[PATCH 0/4] ARM: amlogic: add Radxa Zero

[PATCH 0/4] ARM: amlogic: add Radxa Zero

[Christian Hewitt]

This series alpha sorts the Amlogic Makefile, then adds
support for the Radxa Zero SBC using the device-tree
queued in the Amlogic maintainer tree for Linux 5.16.y

Patches are based on custodians/u-boot-amlogic-next

Christian Hewitt (4):
  ARM: dts: sort Amlogic Makefile section
  ARM: dts: add support for Radxa Zero
  boards: amlogic: add Radxa Zero defconfig
  doc: boards: amlogic: update for Radxa Zero

 arch/arm/dts/Makefile                         |  12 +-
 .../arm/dts/meson-g12a-radxa-zero-u-boot.dtsi |   7 +
 arch/arm/dts/meson-g12a-radxa-zero.dts        | 405 ++++++++++++++++++
 configs/radxa-zero_defconfig                  |  70 +++
 doc/board/amlogic/index.rst                   |   3 +-
 doc/board/amlogic/radxa-zero.rst              |  74 ++++
 6 files changed, 565 insertions(+), 6 deletions(-)
 create mode 100644 arch/arm/dts/meson-g12a-radxa-zero-u-boot.dtsi
 create mode 100644 arch/arm/dts/meson-g12a-radxa-zero.dts
 create mode 100644 configs/radxa-zero_defconfig
 create mode 100644 doc/board/amlogic/radxa-zero.rst

-- 
2.17.1


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[PATCH 1/4] ARM: dts: sort Amlogic Makefile section

[Christian Hewitt]

Alpha sort the Amlogic dtb list (same as the kernel).

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
---
 arch/arm/dts/Makefile | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index f0160d2dc0..461448c579 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -158,6 +158,7 @@ dtb-$(CONFIG_ARCH_S5P4418) += \
 	s5p4418-nanopi2.dtb
 
 dtb-$(CONFIG_ARCH_MESON) += \
+	meson-axg-s400.dtb \
 	meson-gxbb-nanopi-k2.dtb \
 	meson-gxbb-odroidc2.dtb \
 	meson-gxbb-nanopi-k2.dtb \
@@ -165,22 +166,22 @@ dtb-$(CONFIG_ARCH_MESON) += \
 	meson-gxbb-p201.dtb \
 	meson-gxl-s905x-p212.dtb \
 	meson-gxl-s805x-libretech-ac.dtb \
+	meson-gxl-s905d-libretech-pc.dtb \
+	meson-gxl-s905x-khadas-vim.dtb \
 	meson-gxl-s905x-libretech-cc.dtb \
 	meson-gxl-s905x-libretech-cc-v2.dtb \
-	meson-gxl-s905x-khadas-vim.dtb \
-	meson-gxl-s905d-libretech-pc.dtb \
+	meson-gxl-s905x-p212.dtb \
 	meson-gxm-khadas-vim2.dtb \
 	meson-gxm-s912-libretech-pc.dtb \
 	meson-gxm-wetek-core2.dtb \
-	meson-axg-s400.dtb \
-	meson-g12a-u200.dtb \
 	meson-g12a-sei510.dtb \
+	meson-g12a-u200.dtb \
+	meson-g12b-a311d-khadas-vim3.dtb \
 	meson-g12b-gtking.dtb \
 	meson-g12b-gtking-pro.dtb \
 	meson-g12b-gsking-x.dtb \
 	meson-g12b-odroid-n2.dtb \
 	meson-g12b-odroid-n2-plus.dtb \
-	meson-g12b-a311d-khadas-vim3.dtb \
 	meson-sm1-bananapi-m5.dtb \
 	meson-sm1-khadas-vim3l.dtb \
 	meson-sm1-odroid-c4.dtb \
-- 
2.17.1


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[PATCH 2/4] ARM: dts: add support for Radxa Zero

[Christian Hewitt]

Import the initial dts queued for Linux 5.16.y

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
---
 arch/arm/dts/Makefile                         |   1 +
 .../arm/dts/meson-g12a-radxa-zero-u-boot.dtsi |   7 +
 arch/arm/dts/meson-g12a-radxa-zero.dts        | 405 ++++++++++++++++++
 3 files changed, 413 insertions(+)
 create mode 100644 arch/arm/dts/meson-g12a-radxa-zero-u-boot.dtsi
 create mode 100644 arch/arm/dts/meson-g12a-radxa-zero.dts

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 461448c579..2ab55f7e2d 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -174,6 +174,7 @@ dtb-$(CONFIG_ARCH_MESON) += \
 	meson-gxm-khadas-vim2.dtb \
 	meson-gxm-s912-libretech-pc.dtb \
 	meson-gxm-wetek-core2.dtb \
+	meson-g12a-radxa-zero.dtb \
 	meson-g12a-sei510.dtb \
 	meson-g12a-u200.dtb \
 	meson-g12b-a311d-khadas-vim3.dtb \
diff --git a/arch/arm/dts/meson-g12a-radxa-zero-u-boot.dtsi b/arch/arm/dts/meson-g12a-radxa-zero-u-boot.dtsi
new file mode 100644
index 0000000000..236f2468dc
--- /dev/null
+++ b/arch/arm/dts/meson-g12a-radxa-zero-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-g12-common-u-boot.dtsi"
diff --git a/arch/arm/dts/meson-g12a-radxa-zero.dts b/arch/arm/dts/meson-g12a-radxa-zero.dts
new file mode 100644
index 0000000000..e3bb6df42f
--- /dev/null
+++ b/arch/arm/dts/meson-g12a-radxa-zero.dts
@@ -0,0 +1,405 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "meson-g12a.dtsi"
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
+
+/ {
+	compatible = "radxa,zero", "amlogic,g12a";
+	model = "Radxa Zero";
+
+	aliases {
+		serial0 = &uart_AO;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x40000000>;
+	};
+
+	cvbs-connector {
+		status = "disabled";
+		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>;
+			};
+		};
+	};
+
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+		clocks = <&wifi32k>;
+		clock-names = "ext_clock";
+	};
+
+	ao_5v: regulator-ao_5v {
+		compatible = "regulator-fixed";
+		regulator-name = "AO_5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	vcc_1v8: regulator-vcc_1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_1V8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc_3v3>;
+		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 = <&vddao_3v3>;
+		regulator-always-on;
+	};
+
+	hdmi_pw: regulator-hdmi_pw {
+		compatible = "regulator-fixed";
+		regulator-name = "HDMI_PW";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&ao_5v>;
+		regulator-always-on;
+	};
+
+	vddao_1v8: regulator-vddao_1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDAO_1V8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vddao_3v3>;
+		regulator-always-on;
+	};
+
+	vddao_3v3: regulator-vddao_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDAO_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&ao_5v>;
+		regulator-always-on;
+	};
+
+	vddcpu: regulator-vddcpu {
+		compatible = "pwm-regulator";
+
+		regulator-name = "VDDCPU";
+		regulator-min-microvolt = <721000>;
+		regulator-max-microvolt = <1022000>;
+
+		vin-supply = <&ao_5v>;
+
+		pwms = <&pwm_AO_cd 1 1250 0>;
+		pwm-dutycycle-range = <100 0>;
+
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	sound {
+		compatible = "amlogic,axg-sound-card";
+		model = "RADXA-ZERO";
+		audio-aux-devs = <&tdmout_b>;
+		audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
+				"TDMOUT_B IN 1", "FRDDR_B OUT 1",
+				"TDMOUT_B IN 2", "FRDDR_C OUT 1",
+				"TDM_B Playback", "TDMOUT_B OUT";
+
+		assigned-clocks = <&clkc CLKID_MPLL2>,
+				  <&clkc CLKID_MPLL0>,
+				  <&clkc CLKID_MPLL1>;
+		assigned-clock-parents = <0>, <0>, <0>;
+		assigned-clock-rates = <294912000>,
+				       <270950400>,
+				       <393216000>;
+		status = "okay";
+
+		dai-link-0 {
+			sound-dai = <&frddr_a>;
+		};
+
+		dai-link-1 {
+			sound-dai = <&frddr_b>;
+		};
+
+		dai-link-2 {
+			sound-dai = <&frddr_c>;
+		};
+
+		/* 8ch hdmi interface */
+		dai-link-3 {
+			sound-dai = <&tdmif_b>;
+			dai-format = "i2s";
+			dai-tdm-slot-tx-mask-0 = <1 1>;
+			dai-tdm-slot-tx-mask-1 = <1 1>;
+			dai-tdm-slot-tx-mask-2 = <1 1>;
+			dai-tdm-slot-tx-mask-3 = <1 1>;
+			mclk-fs = <256>;
+
+			codec {
+				sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
+			};
+		};
+
+		dai-link-4 {
+			sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
+
+			codec {
+				sound-dai = <&hdmi_tx>;
+			};
+		};
+	};
+
+	wifi32k: wifi32k {
+		compatible = "pwm-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
+	};
+};
+
+&arb {
+	status = "okay";
+};
+
+&cec_AO {
+	pinctrl-0 = <&cec_ao_a_h_pins>;
+	pinctrl-names = "default";
+	status = "disabled";
+	hdmi-phandle = <&hdmi_tx>;
+};
+
+&cecb_AO {
+	pinctrl-0 = <&cec_ao_b_h_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+	hdmi-phandle = <&hdmi_tx>;
+};
+
+&clkc_audio {
+	status = "okay";
+};
+
+&cpu0 {
+	cpu-supply = <&vddcpu>;
+	operating-points-v2 = <&cpu_opp_table>;
+	clocks = <&clkc CLKID_CPU_CLK>;
+	clock-latency = <50000>;
+};
+
+&cpu1 {
+	cpu-supply = <&vddcpu>;
+	operating-points-v2 = <&cpu_opp_table>;
+	clocks = <&clkc CLKID_CPU_CLK>;
+	clock-latency = <50000>;
+};
+
+&cpu2 {
+	cpu-supply = <&vddcpu>;
+	operating-points-v2 = <&cpu_opp_table>;
+	clocks = <&clkc CLKID_CPU_CLK>;
+	clock-latency = <50000>;
+};
+
+&cpu3 {
+	cpu-supply = <&vddcpu>;
+	operating-points-v2 = <&cpu_opp_table>;
+	clocks = <&clkc CLKID_CPU_CLK>;
+	clock-latency = <50000>;
+};
+
+&cvbs_vdac_port {
+	cvbs_vdac_out: endpoint {
+		remote-endpoint = <&cvbs_connector_in>;
+	};
+};
+
+&frddr_a {
+	status = "okay";
+};
+
+&frddr_b {
+	status = "okay";
+};
+
+&frddr_c {
+	status = "okay";
+};
+
+&hdmi_tx {
+	status = "okay";
+	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
+	pinctrl-names = "default";
+	hdmi-supply = <&hdmi_pw>;
+};
+
+&hdmi_tx_tmds_port {
+	hdmi_tx_tmds_out: endpoint {
+		remote-endpoint = <&hdmi_connector_in>;
+	};
+};
+
+&ir {
+	status = "disabled";
+	pinctrl-0 = <&remote_input_ao_pins>;
+	pinctrl-names = "default";
+};
+
+&pwm_AO_cd {
+	pinctrl-0 = <&pwm_ao_d_e_pins>;
+	pinctrl-names = "default";
+	clocks = <&xtal>;
+	clock-names = "clkin1";
+	status = "okay";
+};
+
+&pwm_ef {
+	status = "okay";
+	pinctrl-0 = <&pwm_e_pins>;
+	pinctrl-names = "default";
+	clocks = <&xtal>;
+	clock-names = "clkin0";
+};
+
+&saradc {
+	status = "okay";
+	vref-supply = <&vddao_1v8>;
+};
+
+/* SDIO */
+&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;
+	sd-uhs-sdr50;
+	max-frequency = <100000000>;
+
+	non-removable;
+	disable-wp;
+
+	/* WiFi firmware requires power to be kept while in suspend */
+	keep-power-in-suspend;
+
+	mmc-pwrseq = <&sdio_pwrseq>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddao_1v8>;
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
+};
+
+/* SD card */
+&sd_emmc_b {
+	status = "okay";
+	pinctrl-0 = <&sdcard_c_pins>;
+	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	max-frequency = <100000000>;
+	disable-wp;
+
+	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddao_3v3>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+	status = "okay";
+	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_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 = <&vcc_1v8>;
+};
+
+&tdmif_b {
+	status = "okay";
+};
+
+&tdmout_b {
+	status = "okay";
+};
+
+&tohdmitx {
+	status = "okay";
+};
+
+&uart_A {
+	status = "okay";
+	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
+	pinctrl-names = "default";
+	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+		max-speed = <2000000>;
+		clocks = <&wifi32k>;
+		clock-names = "lpo";
+	};
+};
+
+&uart_AO {
+	status = "okay";
+	pinctrl-0 = <&uart_ao_a_pins>;
+	pinctrl-names = "default";
+};
+
+&usb {
+	status = "okay";
+	dr_mode = "host";
+};
-- 
2.17.1


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[PATCH 3/4] boards: amlogic: add Radxa Zero defconfig

[Christian Hewitt]

Add a defconfig for the Radxa Zero SBC, using an Amlogic S905Y2 chip.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
---
 configs/radxa-zero_defconfig | 70 ++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 configs/radxa-zero_defconfig

diff --git a/configs/radxa-zero_defconfig b/configs/radxa-zero_defconfig
new file mode 100644
index 0000000000..acd13f1c6b
--- /dev/null
+++ b/configs/radxa-zero_defconfig
@@ -0,0 +1,70 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MESON=y
+CONFIG_SYS_TEXT_BASE=0x01000000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x2000
+CONFIG_DM_GPIO=y
+CONFIG_DEFAULT_DEVICE_TREE="meson-g12a-radxa-zero"
+CONFIG_MESON_G12A=y
+CONFIG_DEBUG_UART_BASE=0xff803000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_IDENT_STRING=" radxa-zero"
+CONFIG_DEBUG_UART=y
+CONFIG_OF_BOARD_SETUP=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_MISC_INIT_R=y
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_IMI is not set
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_REGULATOR=y
+CONFIG_OF_CONTROL=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+# CONFIG_NET_RANDOM_ETHADDR is not set
+CONFIG_MMC_MESON_GX=y
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+# CONFIG_PHY_REALTEK is not set
+# CONFIG_DM_ETH is not set
+CONFIG_DM_MDIO=y
+CONFIG_DM_MDIO_MUX=y
+# CONFIG_ETH_DESIGNWARE_MESON8B is not set
+CONFIG_MDIO_MUX_MESON_G12A=y
+CONFIG_MESON_G12A_USB_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_MESON_G12A=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MESON_EE_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_RESET=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_MESON_SERIAL=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+# CONFIG_USB_DWC3_GADGET is not set
+CONFIG_USB_DWC3_MESON_G12A=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_VENDOR_NUM=0x1b8e
+CONFIG_USB_GADGET_PRODUCT_NUM=0xfada
+CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_USB_GADGET_DWC2_OTG_PHY_BUS_WIDTH_8=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_DM_VIDEO=y
+# CONFIG_VIDEO_BPP8 is not set
+# CONFIG_VIDEO_BPP16 is not set
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_VIDEO_MESON=y
+CONFIG_VIDEO_DT_SIMPLEFB=y
+CONFIG_SPLASH_SCREEN=y
+CONFIG_SPLASH_SCREEN_ALIGN=y
+CONFIG_OF_LIBFDT_OVERLAY=y
-- 
2.17.1


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[PATCH 4/4] doc: boards: amlogic: update for Radxa Zero

[Christian Hewitt]

Add documentation bits for the Radxa Zero

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
---
 doc/board/amlogic/index.rst      |  3 +-
 doc/board/amlogic/radxa-zero.rst | 74 ++++++++++++++++++++++++++++++++
 2 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 doc/board/amlogic/radxa-zero.rst

diff --git a/doc/board/amlogic/index.rst b/doc/board/amlogic/index.rst
index 2913ab281a..e2ab600f7f 100644
--- a/doc/board/amlogic/index.rst
+++ b/doc/board/amlogic/index.rst
@@ -17,7 +17,7 @@ This matrix concerns the actual source code version.
 +===============================+===========+=================+==============+============+============+=============+==============+
 | Boards                       	| Odroid-C2 | P212            | Khadas VIM2  | S400       | U200       | Odroid-N2   | SEI610       |
 |        			| Nanopi-K2 | Khadas-VIM      | Libretech-PC |	          | SEI510     | Khadas-VIM3 | Khadas-VIM3L |
-|        			| P200	    | LibreTech-CC v1 |	WeTek Core2  |	          |            | GT-King/Pro | Odroid-C4    |
+|        			| P200	    | LibreTech-CC v1 |	WeTek Core2  |	          | Radxa Zero | GT-King/Pro | Odroid-C4    |
 |        			| P201	    | LibreTech-AC v2 |	             |	          |            | GSKing-X    | Odroid-HC4   |
 |                               |           |                 |              |            |            |             | BananaPi-M5  |
 +-------------------------------+-----------+-----------------+--------------+------------+------------+-------------+--------------+
@@ -96,6 +96,7 @@ Board Documentation
    p201
    p212
    q200
+   radxa-zero
    s400
    sei510
    sei610
diff --git a/doc/board/amlogic/radxa-zero.rst b/doc/board/amlogic/radxa-zero.rst
new file mode 100644
index 0000000000..423403f3c7
--- /dev/null
+++ b/doc/board/amlogic/radxa-zero.rst
@@ -0,0 +1,74 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+U-Boot for Radxa Zero
+=====================
+
+Radxa Zero is a small form factor SBC based on the Amlogic S905Y2
+chipset that ships in a number of RAM/eMMC configurations:
+
+Boards with 512MB/1GB LPDDR4 RAM have no eMMC storage and BCM43436
+wireless (2.4GHz b/g/n) while 2GB/4GB boards have 8/16/32/64/128GB
+eMMC storage and BCM4345 wireless (2.4/5GHz a/b/g/n/ac).
+
+- Amlogic S905Y2 quad-core Cortex-A53
+- Mali G31-MP2 GPU
+- HDMI 2.1 output (micro)
+- 1x USB 2.0 port - Type C (OTG)
+- 1x USB 3.0 port - Type C (Host)
+- 1x micro SD Card slot
+- 40 Pin GPIO header
+
+Schematics are available on the manufacturer website:
+
+https://dl.radxa.com/zero/docs/hw/RADAX_ZERO_V13_SCH_20210309.pdf
+
+U-Boot compilation
+------------------
+
+.. code-block:: bash
+
+    $ export CROSS_COMPILE=aarch64-none-elf-
+    $ make radxa-zero_defconfig
+    $ make
+
+Image creation
+--------------
+
+Amlogic does not provide sources for the firmware and for tools needed
+to create the bootloader image, so it is necessary to obtain them from
+git trees published by the board vendor:
+
+.. code-block:: bash
+
+    $ git clone -b radxa-zero-v2021.07 https://github.com/radxa/u-boot.git
+    $ git clone https://github.com/radxa/fip.git
+
+    $ sudo apt-get install -y gcc-aarch64-linux-gnu device-tree-compiler libncurses5 libncurses5-dev
+    $ sudo apt-get install -y bc python dosfstools flex build-essential libssl-dev mtools
+
+    $ wget https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz
+    $ sudo tar xvf gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz -C /opt
+
+    $ export CROSS_COMPILE=/opt/gcc-arm-10.2-2020.11-x86_64-aarch64-none-elf/bin/aarch64-none-elf-
+    $ export ARCH=arm
+    $ cd u-boot
+    $ make radxa-zero_defconfig
+    $ make
+
+    $ cp u-boot.bin ../fip/radxa-zero/bl33.bin
+    $ cd ../fip/radxa-zero
+    $ make
+
+This will generate:
+
+.. code-block:: bash
+
+    $ u-boot.bin u-boot.bin.sd.bin u-boot.bin.usb.bl2 u-boot.bin.usb.tpl
+
+Then write the image to SD with:
+
+.. code-block:: bash
+
+    $ DEV=/dev/your_sd_device
+    $ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1
+    $ dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444
-- 
2.17.1


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Re: [PATCH 0/4] ARM: amlogic: add Radxa Zero

[Neil Armstrong]

On 15/09/2021 03:46, Christian Hewitt wrote:
> This series alpha sorts the Amlogic Makefile, then adds
> support for the Radxa Zero SBC using the device-tree
> queued in the Amlogic maintainer tree for Linux 5.16.y
> 
> Patches are based on custodians/u-boot-amlogic-next
> 
> Christian Hewitt (4):
>   ARM: dts: sort Amlogic Makefile section
>   ARM: dts: add support for Radxa Zero
>   boards: amlogic: add Radxa Zero defconfig
>   doc: boards: amlogic: update for Radxa Zero
> 
>  arch/arm/dts/Makefile                         |  12 +-
>  .../arm/dts/meson-g12a-radxa-zero-u-boot.dtsi |   7 +
>  arch/arm/dts/meson-g12a-radxa-zero.dts        | 405 ++++++++++++++++++
>  configs/radxa-zero_defconfig                  |  70 +++
>  doc/board/amlogic/index.rst                   |   3 +-
>  doc/board/amlogic/radxa-zero.rst              |  74 ++++
>  6 files changed, 565 insertions(+), 6 deletions(-)
>  create mode 100644 arch/arm/dts/meson-g12a-radxa-zero-u-boot.dtsi
>  create mode 100644 arch/arm/dts/meson-g12a-radxa-zero.dts
>  create mode 100644 configs/radxa-zero_defconfig
>  create mode 100644 doc/board/amlogic/radxa-zero.rst
> 

Applied to u-boot-amlogic-next

Neil

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