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Date: Sun, 26 Apr 2020 17:20:26 +0400
From: Christian Hewitt <christianshewitt@...il.com>
To: Neil Armstrong <narmstrong@...libre.com>
Cc: khilman@...libre.com, Dongjin Kim <tobetter@...il.com>,
linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/2] arm64: dts: meson-sm1: add support for Hardkernel
ODROID-C4
> On 24 Apr 2020, at 4:44 pm, Neil Armstrong <narmstrong@...libre.com> wrote:
>
> From: Dongjin Kim <tobetter@...il.com>
>
> Add the board support for the Hardkernel Odroid-C4 single board computer.
>
> The Odroid-C4 is the Odroid-C2 successor with same form factor, but using
> a modern Amlogic S905X3 (SM1) SoC and 4x USB3 ports.
>
> Signed-off-by: Dongjin Kim <tobetter@...il.com>
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
> ---
> arch/arm64/boot/dts/amlogic/Makefile | 1 +
> .../boot/dts/amlogic/meson-sm1-odroid-c4.dts | 399 ++++++++++++++++++
> 2 files changed, 400 insertions(+)
> create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
>
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> index eef0045320f2..5daab72f5639 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -40,4 +40,5 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-s912-libretech-pc.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-sm1-odroid-c4.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb
> diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
> new file mode 100644
> index 000000000000..4882c604a7e0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts
> @@ -0,0 +1,399 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2020 Dongjin Kim <tobetter@...il.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-sm1.dtsi"
> +#include <dt-bindings/gpio/meson-g12a-gpio.h>
> +#include <dt-bindings/leds/common.h>
> +
> +/ {
> + compatible = "hardkernel,odroid-c4", "amlogic,sm1";
> + model = "Hardkernel ODROID-C4";
> +
> + aliases {
> + serial0 = &uart_AO;
> + ethernet0 = ðmac;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory@0 {
> + device_type = "memory";
> + reg = <0x0 0x0 0x0 0x40000000>;
> + };
> +
> + emmc_pwrseq: emmc-pwrseq {
> + compatible = "mmc-pwrseq-emmc";
> + reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + led-blue {
> + color = <LED_COLOR_ID_BLUE>;
> + function = LED_FUNCTION_STATUS;
> + gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + panic-indicator;
> + };
> + };
> +
> + tflash_vdd: regulator-tflash_vdd {
> + compatible = "regulator-fixed";
> +
> + regulator-name = "TFLASH_VDD";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpio = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + };
> +
> + tf_io: gpio-regulator-tf_io {
> + compatible = "regulator-gpio";
> +
> + regulator-name = "TF_IO";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpios = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>;
> + gpios-states = <0>;
> +
> + states = <3300000 0>,
> + <1800000 1>;
> + };
> +
> + flash_1v8: regulator-flash_1v8 {
> + compatible = "regulator-fixed";
> + regulator-name = "FLASH_1V8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + vin-supply = <&vcc_3v3>;
> + regulator-always-on;
> + };
> +
> + main_12v: regulator-main_12v {
> + compatible = "regulator-fixed";
> + regulator-name = "12V";
> + regulator-min-microvolt = <12000000>;
> + regulator-max-microvolt = <12000000>;
> + regulator-always-on;
> + };
> +
> + vcc_5v: regulator-vcc_5v {
> + compatible = "regulator-fixed";
> + regulator-name = "5V";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + vin-supply = <&main_12v>;
> + };
> +
> + 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;
> + /* FIXME: actually controlled by VDDCPU_B_EN */
> + };
> +
> + vddcpu: regulator-vddcpu {
> + /*
> + * MP8756GD Regulator.
> + */
> + compatible = "pwm-regulator";
> +
> + regulator-name = "VDDCPU";
> + regulator-min-microvolt = <721000>;
> + regulator-max-microvolt = <1022000>;
> +
> + vin-supply = <&main_12v>;
> +
> + pwms = <&pwm_AO_cd 1 1250 0>;
> + pwm-dutycycle-range = <100 0>;
> +
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + hub_5v: regulator-hub_5v {
> + compatible = "regulator-fixed";
> + regulator-name = "HUB_5V";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&vcc_5v>;
> +
> + /* Connected to the Hub CHIPENABLE, LOW sets low power state */
> + gpio = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + usb_pwr_en: regulator-usb_pwr_en {
> + compatible = "regulator-fixed";
> + regulator-name = "USB_PWR_EN";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&vcc_5v>;
> +
> + /* Connected to the microUSB port power enable */
> + gpio = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + 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 = <&main_12v>;
> + regulator-always-on;
> + };
> +
> + hdmi-connector {
> + compatible = "hdmi-connector";
> + type = "a";
> +
> + port {
> + hdmi_connector_in: endpoint {
> + remote-endpoint = <&hdmi_tx_tmds_out>;
> + };
> + };
> + };
> +};
> +
> +&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_CPU1_CLK>;
> + clock-latency = <50000>;
> +};
> +
> +&cpu2 {
> + cpu-supply = <&vddcpu>;
> + operating-points-v2 = <&cpu_opp_table>;
> + clocks = <&clkc CLKID_CPU2_CLK>;
> + clock-latency = <50000>;
> +};
> +
> +&cpu3 {
> + cpu-supply = <&vddcpu>;
> + operating-points-v2 = <&cpu_opp_table>;
> + clocks = <&clkc CLKID_CPU3_CLK>;
> + clock-latency = <50000>;
> +};
> +
> +&ext_mdio {
> + external_phy: ethernet-phy@0 {
> + /* Realtek RTL8211F (0x001cc916) */
> + reg = <0>;
> + max-speed = <1000>;
> +
> + reset-assert-us = <10000>;
> + reset-deassert-us = <30000>;
> + reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
> +
> + interrupt-parent = <&gpio_intc>;
> + /* MAC_INTR on GPIOZ_14 */
> + interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
> + };
> +};
> +
> +ðmac {
> + pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> + phy-mode = "rgmii";
> + phy-handle = <&external_phy>;
> + amlogic,tx-delay-ns = <2>;
> +};
> +
> +&gpio {
> + gpio-line-names =
> + /* GPIOZ */
> + "", "", "", "", "", "", "", "",
> + "", "", "", "", "", "", "", "",
> + /* GPIOH */
> + "", "", "", "", "",
> + "PIN_36", /* GPIOH_5 */
> + "PIN_26", /* GPIOH_6 */
> + "PIN_32", /* GPIOH_7 */
> + "",
> + /* BOOT */
> + "", "", "", "", "", "", "", "",
> + "", "", "", "", "", "", "", "",
> + /* GPIOC */
> + "", "", "", "", "", "", "", "",
> + /* GPIOA */
> + "", "", "", "", "", "", "", "",
> + "", "", "", "", "", "",
> + "PIN_27", /* GPIOA_14 */
> + "PIN_28", /* GPIOA_15 */
> + /* GPIOX */
> + "PIN_16", /* GPIOX_0 */
> + "PIN_18", /* GPIOX_1 */
> + "PIN_22", /* GPIOX_2 */
> + "PIN_11", /* GPIOX_3 */
> + "PIN_13", /* GPIOX_4 */
> + "PIN_7", /* GPIOX_5 */
> + "PIN_33", /* GPIOX_6 */
> + "PIN_15", /* GPIOX_7 */
> + "PIN_19", /* GPIOX_8 */
> + "PIN_21", /* GPIOX_9 */
> + "PIN_24", /* GPIOX_10 */
> + "PIN_23", /* GPIOX_11 */
> + "PIN_8", /* GPIOX_12 */
> + "PIN_10", /* GPIOX_13 */
> + "PIN_29", /* GPIOX_14 */
> + "PIN_31", /* GPIOX_15 */
> + "PIN_12", /* GPIOX_16 */
> + "PIN_3", /* GPIOX_17 */
> + "PIN_5", /* GPIOX_18 */
> + "PIN_35"; /* GPIOX_19 */
> +
> + /*
> + * WARNING: The USB Hub on the Odroid-C4 needs a reset signal
> + * to be turned high in order to be detected by the USB Controller
> + * This signal should be handled by a USB specific power sequence
> + * in order to reset the Hub when USB bus is powered down.
> + */
> + usb-hub {
> + gpio-hog;
> + gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "usb-hub-reset";
> + };
> +};
> +
> +&gpio_ao {
> + gpio-line-names =
> + /* GPIOAO */
> + "", "", "", "",
> + "PIN_47", /* GPIOAO_4 */
> + "", "",
> + "PIN_45", /* GPIOAO_7 */
> + "PIN_46", /* GPIOAO_8 */
> + "PIN_44", /* GPIOAO_9 */
> + "PIN_42", /* GPIOAO_10 */
> + "",
> + /* GPIOE */
> + "", "", "";
> +};
> +
> +&hdmi_tx {
> + status = "okay";
> + pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
> + pinctrl-names = "default";
> + hdmi-supply = <&vcc_5v>;
> +};
> +
> +&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";
linux,rc-map-name = “rc-odroid";
};
^ C4 is sold with the same odroid remote as C2/N2
> +&pwm_AO_cd {
> + pinctrl-0 = <&pwm_ao_d_e_pins>;
> + pinctrl-names = "default";
> + clocks = <&xtal>;
> + clock-names = "clkin1";
> + status = "okay";
> +};
> +
> +&saradc {
> + status = "okay";
> +};
> +
> +/* 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 = <200000000>;
> + sd-uhs-sdr12;
> + sd-uhs-sdr25;
> + sd-uhs-sdr50;
> + sd-uhs-sdr104;
> + disable-wp;
> +
> + cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
> + vmmc-supply = <&tflash_vdd>;
> + vqmmc-supply = <&tf_io>;
> +};
> +
> +/* 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 = <&flash_1v8>;
> +};
> +
> +&uart_AO {
> + status = "okay";
> + pinctrl-0 = <&uart_ao_a_pins>;
> + pinctrl-names = "default";
> +};
> +
> +&usb {
> + status = "okay";
> + vbus-supply = <&usb_pwr_en>;
> +};
> +
> +&usb2_phy0 {
> + phy-supply = <&vcc_5v>;
> +};
> +
> +&usb2_phy1 {
> + /* Enable the hub which is connected to this port */
> + phy-supply = <&hub_5v>;
> +};
> --
> 2.22.0
otherwise works fine (and with ir node added)
Tested-by: Christian Hewitt <christianshewitt@...il.com>
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