Merge tag 'u-boot-amlogic-20190423' of git://git.denx.de/u-boot-amlogic

- Add support for Amlogic p200 & p201 Reference Designs
- Add Amlogic SoC information display
- Add support for the Libretech-AC AML-S805X-AC board
- Add Amlogic AXG reset compatible
- Add I2C support for Amlogic AXG
- Fix AXG PIN and BANK pinctrl definitions
- Fix regmap_read_poll_timeout warning about sandbox_timer_add_offset
- Add initial support for Amlogic G12A SoC and U200 board
- Enable PHY_REALTEK for selected boards
- Fix Khadas VIM2 README

16 files changed, 1418 insertions, 13 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 5fe998914a..1452fd2189 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -97,11 +97,15 @@ dtb-$(CONFIG_ARCH_MESON) += \
 	meson-gxbb-nanopi-k2.dtb \
 	meson-gxbb-odroidc2.dtb \
 	meson-gxbb-nanopi-k2.dtb \
+	meson-gxbb-p200.dtb \
+	meson-gxbb-p201.dtb \
 	meson-gxl-s905x-p212.dtb \
+	meson-gxl-s805x-libretech-ac.dtb \
 	meson-gxl-s905x-libretech-cc.dtb \
 	meson-gxl-s905x-khadas-vim.dtb \
 	meson-gxm-khadas-vim2.dtb \
-	meson-axg-s400.dtb
+	meson-axg-s400.dtb \
+	meson-g12a-u200.dtb
 dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
 	tegra20-medcom-wide.dtb \
 	tegra20-paz00.dtb \
diff --git a/arch/arm/dts/meson-g12a-u200.dts b/arch/arm/dts/meson-g12a-u200.dts
new file mode 100644
index 0000000000..c44dbdddf2
--- /dev/null
+++ b/arch/arm/dts/meson-g12a-u200.dts
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Amlogic, Inc. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "meson-g12a.dtsi"
+
+/ {
+	compatible = "amlogic,u200", "amlogic,g12a";
+	model = "Amlogic Meson G12A U200 Development Board";
+
+	aliases {
+		serial0 = &uart_AO;
+	};
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x40000000>;
+	};
+};
+
+&uart_AO {
+	status = "okay";
+};
+
diff --git a/arch/arm/dts/meson-g12a.dtsi b/arch/arm/dts/meson-g12a.dtsi
new file mode 100644
index 0000000000..17c6217f8a
--- /dev/null
+++ b/arch/arm/dts/meson-g12a.dtsi
@@ -0,0 +1,192 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Amlogic, Inc. All rights reserved.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	compatible = "amlogic,g12a";
+
+	interrupt-parent = <&gic>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpus {
+		#address-cells = <0x2>;
+		#size-cells = <0x0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x0>;
+			enable-method = "psci";
+			next-level-cache = <&l2>;
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x1>;
+			enable-method = "psci";
+			next-level-cache = <&l2>;
+		};
+
+		cpu2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x2>;
+			enable-method = "psci";
+			next-level-cache = <&l2>;
+		};
+
+		cpu3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x3>;
+			enable-method = "psci";
+			next-level-cache = <&l2>;
+		};
+
+		l2: l2-cache0 {
+			compatible = "cache";
+		};
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* 3 MiB reserved for ARM Trusted Firmware (BL31) */
+		secmon_reserved: secmon@5000000 {
+			reg = <0x0 0x05000000 0x0 0x300000>;
+			no-map;
+		};
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		apb: bus@ff600000 {
+			compatible = "simple-bus";
+			reg = <0x0 0xff600000 0x0 0x200000>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges = <0x0 0x0 0x0 0xff600000 0x0 0x200000>;
+
+			periphs: bus@34400 {
+				compatible = "simple-bus";
+				reg = <0x0 0x34400 0x0 0x400>;
+				#address-cells = <2>;
+				#size-cells = <2>;
+				ranges = <0x0 0x0 0x0 0x34400 0x0 0x400>;
+			};
+
+			hiu: bus@3c000 {
+				compatible = "simple-bus";
+				reg = <0x0 0x3c000 0x0 0x1400>;
+				#address-cells = <2>;
+				#size-cells = <2>;
+				ranges = <0x0 0x0 0x0 0x3c000 0x0 0x1400>;
+
+				hhi: system-controller@0 {
+					compatible = "amlogic,meson-gx-hhi-sysctrl",
+						     "simple-mfd", "syscon";
+					reg = <0 0 0 0x400>;
+
+					clkc: clock-controller {
+						compatible = "amlogic,g12a-clkc";
+						#clock-cells = <1>;
+						clocks = <&xtal>;
+						clock-names = "xtal";
+					};
+				};
+			};
+		};
+
+		aobus: bus@ff800000 {
+			compatible = "simple-bus";
+			reg = <0x0 0xff800000 0x0 0x100000>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges = <0x0 0x0 0x0 0xff800000 0x0 0x100000>;
+
+			uart_AO: serial@3000 {
+				compatible = "amlogic,meson-gx-uart",
+					     "amlogic,meson-ao-uart";
+				reg = <0x0 0x3000 0x0 0x18>;
+				interrupts = <GIC_SPI 193 IRQ_TYPE_EDGE_RISING>;
+				clocks = <&xtal>, <&xtal>, <&xtal>;
+				clock-names = "xtal", "pclk", "baud";
+				status = "disabled";
+			};
+
+			uart_AO_B: serial@4000 {
+				compatible = "amlogic,meson-gx-uart",
+					     "amlogic,meson-ao-uart";
+				reg = <0x0 0x4000 0x0 0x18>;
+				interrupts = <GIC_SPI 197 IRQ_TYPE_EDGE_RISING>;
+				clocks = <&xtal>, <&xtal>, <&xtal>;
+				clock-names = "xtal", "pclk", "baud";
+				status = "disabled";
+			};
+		};
+
+		gic: interrupt-controller@ffc01000 {
+			compatible = "arm,gic-400";
+			reg = <0x0 0xffc01000 0 0x1000>,
+			      <0x0 0xffc02000 0 0x2000>,
+			      <0x0 0xffc04000 0 0x2000>,
+			      <0x0 0xffc06000 0 0x2000>;
+			interrupt-controller;
+			interrupts = <GIC_PPI 9
+				(GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_HIGH)>;
+			#interrupt-cells = <3>;
+			#address-cells = <0>;
+		};
+
+		cbus: bus@ffd00000 {
+			compatible = "simple-bus";
+			reg = <0x0 0xffd00000 0x0 0x100000>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges = <0x0 0x0 0x0 0xffd00000 0x0 0x100000>;
+
+			clk_msr: clock-measure@18000 {
+				compatible = "amlogic,meson-g12a-clk-measure";
+				reg = <0x0 0x18000 0x0 0x10>;
+			};
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13
+			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14
+			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11
+			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10
+			(GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+
+	xtal: xtal-clk {
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		clock-output-names = "xtal";
+		#clock-cells = <0>;
+	};
+
+};
diff --git a/arch/arm/dts/meson-gxbb-p200-u-boot.dtsi b/arch/arm/dts/meson-gxbb-p200-u-boot.dtsi
new file mode 100644
index 0000000000..c35158d7e9
--- /dev/null
+++ b/arch/arm/dts/meson-gxbb-p200-u-boot.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include "meson-gx-u-boot.dtsi"
diff --git a/arch/arm/dts/meson-gxbb-p200.dts b/arch/arm/dts/meson-gxbb-p200.dts
new file mode 100644
index 0000000000..9d2406a7c4
--- /dev/null
+++ b/arch/arm/dts/meson-gxbb-p200.dts
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2016 Andreas Färber
+ * Copyright (c) 2016 BayLibre, Inc.
+ * Author: Kevin Hilman <khilman@kernel.org>
+ */
+
+/dts-v1/;
+
+#include "meson-gxbb-p20x.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "amlogic,p200", "amlogic,meson-gxbb";
+	model = "Amlogic Meson GXBB P200 Development Board";
+
+	avdd18_usb_adc: regulator-avdd18_usb_adc {
+		compatible = "regulator-fixed";
+		regulator-name = "AVDD18_USB_ADC";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	adc_keys {
+		compatible = "adc-keys";
+		io-channels = <&saradc 0>;
+		io-channel-names = "buttons";
+		keyup-threshold-microvolt = <1800000>;
+
+		button-home {
+			label = "Home";
+			linux,code = <KEY_HOME>;
+			press-threshold-microvolt = <900000>; /* 50% */
+		};
+
+		button-esc {
+			label = "Esc";
+			linux,code = <KEY_ESC>;
+			press-threshold-microvolt = <684000>; /* 38% */
+		};
+
+		button-up {
+			label = "Volume Up";
+			linux,code = <KEY_VOLUMEUP>;
+			press-threshold-microvolt = <468000>; /* 26% */
+		};
+
+		button-down {
+			label = "Volume Down";
+			linux,code = <KEY_VOLUMEDOWN>;
+			press-threshold-microvolt = <252000>; /* 14% */
+		};
+
+		button-menu {
+			label = "Menu";
+			linux,code = <KEY_MENU>;
+			press-threshold-microvolt = <0>; /* 0% */
+		};
+	};
+};
+
+&ethmac {
+	status = "okay";
+	pinctrl-0 = <&eth_rgmii_pins>;
+	pinctrl-names = "default";
+	phy-handle = <&eth_phy0>;
+	phy-mode = "rgmii";
+
+	amlogic,tx-delay-ns = <2>;
+
+	snps,reset-gpio = <&gpio GPIOZ_14 0>;
+	snps,reset-delays-us = <0 10000 1000000>;
+	snps,reset-active-low;
+
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		eth_phy0: ethernet-phy@3 {
+			/* Micrel KSZ9031 (0x00221620) */
+			reg = <3>;
+			interrupt-parent = <&gpio_intc>;
+			/* MAC_INTR on GPIOZ_15 */
+			interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
+		};
+	};
+};
+
+&i2c_B {
+	status = "okay";
+	pinctrl-0 = <&i2c_b_pins>;
+	pinctrl-names = "default";
+};
+
+&saradc {
+	status = "okay";
+	vref-supply = <&avdd18_usb_adc>;
+};
diff --git a/arch/arm/dts/meson-gxbb-p201-u-boot.dtsi b/arch/arm/dts/meson-gxbb-p201-u-boot.dtsi
new file mode 100644
index 0000000000..c35158d7e9
--- /dev/null
+++ b/arch/arm/dts/meson-gxbb-p201-u-boot.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include "meson-gx-u-boot.dtsi"
diff --git a/arch/arm/dts/meson-gxbb-p201.dts b/arch/arm/dts/meson-gxbb-p201.dts
new file mode 100644
index 0000000000..56e0dd1ff5
--- /dev/null
+++ b/arch/arm/dts/meson-gxbb-p201.dts
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2016 Andreas Färber
+ * Copyright (c) 2016 BayLibre, Inc.
+ * Author: Kevin Hilman <khilman@kernel.org>
+ */
+
+/dts-v1/;
+
+#include "meson-gxbb-p20x.dtsi"
+
+/ {
+	compatible = "amlogic,p201", "amlogic,meson-gxbb";
+	model = "Amlogic Meson GXBB P201 Development Board";
+};
+
+&ethmac {
+	status = "okay";
+	pinctrl-0 = <&eth_rmii_pins>;
+	pinctrl-names = "default";
+	phy-mode = "rmii";
+
+	snps,reset-gpio = <&gpio GPIOZ_14 0>;
+	snps,reset-delays-us = <0 10000 1000000>;
+	snps,reset-active-low;
+};
diff --git a/arch/arm/dts/meson-gxbb-p20x.dtsi b/arch/arm/dts/meson-gxbb-p20x.dtsi
new file mode 100644
index 0000000000..0be0f2a5d2
--- /dev/null
+++ b/arch/arm/dts/meson-gxbb-p20x.dtsi
@@ -0,0 +1,247 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2016 Andreas Färber
+ * Copyright (c) 2016 BayLibre, Inc.
+ * Author: Kevin Hilman <khilman@kernel.org>
+ */
+
+#include "meson-gxbb.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uart_AO;
+		ethernet0 = &ethmac;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x40000000>;
+	};
+
+	usb_pwr: regulator-usb-pwrs {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB_PWR";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+
+		/* signal name in schematic: USB_PWR_EN */
+		gpio = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	vddio_card: gpio-regulator {
+		compatible = "regulator-gpio";
+
+		regulator-name = "VDDIO_CARD";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
+		gpios-states = <1>;
+
+		/* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */
+		states = <1800000 0
+			  3300000 1>;
+
+		regulator-settling-time-up-us = <10000>;
+		regulator-settling-time-down-us = <150000>;
+	};
+
+	vddio_boot: regulator-vddio_boot {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_BOOT";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	vddao_3v3: regulator-vddao_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDAO_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	vcc_3v3: regulator-vcc_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+	};
+
+	wifi32k: wifi32k {
+		compatible = "pwm-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+		clocks = <&wifi32k>;
+		clock-names = "ext_clock";
+	};
+
+	cvbs_connector: cvbs-connector {
+		compatible = "composite-video-connector";
+
+		port {
+			cvbs_connector_in: endpoint {
+				remote-endpoint = <&cvbs_vdac_out>;
+			};
+		};
+	};
+
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&hdmi_tx_tmds_out>;
+			};
+		};
+	};
+};
+
+&cec_AO {
+	status = "okay";
+	pinctrl-0 = <&ao_cec_pins>;
+	pinctrl-names = "default";
+	hdmi-phandle = <&hdmi_tx>;
+};
+
+&cvbs_vdac_port {
+	cvbs_vdac_out: endpoint {
+		remote-endpoint = <&cvbs_connector_in>;
+	};
+};
+
+&hdmi_tx {
+	status = "okay";
+	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
+	pinctrl-names = "default";
+};
+
+&hdmi_tx_tmds_port {
+	hdmi_tx_tmds_out: endpoint {
+		remote-endpoint = <&hdmi_connector_in>;
+	};
+};
+
+&ir {
+	status = "okay";
+	pinctrl-0 = <&remote_input_ao_pins>;
+	pinctrl-names = "default";
+};
+
+&pwm_ef {
+	status = "okay";
+	pinctrl-0 = <&pwm_e_pins>;
+	pinctrl-names = "default";
+	clocks = <&clkc CLKID_FCLK_DIV4>;
+	clock-names = "clkin0";
+};
+
+/* Wireless SDIO Module */
+&sd_emmc_a {
+	status = "okay";
+	pinctrl-0 = <&sdio_pins>;
+	pinctrl-1 = <&sdio_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	max-frequency = <100000000>;
+
+	non-removable;
+	disable-wp;
+
+	mmc-pwrseq = <&sdio_pwrseq>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
+};
+
+/* SD card */
+&sd_emmc_b {
+	status = "okay";
+	pinctrl-0 = <&sdcard_pins>;
+	pinctrl-1 = <&sdcard_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	sd-uhs-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	max-frequency = <100000000>;
+	disable-wp;
+
+	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddio_card>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+	status = "okay";
+	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
+	pinctrl-1 = <&emmc_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	max-frequency = <200000000>;
+	non-removable;
+	disable-wp;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+
+	mmc-pwrseq = <&emmc_pwrseq>;
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+};
+
+/* This UART is brought out to the DB9 connector */
+&uart_AO {
+	status = "okay";
+	pinctrl-0 = <&uart_ao_a_pins>;
+	pinctrl-names = "default";
+};
+
+&usb0_phy {
+	status = "okay";
+	phy-supply = <&usb_pwr>;
+};
+
+&usb1_phy {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};
diff --git a/arch/arm/dts/meson-gxl-s805x-libretech-ac.dts b/arch/arm/dts/meson-gxl-s805x-libretech-ac.dts
new file mode 100644
index 0000000000..82b1c48511
--- /dev/null
+++ b/arch/arm/dts/meson-gxl-s805x-libretech-ac.dts
@@ -0,0 +1,248 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ * Author: Jerome Brunet <jbrunet@baylibre.com>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+
+#include "meson-gxl-s905x.dtsi"
+
+/ {
+	compatible = "libretech,aml-s805x-ac", "amlogic,s805x",
+		     "amlogic,meson-gxl";
+	model = "Libre Computer Board AML-S805X-AC";
+
+	aliases {
+		serial0 = &uart_AO;
+		ethernet0 = &ethmac;
+		spi0 = &spifc;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	cvbs-connector {
+		/*
+		 * The pads are present but no connector is soldered on
+		 * 2J2, so keep this off by default.
+		 */
+		status = "disabled";
+		compatible = "composite-video-connector";
+
+		port {
+			cvbs_connector_in: endpoint {
+				remote-endpoint = <&cvbs_vdac_out>;
+			};
+		};
+	};
+
+	dc_5v: regulator-dc_5v {
+		compatible = "regulator-fixed";
+		regulator-name = "DC_5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+	};
+
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&hdmi_tx_tmds_out>;
+			};
+		};
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x20000000>;
+	};
+
+	vcck: regulator-vcck {
+		compatible = "regulator-fixed";
+		regulator-name = "VCCK";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&dc_5v>;
+
+		/*
+		 * This is controlled by GPIOAO_9 we reserve this but
+		 * claiming it as done below reset the board anyway
+		 * Need to investigate this
+		 *
+		 * gpio = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
+		 * enable-active-high;
+		 */
+		regulator-always-on;
+	};
+
+	vcc_3v3: regulator-vcc_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&dc_5v>;
+		regulator-always-on;
+	};
+
+	vddio_boot: regulator-vddio_boot {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_BOOT";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc_3v3>;
+		regulator-always-on;
+	};
+};
+
+&cec_AO {
+	status = "okay";
+	pinctrl-0 = <&ao_cec_pins>;
+	pinctrl-names = "default";
+	hdmi-phandle = <&hdmi_tx>;
+};
+
+&cvbs_vdac_port {
+	cvbs_vdac_out: endpoint {
+		remote-endpoint = <&cvbs_connector_in>;
+	};
+};
+
+&ethmac {
+	status = "okay";
+};
+
+&internal_phy {
+	pinctrl-0 = <&eth_link_led_pins>, <&eth_act_led_pins>;
+	pinctrl-names = "default";
+};
+
+&ir {
+	status = "okay";
+	pinctrl-0 = <&remote_input_ao_pins>;
+	pinctrl-names = "default";
+};
+
+&hdmi_tx {
+	status = "okay";
+	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
+	pinctrl-names = "default";
+};
+
+&hdmi_tx_tmds_port {
+	hdmi_tx_tmds_out: endpoint {
+		remote-endpoint = <&hdmi_connector_in>;
+	};
+};
+
+&gpio_ao {
+	gpio-line-names = "UART TX",
+			  "UART RX",
+			  "7J1 Header Pin31",
+			  "", "", "", "",
+			  "IR In",
+			  "HDMI CEC",
+			  "5V VCCK Regulator",
+			  /* GPIO_TEST_N */
+			  "";
+};
+
+&gpio {
+	gpio-line-names = /* Bank GPIOZ */
+			  "", "", "", "", "", "", "",
+			  "", "", "", "", "", "", "",
+			  "Eth Link LED", "Eth Activity LED",
+			  /* Bank GPIOH */
+			  "HDMI HPD", "HDMI SDA", "HDMI SCL",
+			  "", "7J1 Header Pin13",
+			  "7J1 Header Pin15",
+			  "7J1 Header Pin7",
+			  "7J1 Header Pin12",
+			  "7J1 Header Pin16",
+			  "7J1 Header Pin18",
+			  /* Bank BOOT */
+			  "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
+			  "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
+			  "eMMC Clk", "eMMC Reset", "eMMC CMD",
+			  "SPI NOR MOSI", "SPI NOR MISO", "SPI NOR Clk",
+			  "", "SPI NOR Chip Select",
+			  /* Bank CARD */
+			  "", "", "", "", "", "", "",
+			  /* Bank GPIODV */
+			  "", "", "", "", "", "", "", "", "", "", "", "",
+			  "", "", "", "", "", "", "", "", "", "", "", "",
+			  "7J1 Header Pin27", "7J1 Header Pin28", "",
+			  "7J1 Header Pin29",
+			  "VCCK Regulator", "VDDEE Regulator",
+			  /* Bank GPIOX */
+			  "7J1 Header Pin22", "7J1 Header Pin26",
+			  "7J1 Header Pin36", "7J1 Header Pin38",
+			  "7J1 Header Pin40", "7J1 Header Pin37",
+			  "7J1 Header Pin33", "7J1 Header Pin35",
+			  "7J1 Header Pin19", "7J1 Header Pin21",
+			  "7J1 Header Pin24", "7J1 Header Pin23",
+			  "7J1 Header Pin8", "7J1 Header Pin10",
+			  "", "", "7J1 Header Pin32", "", "",
+			  /* Bank GPIOCLK */
+			  "", "";
+};
+
+&saradc {
+	status = "okay";
+	vref-supply = <&vddio_boot>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+	status = "okay";
+	pinctrl-0 = <&emmc_pins>;
+	pinctrl-1 = <&emmc_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	max-frequency = <200000000>;
+	disable-wp;
+
+	mmc-pwrseq = <&emmc_pwrseq>;
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+};
+
+&spifc {
+	status = "okay";
+	pinctrl-0 = <&nor_pins>;
+	pinctrl-names = "default";
+
+	w25q32: spi-flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <3000000>;
+	};
+};
+
+&uart_AO {
+	status = "okay";
+	pinctrl-0 = <&uart_ao_a_pins>;
+	pinctrl-names = "default";
+};
+
+&usb0 {
+	status = "okay";
+};
diff --git a/arch/arm/dts/meson-gxl.dtsi b/arch/arm/dts/meson-gxl.dtsi
index 8f0bb3c44b..d5c3d78aaf 100644
--- a/arch/arm/dts/meson-gxl.dtsi
+++ b/arch/arm/dts/meson-gxl.dtsi
@@ -75,6 +75,10 @@
 	};
 };
 
+&efuse {
+	clocks = <&clkc CLKID_EFUSE>;
+};
+
 &ethmac {
 	reg = <0x0 0xc9410000 0x0 0x10000
 	       0x0 0xc8834540 0x0 0x4>;
@@ -112,6 +116,7 @@
 			mux {
 				groups = "uart_tx_ao_a", "uart_rx_ao_a";
 				function = "uart_ao";
+				bias-disable;
 			};
 		};
 
@@ -120,6 +125,7 @@
 				groups = "uart_cts_ao_a",
 				       "uart_rts_ao_a";
 				function = "uart_ao";
+				bias-disable;
 			};
 		};
 
@@ -127,6 +133,7 @@
 			mux {
 				groups = "uart_tx_ao_b", "uart_rx_ao_b";
 				function = "uart_ao_b";
+				bias-disable;
 			};
 		};
 
@@ -134,6 +141,7 @@
 			mux {
 				groups = "uart_tx_ao_b_0", "uart_rx_ao_b_1";
 				function = "uart_ao_b";
+				bias-disable;
 			};
 		};
 
@@ -142,6 +150,7 @@
 				groups = "uart_cts_ao_b",
 				       "uart_rts_ao_b";
 				function = "uart_ao_b";
+				bias-disable;
 			};
 		};
 
@@ -149,6 +158,7 @@
 			mux {
 				groups = "remote_input_ao";
 				function = "remote_input_ao";
+				bias-disable;
 			};
 		};
 
@@ -157,6 +167,7 @@
 				groups = "i2c_sck_ao",
 				       "i2c_sda_ao";
 				function = "i2c_ao";
+				bias-disable;
 			};
 		};
 
@@ -164,6 +175,7 @@
 			mux {
 				groups = "pwm_ao_a_3";
 				function = "pwm_ao_a";
+				bias-disable;
 			};
 		};
 
@@ -171,6 +183,7 @@
 			mux {
 				groups = "pwm_ao_a_8";
 				function = "pwm_ao_a";
+				bias-disable;
 			};
 		};
 
@@ -178,6 +191,7 @@
 			mux {
 				groups = "pwm_ao_b";
 				function = "pwm_ao_b";
+				bias-disable;
 			};
 		};
 
@@ -185,6 +199,7 @@
 			mux {
 				groups = "pwm_ao_b_6";
 				function = "pwm_ao_b";
+				bias-disable;
 			};
 		};
 
@@ -192,6 +207,7 @@
 			mux {
 				groups = "i2s_out_ch23_ao";
 				function = "i2s_out_ao";
+				bias-disable;
 			};
 		};
 
@@ -199,6 +215,7 @@
 			mux {
 				groups = "i2s_out_ch45_ao";
 				function = "i2s_out_ao";
+				bias-disable;
 			};
 		};
 
@@ -206,6 +223,7 @@
 			mux {
 				groups = "spdif_out_ao_6";
 				function = "spdif_out_ao";
+				bias-disable;
 			};
 		};
 
@@ -213,6 +231,7 @@
 			mux {
 				groups = "spdif_out_ao_9";
 				function = "spdif_out_ao";
+				bias-disable;
 			};
 		};
 
@@ -220,6 +239,7 @@
 			mux {
 				groups = "ao_cec";
 				function = "cec_ao";
+				bias-disable;
 			};
 		};
 
@@ -227,6 +247,7 @@
 			mux {
 				groups = "ee_cec";
 				function = "cec_ao";
+				bias-disable;
 			};
 		};
 	};
@@ -239,6 +260,8 @@
 
 &clkc_AO {
 	compatible = "amlogic,meson-gxl-aoclkc", "amlogic,meson-gx-aoclkc";
+	clocks = <&xtal>, <&clkc CLKID_CLK81>;
+	clock-names = "xtal", "mpeg-clk";
 };
 
 &gpio_intc {
@@ -263,6 +286,8 @@
 	clkc: clock-controller {
 		compatible = "amlogic,gxl-clkc";
 		#clock-cells = <1>;
+		clocks = <&xtal>;
+		clock-names = "xtal";
 	};
 };
 
@@ -306,6 +331,7 @@
 				       "emmc_cmd",
 				       "emmc_clk";
 				function = "emmc";
+				bias-disable;
 			};
 		};
 
@@ -313,6 +339,7 @@
 			mux {
 				groups = "emmc_ds";
 				function = "emmc";
+				bias-disable;
 			};
 		};
 
@@ -320,9 +347,6 @@
 			mux {
 				groups = "BOOT_8";
 				function = "gpio_periphs";
-			};
-			cfg-pull-down {
-				pins = "BOOT_8";
 				bias-pull-down;
 			};
 		};
@@ -334,6 +358,7 @@
 				       "nor_c",
 				       "nor_cs";
 				function = "nor";
+				bias-disable;
 			};
 		};
 
@@ -343,6 +368,7 @@
 					"spi_mosi",
 					"spi_sclk";
 				function = "spi";
+				bias-disable;
 			};
 		};
 
@@ -350,6 +376,7 @@
 			mux {
 				groups = "spi_ss0";
 				function = "spi";
+				bias-disable;
 			};
 		};
 
@@ -362,6 +389,7 @@
 				       "sdcard_cmd",
 				       "sdcard_clk";
 				function = "sdcard";
+				bias-disable;
 			};
 		};
 
@@ -369,9 +397,6 @@
 			mux {
 				groups = "CARD_2";
 				function = "gpio_periphs";
-			};
-			cfg-pull-down {
-				pins = "CARD_2";
 				bias-pull-down;
 			};
 		};
@@ -385,6 +410,7 @@
 				       "sdio_cmd",
 				       "sdio_clk";
 				function = "sdio";
+				bias-disable;
 			};
 		};
 
@@ -392,9 +418,6 @@
 			mux {
 				groups = "GPIOX_4";
 				function = "gpio_periphs";
-			};
-			cfg-pull-down {
-				pins = "GPIOX_4";
 				bias-pull-down;
 			};
 		};
@@ -403,6 +426,7 @@
 			mux {
 				groups = "sdio_irq";
 				function = "sdio";
+				bias-disable;
 			};
 		};
 
@@ -411,6 +435,7 @@
 				groups = "uart_tx_a",
 				       "uart_rx_a";
 				function = "uart_a";
+				bias-disable;
 			};
 		};
 
@@ -419,6 +444,7 @@
 				groups = "uart_cts_a",
 				       "uart_rts_a";
 				function = "uart_a";
+				bias-disable;
 			};
 		};
 
@@ -427,6 +453,7 @@
 				groups = "uart_tx_b",
 				       "uart_rx_b";
 				function = "uart_b";
+				bias-disable;
 			};
 		};
 
@@ -435,6 +462,7 @@
 				groups = "uart_cts_b",
 				       "uart_rts_b";
 				function = "uart_b";
+				bias-disable;
 			};
 		};
 
@@ -443,6 +471,7 @@
 				groups = "uart_tx_c",
 				       "uart_rx_c";
 				function = "uart_c";
+				bias-disable;
 			};
 		};
 
@@ -451,6 +480,7 @@
 				groups = "uart_cts_c",
 				       "uart_rts_c";
 				function = "uart_c";
+				bias-disable;
 			};
 		};
 
@@ -459,6 +489,7 @@
 				groups = "i2c_sck_a",
 				     "i2c_sda_a";
 				function = "i2c_a";
+				bias-disable;
 			};
 		};
 
@@ -467,6 +498,7 @@
 				groups = "i2c_sck_b",
 				      "i2c_sda_b";
 				function = "i2c_b";
+				bias-disable;
 			};
 		};
 
@@ -475,6 +507,7 @@
 				groups = "i2c_sck_c",
 				      "i2c_sda_c";
 				function = "i2c_c";
+				bias-disable;
 			};
 		};
 
@@ -495,6 +528,7 @@
 				       "eth_txd2",
 				       "eth_txd3";
 				function = "eth";
+				bias-disable;
 			};
 		};
 
@@ -502,6 +536,7 @@
 			mux {
 				groups = "eth_link_led";
 				function = "eth_led";
+				bias-disable;
 			};
 		};
 
@@ -516,6 +551,7 @@
 			mux {
 				groups = "pwm_a";
 				function = "pwm_a";
+				bias-disable;
 			};
 		};
 
@@ -523,6 +559,7 @@
 			mux {
 				groups = "pwm_b";
 				function = "pwm_b";
+				bias-disable;
 			};
 		};
 
@@ -530,6 +567,7 @@
 			mux {
 				groups = "pwm_c";
 				function = "pwm_c";
+				bias-disable;
 			};
 		};
 
@@ -537,6 +575,7 @@
 			mux {
 				groups = "pwm_d";
 				function = "pwm_d";
+				bias-disable;
 			};
 		};
 
@@ -544,6 +583,7 @@
 			mux {
 				groups = "pwm_e";
 				function = "pwm_e";
+				bias-disable;
 			};
 		};
 
@@ -551,6 +591,7 @@
 			mux {
 				groups = "pwm_f_clk";
 				function = "pwm_f";
+				bias-disable;
 			};
 		};
 
@@ -558,6 +599,7 @@
 			mux {
 				groups = "pwm_f_x";
 				function = "pwm_f";
+				bias-disable;
 			};
 		};
 
@@ -565,6 +607,7 @@
 			mux {
 				groups = "hdmi_hpd";
 				function = "hdmi_hpd";
+				bias-disable;
 			};
 		};
 
@@ -572,6 +615,7 @@
 			mux {
 				groups = "hdmi_sda", "hdmi_scl";
 				function = "hdmi_i2c";
+				bias-disable;
 			};
 		};
 
@@ -579,6 +623,7 @@
 			mux {
 				groups = "i2s_am_clk";
 				function = "i2s_out";
+				bias-disable;
 			};
 		};
 
@@ -586,6 +631,7 @@
 			mux {
 				groups = "i2s_out_ao_clk";
 				function = "i2s_out";
+				bias-disable;
 			};
 		};
 
@@ -593,6 +639,7 @@
 			mux {
 				groups = "i2s_out_lr_clk";
 				function = "i2s_out";
+				bias-disable;
 			};
 		};
 
@@ -600,12 +647,14 @@
 			mux {
 				groups = "i2s_out_ch01";
 				function = "i2s_out";
+				bias-disable;
 			};
 		};
 		i2sout_ch23_z_pins: i2sout_ch23_z {
 			mux {
 				groups = "i2sout_ch23_z";
 				function = "i2s_out";
+				bias-disable;
 			};
 		};
 
@@ -613,6 +662,7 @@
 			mux {
 				groups = "i2sout_ch45_z";
 				function = "i2s_out";
+				bias-disable;
 			};
 		};
 
@@ -620,6 +670,7 @@
 			mux {
 				groups = "i2sout_ch67_z";
 				function = "i2s_out";
+				bias-disable;
 			};
 		};
 
@@ -627,6 +678,7 @@
 			mux {
 				groups = "spdif_out_h";
 				function = "spdif_out";
+				bias-disable;
 			};
 		};
 	};
diff --git a/arch/arm/include/asm/arch-meson/clock-g12a.h b/arch/arm/include/asm/arch-meson/clock-g12a.h
new file mode 100644
index 0000000000..d52e27e008
--- /dev/null
+++ b/arch/arm/include/asm/arch-meson/clock-g12a.h
@@ -0,0 +1,104 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2016 - AmLogic, Inc.
+ * Copyright 2018 - Beniamino Galvani <b.galvani@gmail.com>
+ * Copyright 2018 - BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+#ifndef _ARCH_MESON_CLOCK_G12A_H_
+#define _ARCH_MESON_CLOCK_G12A_H_
+
+/*
+ * Clock controller register offsets
+ *
+ * Register offsets from the data sheet are listed in comment blocks below.
+ * Those offsets must be multiplied by 4 before adding them to the base address
+ * to get the right value
+ */
+
+#define HHI_MIPI_CNTL0			0x000
+#define HHI_MIPI_CNTL1			0x004
+#define HHI_MIPI_CNTL2			0x008
+#define HHI_MIPI_STS			0x00C
+#define HHI_GP0_PLL_CNTL0		0x040
+#define HHI_GP0_PLL_CNTL1		0x044
+#define HHI_GP0_PLL_CNTL2		0x048
+#define HHI_GP0_PLL_CNTL3		0x04C
+#define HHI_GP0_PLL_CNTL4		0x050
+#define HHI_GP0_PLL_CNTL5		0x054
+#define HHI_GP0_PLL_CNTL6		0x058
+#define HHI_GP0_PLL_STS			0x05C
+#define HHI_PCIE_PLL_CNTL0		0x098
+#define HHI_PCIE_PLL_CNTL1		0x09C
+#define HHI_PCIE_PLL_CNTL2		0x0A0
+#define HHI_PCIE_PLL_CNTL3		0x0A4
+#define HHI_PCIE_PLL_CNTL4		0x0A8
+#define HHI_PCIE_PLL_CNTL5		0x0AC
+#define HHI_PCIE_PLL_STS		0x0B8
+#define HHI_HIFI_PLL_CNTL0		0x0D8
+#define HHI_HIFI_PLL_CNTL1		0x0DC
+#define HHI_HIFI_PLL_CNTL2		0x0E0
+#define HHI_HIFI_PLL_CNTL3		0x0E4
+#define HHI_HIFI_PLL_CNTL4		0x0E8
+#define HHI_HIFI_PLL_CNTL5		0x0EC
+#define HHI_HIFI_PLL_CNTL6		0x0F0
+#define HHI_VIID_CLK_DIV		0x128
+#define HHI_VIID_CLK_CNTL		0x12C
+#define HHI_GCLK_MPEG0			0x140
+#define HHI_GCLK_MPEG1			0x144
+#define HHI_GCLK_MPEG2			0x148
+#define HHI_GCLK_OTHER			0x150
+#define HHI_GCLK_OTHER2			0x154
+#define HHI_VID_CLK_DIV			0x164
+#define HHI_MPEG_CLK_CNTL		0x174
+#define HHI_AUD_CLK_CNTL		0x178
+#define HHI_VID_CLK_CNTL		0x17c
+#define HHI_TS_CLK_CNTL			0x190
+#define HHI_VID_CLK_CNTL2		0x194
+#define HHI_SYS_CPU_CLK_CNTL0		0x19c
+#define HHI_VID_PLL_CLK_DIV		0x1A0
+#define HHI_MALI_CLK_CNTL		0x1b0
+#define HHI_VPU_CLKC_CNTL		0x1b4
+#define HHI_VPU_CLK_CNTL		0x1bC
+#define HHI_HDMI_CLK_CNTL		0x1CC
+#define HHI_VDEC_CLK_CNTL		0x1E0
+#define HHI_VDEC2_CLK_CNTL		0x1E4
+#define HHI_VDEC3_CLK_CNTL		0x1E8
+#define HHI_VDEC4_CLK_CNTL		0x1EC
+#define HHI_HDCP22_CLK_CNTL		0x1F0
+#define HHI_VAPBCLK_CNTL		0x1F4
+#define HHI_VPU_CLKB_CNTL		0x20C
+#define HHI_GEN_CLK_CNTL		0x228
+#define HHI_VDIN_MEAS_CLK_CNTL		0x250
+#define HHI_MIPIDSI_PHY_CLK_CNTL	0x254
+#define HHI_NAND_CLK_CNTL		0x25C
+#define HHI_SD_EMMC_CLK_CNTL		0x264
+#define HHI_MPLL_CNTL0			0x278
+#define HHI_MPLL_CNTL1			0x27C
+#define HHI_MPLL_CNTL2			0x280
+#define HHI_MPLL_CNTL3			0x284
+#define HHI_MPLL_CNTL4			0x288
+#define HHI_MPLL_CNTL5			0x28c
+#define HHI_MPLL_CNTL6			0x290
+#define HHI_MPLL_CNTL7			0x294
+#define HHI_MPLL_CNTL8			0x298
+#define HHI_FIX_PLL_CNTL0		0x2A0
+#define HHI_FIX_PLL_CNTL1		0x2A4
+#define HHI_FIX_PLL_CNTL3		0x2AC
+#define HHI_SYS_PLL_CNTL0		0x2f4
+#define HHI_SYS_PLL_CNTL1		0x2f8
+#define HHI_SYS_PLL_CNTL2		0x2fc
+#define HHI_SYS_PLL_CNTL3		0x300
+#define HHI_SYS_PLL_CNTL4		0x304
+#define HHI_SYS_PLL_CNTL5		0x308
+#define HHI_SYS_PLL_CNTL6		0x30c
+#define HHI_HDMI_PLL_CNTL0		0x320
+#define HHI_HDMI_PLL_CNTL1		0x324
+#define HHI_HDMI_PLL_CNTL2		0x328
+#define HHI_HDMI_PLL_CNTL3		0x32c
+#define HHI_HDMI_PLL_CNTL4		0x330
+#define HHI_HDMI_PLL_CNTL5		0x334
+#define HHI_HDMI_PLL_CNTL6		0x338
+#define HHI_SPICC_CLK_CNTL		0x3dc
+
+#endif
diff --git a/arch/arm/include/asm/arch-meson/g12a.h b/arch/arm/include/asm/arch-meson/g12a.h
new file mode 100644
index 0000000000..b806667860
--- /dev/null
+++ b/arch/arm/include/asm/arch-meson/g12a.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#ifndef __G12A_H__
+#define __G12A_H__
+
+#define G12A_AOBUS_BASE			0xff800000
+#define G12A_PERIPHS_BASE		0xff634400
+#define G12A_HIU_BASE			0xff63c000
+#define G12A_ETH_PHY_BASE		0xff64c000
+#define G12A_ETH_BASE			0xff3f0000
+
+/* Always-On Peripherals registers */
+#define G12A_AO_ADDR(off)	(G12A_AOBUS_BASE + ((off) << 2))
+
+#define G12A_AO_SEC_GP_CFG0		G12A_AO_ADDR(0x90)
+#define G12A_AO_SEC_GP_CFG3		G12A_AO_ADDR(0x93)
+#define G12A_AO_SEC_GP_CFG4		G12A_AO_ADDR(0x94)
+#define G12A_AO_SEC_GP_CFG5		G12A_AO_ADDR(0x95)
+
+#define G12A_AO_BOOT_DEVICE		0xF
+#define G12A_AO_MEM_SIZE_MASK		0xFFFF0000
+#define G12A_AO_MEM_SIZE_SHIFT		16
+#define G12A_AO_BL31_RSVMEM_SIZE_MASK	0xFFFF0000
+#define G12A_AO_BL31_RSVMEM_SIZE_SHIFT	16
+#define G12A_AO_BL32_RSVMEM_SIZE_MASK	0xFFFF
+
+/* Peripherals registers */
+#define G12A_PERIPHS_ADDR(off)	(G12A_PERIPHS_BASE + ((off) << 2))
+
+#define G12A_ETH_REG_0			G12A_PERIPHS_ADDR(0x50)
+#define G12A_ETH_REG_1			G12A_PERIPHS_ADDR(0x51)
+
+#define G12A_ETH_REG_0_PHY_INTF_RGMII	BIT(0)
+#define G12A_ETH_REG_0_PHY_INTF_RMII	BIT(2)
+#define G12A_ETH_REG_0_TX_PHASE(x)	(((x) & 3) << 5)
+#define G12A_ETH_REG_0_TX_RATIO(x)	(((x) & 7) << 7)
+#define G12A_ETH_REG_0_PHY_CLK_EN	BIT(10)
+#define G12A_ETH_REG_0_INVERT_RMII_CLK	BIT(11)
+#define G12A_ETH_REG_0_CLK_EN		BIT(12)
+
+#define G12A_ETH_PHY_ADDR(off)	(G12A_ETH_PHY_BASE + ((off) << 2))
+#define ETH_PLL_CNTL0			G12A_ETH_PHY_ADDR(0x11)
+#define ETH_PLL_CNTL1			G12A_ETH_PHY_ADDR(0x12)
+#define ETH_PLL_CNTL2			G12A_ETH_PHY_ADDR(0x13)
+#define ETH_PLL_CNTL3			G12A_ETH_PHY_ADDR(0x14)
+#define ETH_PLL_CNTL4			G12A_ETH_PHY_ADDR(0x15)
+#define ETH_PLL_CNTL5			G12A_ETH_PHY_ADDR(0x16)
+#define ETH_PLL_CNTL6			G12A_ETH_PHY_ADDR(0x17)
+#define ETH_PLL_CNTL7			G12A_ETH_PHY_ADDR(0x18)
+#define ETH_PHY_CNTL0			G12A_ETH_PHY_ADDR(0x20)
+#define ETH_PHY_CNTL1			G12A_ETH_PHY_ADDR(0x21)
+#define ETH_PHY_CNTL2			G12A_ETH_PHY_ADDR(0x22)
+
+/* HIU registers */
+#define G12A_HIU_ADDR(off)	(G12A_HIU_BASE + ((off) << 2))
+
+#define G12A_MEM_PD_REG_0		G12A_HIU_ADDR(0x40)
+
+/* Ethernet memory power domain */
+#define G12A_MEM_PD_REG_0_ETH_MASK	(BIT(2) | BIT(3))
+
+#endif /* __G12A_H__ */
diff --git a/arch/arm/mach-meson/Kconfig b/arch/arm/mach-meson/Kconfig
index 11077bc6cc..e29e4c0acc 100644
--- a/arch/arm/mach-meson/Kconfig
+++ b/arch/arm/mach-meson/Kconfig
@@ -41,7 +41,13 @@ config MESON_AXG
 	bool "AXG"
 	select MESON64_COMMON
 	help
-		Select this if your SoC is an A113X/D
+	  Select this if your SoC is an A113X/D
+
+config MESON_G12A
+	bool "G12A"
+	select MESON64_COMMON
+	help
+	  Select this if your SoC is an S905X/D2
 
 endchoice
 
@@ -61,10 +67,11 @@ config SYS_VENDOR
 
 config SYS_BOARD
 	string "Board name"
-	default "odroid-c2" if MESON_GXBB
+	default "p200" if MESON_GXBB
 	default "p212" if MESON_GXL
 	default "q200" if MESON_GXM
 	default "s400" if MESON_AXG
+	default "u200" if MESON_G12A
 	default ""
 	help
 	  This option contains information about board name.
diff --git a/arch/arm/mach-meson/Makefile b/arch/arm/mach-meson/Makefile
index b716e1a152..a9e4046f80 100644
--- a/arch/arm/mach-meson/Makefile
+++ b/arch/arm/mach-meson/Makefile
@@ -2,6 +2,7 @@
 #
 # Copyright (c) 2016 Beniamino Galvani <b.galvani@gmail.com>
 
-obj-y += board-common.o sm.o
+obj-y += board-common.o sm.o board-info.o
 obj-$(CONFIG_MESON_GX) += board-gx.o
 obj-$(CONFIG_MESON_AXG) += board-axg.o
+obj-$(CONFIG_MESON_G12A) += board-g12a.o
diff --git a/arch/arm/mach-meson/board-g12a.c b/arch/arm/mach-meson/board-g12a.c
new file mode 100644
index 0000000000..fc3764b960
--- /dev/null
+++ b/arch/arm/mach-meson/board-g12a.c
@@ -0,0 +1,150 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+ * (C) Copyright 2018 Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include <common.h>
+#include <asm/arch/boot.h>
+#include <asm/arch/eth.h>
+#include <asm/arch/g12a.h>
+#include <asm/arch/mem.h>
+#include <asm/io.h>
+#include <asm/armv8/mmu.h>
+#include <linux/sizes.h>
+#include <phy.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int meson_get_boot_device(void)
+{
+	return readl(G12A_AO_SEC_GP_CFG0) & G12A_AO_BOOT_DEVICE;
+}
+
+/* Configure the reserved memory zones exported by the secure registers
+ * into EFI and DTB reserved memory entries.
+ */
+void meson_init_reserved_memory(void *fdt)
+{
+	u64 bl31_size, bl31_start;
+	u64 bl32_size, bl32_start;
+	u32 reg;
+
+	/*
+	 * Get ARM Trusted Firmware reserved memory zones in :
+	 * - AO_SEC_GP_CFG3: bl32 & bl31 size in KiB, can be 0
+	 * - AO_SEC_GP_CFG5: bl31 physical start address, can be NULL
+	 * - AO_SEC_GP_CFG4: bl32 physical start address, can be NULL
+	 */
+	reg = readl(G12A_AO_SEC_GP_CFG3);
+
+	bl31_size = ((reg & G12A_AO_BL31_RSVMEM_SIZE_MASK)
+			>> G12A_AO_BL31_RSVMEM_SIZE_SHIFT) * SZ_1K;
+	bl32_size = (reg & G12A_AO_BL32_RSVMEM_SIZE_MASK) * SZ_1K;
+
+	bl31_start = readl(G12A_AO_SEC_GP_CFG5);
+	bl32_start = readl(G12A_AO_SEC_GP_CFG4);
+
+	/* Add BL31 reserved zone */
+	if (bl31_start && bl31_size)
+		meson_board_add_reserved_memory(fdt, bl31_start, bl31_size);
+
+	/* Add BL32 reserved zone */
+	if (bl32_start && bl32_size)
+		meson_board_add_reserved_memory(fdt, bl32_start, bl32_size);
+}
+
+phys_size_t get_effective_memsize(void)
+{
+	/* Size is reported in MiB, convert it in bytes */
+	return ((readl(G12A_AO_SEC_GP_CFG0) & G12A_AO_MEM_SIZE_MASK)
+			>> G12A_AO_MEM_SIZE_SHIFT) * SZ_1M;
+}
+
+static struct mm_region g12a_mem_map[] = {
+	{
+		.virt = 0x0UL,
+		.phys = 0x0UL,
+		.size = 0x80000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.virt = 0xf0000000UL,
+		.phys = 0xf0000000UL,
+		.size = 0x10000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = g12a_mem_map;
+
+static void g12a_enable_external_mdio(void)
+{
+	writel(0x0, ETH_PHY_CNTL2);
+}
+
+static void g12a_enable_internal_mdio(void)
+{
+	/* Fire up the PHY PLL */
+	writel(0x29c0040a, ETH_PLL_CNTL0);
+	writel(0x927e0000, ETH_PLL_CNTL1);
+	writel(0xac5f49e5, ETH_PLL_CNTL2);
+	writel(0x00000000, ETH_PLL_CNTL3);
+	writel(0x00000000, ETH_PLL_CNTL4);
+	writel(0x20200000, ETH_PLL_CNTL5);
+	writel(0x0000c002, ETH_PLL_CNTL6);
+	writel(0x00000023, ETH_PLL_CNTL7);
+	writel(0x39c0040a, ETH_PLL_CNTL0);
+	writel(0x19c0040a, ETH_PLL_CNTL0);
+
+	/* Select the internal MDIO */
+	writel(0x33000180, ETH_PHY_CNTL0);
+	writel(0x00074043, ETH_PHY_CNTL1);
+	writel(0x00000260, ETH_PHY_CNTL2);
+}
+
+/* Configure the Ethernet MAC with the requested interface mode
+ * with some optional flags.
+ */
+void meson_eth_init(phy_interface_t mode, unsigned int flags)
+{
+	switch (mode) {
+	case PHY_INTERFACE_MODE_RGMII:
+	case PHY_INTERFACE_MODE_RGMII_ID:
+	case PHY_INTERFACE_MODE_RGMII_RXID:
+	case PHY_INTERFACE_MODE_RGMII_TXID:
+		/* Set RGMII mode */
+		setbits_le32(G12A_ETH_REG_0, G12A_ETH_REG_0_PHY_INTF_RGMII |
+			     G12A_ETH_REG_0_TX_PHASE(1) |
+			     G12A_ETH_REG_0_TX_RATIO(4) |
+			     G12A_ETH_REG_0_PHY_CLK_EN |
+			     G12A_ETH_REG_0_CLK_EN);
+		break;
+
+	case PHY_INTERFACE_MODE_RMII:
+		/* Set RMII mode */
+		out_le32(G12A_ETH_REG_0, G12A_ETH_REG_0_PHY_INTF_RMII |
+					G12A_ETH_REG_0_INVERT_RMII_CLK |
+					G12A_ETH_REG_0_CLK_EN);
+
+		/* Use G12A RMII Internal PHY */
+		if (flags & MESON_USE_INTERNAL_RMII_PHY)
+			g12a_enable_internal_mdio();
+		else
+			g12a_enable_external_mdio();
+
+		break;
+
+	default:
+		printf("Invalid Ethernet interface mode\n");
+		return;
+	}
+
+	/* Enable power gate */
+	clrbits_le32(G12A_MEM_PD_REG_0, G12A_MEM_PD_REG_0_ETH_MASK);
+}
diff --git a/arch/arm/mach-meson/board-info.c b/arch/arm/mach-meson/board-info.c
new file mode 100644
index 0000000000..ba248e8ff6
--- /dev/null
+++ b/arch/arm/mach-meson/board-info.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Julien Masson <jmasson@baylibre.com>
+ * (C) Copyright 2019 Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <dm.h>
+#include <linux/bitfield.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#define AO_SEC_SD_CFG8		0xe0
+#define AO_SEC_SOCINFO_OFFSET	AO_SEC_SD_CFG8
+
+#define SOCINFO_MAJOR	GENMASK(31, 24)
+#define SOCINFO_PACK	GENMASK(23, 16)
+#define SOCINFO_MINOR	GENMASK(15, 8)
+#define SOCINFO_MISC	GENMASK(7, 0)
+
+static const struct meson_gx_soc_id {
+	const char *name;
+	unsigned int id;
+} soc_ids[] = {
+	{ "GXBB",   0x1f },
+	{ "GXTVBB", 0x20 },
+	{ "GXL",    0x21 },
+	{ "GXM",    0x22 },
+	{ "TXL",    0x23 },
+	{ "TXLX",   0x24 },
+	{ "AXG",    0x25 },
+	{ "GXLX",   0x26 },
+	{ "TXHD",   0x27 },
+	{ "G12A",   0x28 },
+	{ "G12B",   0x29 },
+};
+
+static const struct meson_gx_package_id {
+	const char *name;
+	unsigned int major_id;
+	unsigned int pack_id;
+	unsigned int pack_mask;
+} soc_packages[] = {
+	{ "S905",   0x1f, 0,    0x20 }, /* pack_id != 0x20 */
+	{ "S905H",  0x1f, 0x3,  0xf },  /* pack_id & 0xf == 0x3 */
+	{ "S905M",  0x1f, 0x20, 0xf0 }, /* pack_id == 0x20 */
+	{ "S905D",  0x21, 0,    0xf0 },
+	{ "S905X",  0x21, 0x80, 0xf0 },
+	{ "S905W",  0x21, 0xa0, 0xf0 },
+	{ "S905L",  0x21, 0xc0, 0xf0 },
+	{ "S905M2", 0x21, 0xe0, 0xf0 },
+	{ "S805X",  0x21, 0x30, 0xf0 },
+	{ "S805Y",  0x21, 0xb0, 0xf0 },
+	{ "S912",   0x22, 0,    0x0 },  /* Only S912 is known for GXM */
+	{ "962X",   0x24, 0x10, 0xf0 },
+	{ "962E",   0x24, 0x20, 0xf0 },
+	{ "A113X",  0x25, 0x37, 0xff },
+	{ "A113D",  0x25, 0x22, 0xff },
+	{ "S905D2", 0x28, 0x10, 0xf0 },
+	{ "S905X2", 0x28, 0x40, 0xf0 },
+	{ "S922X",  0x29, 0x40, 0xf0 },
+};
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static inline unsigned int socinfo_to_major(u32 socinfo)
+{
+	return FIELD_GET(SOCINFO_MAJOR, socinfo);
+}
+
+static inline unsigned int socinfo_to_minor(u32 socinfo)
+{
+	return FIELD_GET(SOCINFO_MINOR, socinfo);
+}
+
+static inline unsigned int socinfo_to_pack(u32 socinfo)
+{
+	return FIELD_GET(SOCINFO_PACK, socinfo);
+}
+
+static inline unsigned int socinfo_to_misc(u32 socinfo)
+{
+	return FIELD_GET(SOCINFO_MISC, socinfo);
+}
+
+static const char *socinfo_to_package_id(u32 socinfo)
+{
+	unsigned int pack = socinfo_to_pack(socinfo);
+	unsigned int major = socinfo_to_major(socinfo);
+	int i;
+
+	for (i = 0 ; i < ARRAY_SIZE(soc_packages) ; ++i) {
+		if (soc_packages[i].major_id == major &&
+		    soc_packages[i].pack_id ==
+		    (pack & soc_packages[i].pack_mask))
+			return soc_packages[i].name;
+	}
+
+	return "Unknown";
+}
+
+static const char *socinfo_to_soc_id(u32 socinfo)
+{
+	unsigned int id = socinfo_to_major(socinfo);
+	int i;
+
+	for (i = 0 ; i < ARRAY_SIZE(soc_ids) ; ++i) {
+		if (soc_ids[i].id == id)
+			return soc_ids[i].name;
+	}
+
+	return "Unknown";
+}
+
+static void print_board_model(void)
+{
+	const char *model;
+	model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+	printf("Model: %s\n", model ? model : "Unknown");
+}
+
+int show_board_info(void)
+{
+	struct regmap *regmap;
+	int nodeoffset, ret;
+	ofnode node;
+	unsigned int socinfo;
+
+	/* find the offset of compatible node */
+	nodeoffset = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
+						   "amlogic,meson-gx-ao-secure");
+	if (nodeoffset < 0)
+		return 0;
+
+	/* check if chip-id is available */
+	if (!fdt_getprop(gd->fdt_blob, nodeoffset, "amlogic,has-chip-id", NULL))
+		return 0;
+
+	/* get regmap from the syscon node */
+	node = offset_to_ofnode(nodeoffset);
+	regmap = syscon_node_to_regmap(node);
+	if (IS_ERR(regmap)) {
+		printf("%s: failed to get regmap\n", __func__);
+		return 0;
+	}
+
+	/* read soc info */
+	ret = regmap_read(regmap, AO_SEC_SOCINFO_OFFSET, &socinfo);
+	if (ret && !socinfo) {
+		printf("%s: invalid chipid value\n", __func__);
+		return 0;
+	}
+
+	/* print board information */
+	print_board_model();
+	printf("Soc:   Amlogic Meson %s (%s) Revision %x:%x (%x:%x)\n",
+	       socinfo_to_soc_id(socinfo),
+	       socinfo_to_package_id(socinfo),
+	       socinfo_to_major(socinfo),
+	       socinfo_to_minor(socinfo),
+	       socinfo_to_pack(socinfo),
+	       socinfo_to_misc(socinfo));
+
+	return 0;
+}