3v3 {
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compatible = "regulator-fixed";
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regulator-name = "VCC_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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vin-supply = <&vddao_3v3>;
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regulator-always-on;
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/* FIXME: actually controlled by VDDCPU_B_EN */
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};
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hub_5v: regulator-hub_5v {
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compatible = "regulator-fixed";
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regulator-name = "HUB_5V";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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vin-supply = <&vcc_5v>;
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/* Connected to the Hub CHIPENABLE, LOW sets low power state */
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gpio = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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usb_pwr_en: regulator-usb_pwr_en {
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compatible = "regulator-fixed";
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regulator-name = "USB_PWR_EN";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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vin-supply = <&vcc_5v>;
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/* Connected to the microUSB port power enable */
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gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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vddao_1v8: regulator-vddao_1v8 {
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compatible = "regulator-fixed";
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regulator-name = "VDDAO_1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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vin-supply = <&vddao_3v3>;
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regulator-always-on;
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};
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vddao_3v3: regulator-vddao_3v3 {
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compatible = "regulator-fixed";
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regulator-name = "VDDAO_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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vin-supply = <&main_12v>;
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regulator-always-on;
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};
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hdmi-connector {
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compatible = "hdmi-connector";
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type = "a";
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port {
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hdmi_connector_in: endpoint {
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remote-endpoint = <&hdmi_tx_tmds_out>;
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};
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};
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};
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};
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&cec_AO {
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pinctrl-0 = <&cec_ao_a_h_pins>;
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pinctrl-names = "default";
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status = "disabled";
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hdmi-phandle = <&hdmi_tx>;
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};
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&cecb_AO {
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pinctrl-0 = <&cec_ao_b_h_pins>;
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pinctrl-names = "default";
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status = "okay";
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hdmi-phandle = <&hdmi_tx>;
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};
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&ext_mdio {
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external_phy: ethernet-phy@0 {
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/* Realtek RTL8211F (0x001cc916) */
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reg = <0>;
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max-speed = <1000>;
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};
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};
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ðmac {
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pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
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pinctrl-names = "default";
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status = "okay";
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phy-mode = "rgmii";
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phy-handle = <&external_phy>;
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amlogic,tx-delay-ns = <2>;
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};
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&gpio {
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/*
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* WARNING: The USB Hub on the Odroid-N2 needs a reset signal
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* to be turned high in order to be detected by the USB Controller
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* This signal should be handled by a USB specific power sequence
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* in order to reset the Hub when USB bus is powered down.
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*/
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usb-hub {
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gpio-hog;
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gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
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output-high;
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line-name = "usb-hub-reset";
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};
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};
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&hdmi_tx {
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status = "okay";
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pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
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pinctrl-names = "default";
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hdmi-supply = <&vcc_5v>;
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};
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&hdmi_tx_tmds_port {
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hdmi_tx_tmds_out: endpoint {
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remote-endpoint = <&hdmi_connector_in>;
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};
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};
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&ir {
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status = "okay";
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pinctrl-0 = <&remote_input_ao_pins>;
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pinctrl-names = "default";
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};
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/* SD card */
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&sd_emmc_b {
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status = "okay";
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pinctrl-0 = <&sdcard_c_pins>;
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pinctrl-1 = <&sdcard_clk_gate_c_pins>;
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pinctrl-names = "default", "clk-gate";
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bus-width = <4>;
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cap-sd-highspeed;
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max-frequency = <50000000>;
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disable-wp;
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cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
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vmmc-supply = <&tflash_vdd>;
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vqmmc-supply = <&tf_io>;
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};
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/* eMMC */
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&sd_emmc_c {
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status = "okay";
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pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
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pinctrl-1 = <&emmc_clk_gate_pins>;
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pinctrl-names = "default", "clk-gate";
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bus-width = <8>;
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cap-mmc-highspeed;
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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max-frequency = <200000000>;
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disable-wp;
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mmc-pwrseq = <&emmc_pwrseq>;
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vmmc-supply = <&vcc_3v3>;
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vqmmc-supply = <&flash_1v8>;
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};
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&uart_AO {
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status = "okay";
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pinctrl-0 = <&uart_ao_a_pins>;
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pinctrl-names = "default";
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};
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&usb {
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status = "okay";
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vbus-supply = <&usb_pwr_en>;
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};
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&usb2_phy0 {
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phy-supply = <&vcc_5v>;
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};
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&usb2_phy1 {
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/* Enable the hub which is connected to this port */
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phy-supply = <&hub_5v>;
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};
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82
arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
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arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2019 BayLibre, SAS
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* Author: Neil Armstrong <narmstrong@baylibre.com>
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*/
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#include "meson-g12a.dtsi"
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/ {
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compatible = "amlogic,g12b";
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cpus {
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cpu-map {
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cluster0 {
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core0 {
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cpu = <&cpu0>;
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};
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core1 {
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cpu = <&cpu1>;
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};
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};
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cluster1 {
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core0 {
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cpu = <&cpu100>;
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};
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core1 {
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cpu = <&cpu101>;
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};
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core2 {
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cpu = <&cpu102>;
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};
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core3 {
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cpu = <&cpu103>;
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};
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};
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};
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/delete-node/ cpu@2;
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/delete-node/ cpu@3;
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cpu100: cpu@100 {
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device_type = "cpu";
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compatible = "arm,cortex-a73";
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reg = <0x0 0x100>;
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enable-method = "psci";
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next-level-cache = <&l2>;
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};
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cpu101: cpu@101 {
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device_type = "cpu";
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compatible = "arm,cortex-a73";
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reg = <0x0 0x101>;
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enable-method = "psci";
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next-level-cache = <&l2>;
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};
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cpu102: cpu@102 {
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device_type = "cpu";
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compatible = "arm,cortex-a73";
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reg = <0x0 0x102>;
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enable-method = "psci";
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next-level-cache = <&l2>;
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};
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cpu103: cpu@103 {
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device_type = "cpu";
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compatible = "arm,cortex-a73";
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reg = <0x0 0x103>;
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enable-method = "psci";
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next-level-cache = <&l2>;
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};
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};
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};
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&clkc {
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compatible = "amlogic,g12b-clkc";
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};
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