Re: [PATCH v2 3/3] ARM64: dts: meson-gxl: Add support for the Smartlabs SML-5442TW

From: jbrunet
Date: Thu Nov 08 2018 - 12:03:55 EST

On Thu, 2018-11-08 at 21:01 +0400, Christian Hewitt wrote:
> The Smartlabs SML-5442TW is broadly similar to the P231 reference design
> but with the following differences:
>
> - Yellow and Blue front-panel LEDs are available but disabled
> - Red/Green LED is used to signal off/on status
> - GPIOX_17 is set high to enable the QCA9377 wireless module
> - uart_AO can be accessed after opening the case; soldered pins exist
>
> Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
> ---
> arch/arm64/boot/dts/amlogic/Makefile | 1 +
> .../boot/dts/amlogic/meson-gxl-s905d-sml5442tw.dts | 316
> +++++++++++++++++++++
> 2 files changed, 317 insertions(+)
> create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxl-s905d-
> sml5442tw.dts
>
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile
> b/arch/arm64/boot/dts/amlogic/Makefile
> index c31f29d6..37d7dbd 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -18,6 +18,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-nexbox-
> a95x.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-p212.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905d-p230.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905d-p231.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905d-sml5442tw.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s805x-p241.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905w-p281.dtb
> dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905w-tx3-mini.dtb
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-sml5442tw.dts
> b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-sml5442tw.dts
> new file mode 100644
> index 0000000..a081984
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-sml5442tw.dts
> @@ -0,0 +1,316 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2016 Endless Computers, Inc.
> + * Author: Carlo Caione <carlo@xxxxxxxxxxxx>
> + * Copyright (c) 2018 BayLibre, SAS
> + * Author: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-gxl-s905d.dtsi"
> +
> +/ {
> + compatible = "smartlabs,sml5442tw", "amlogic,s905d", "amlogic,meson-
> gxl";
> + model = "Smartlabs SML-5442TW";
> +
> + aliases {
> + serial0 = &uart_AO;
> + serial1 = &uart_A;
> + ethernet0 = &ethmac;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory@0 {
> + device_type = "memory";
> + reg = <0x0 0x0 0x0 0x80000000>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + yellow {
> + label = "sml5442tw:yellow";
> + gpios = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + blue {
> + label = "sml5442tw:blue";
> + gpios = <&gpio GPIODV_28 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + green {
> + label = "sml5442tw:green";
> + gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
> + default-state = "on";
> + };
> +
> + red {
> + label = "sml5442tw:red";
> + gpios = <&gpio GPIODV_27 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> + };
> +
> + hdmi_5v: regulator-hdmi-5v {
> + compatible = "regulator-fixed";
> +
> + regulator-name = "HDMI_5V";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> +
> + gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + };
> +
> + vddio_ao18: regulator-vddio_ao18 {
> + compatible = "regulator-fixed";
> + regulator-name = "VDDIO_AO18";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + 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 {
> + 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>;
> + };
> + };
> + };
> +
> + sound {
> + compatible = "simple-audio-card";
> + simple-audio-card,name = "meson-gx-audio";
> +
> + simple-audio-card,dai-link@0 {
> + /* HDMI Output */
> + format = "i2s";
> + mclk-fs = <256>;
> + bitclock-master = <&i2s_dai>;
> + frame-master = <&i2s_dai>;
> + plat {
> + sound-dai = <&aiu_i2s_dma>;
> + };
> +
> + cpu {
> + sound-dai = <&i2s_dai>;
> + };
> +
> + codec {
> + sound-dai = <&hdmi_tx>;
> + };
> + };
> + };
> +};

Still not good, sorry !

> +
> +&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";
> + phy-mode = "rmii";
> + phy-handle = <&internal_phy>;
> +};
> +
> +/* This will enable the bluetooth module */
> +&gpio {
> + bt-en {
> + gpio-hog;
> + gpios = <GPIOX_17 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "bt-en";
> + };
> +};
> +
> +&hdmi_tx {
> + status = "okay";
> + pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
> + pinctrl-names = "default";
> + hdmi-supply = <&hdmi_5v>;
> +};
> +
> +&hdmi_tx_tmds_port {
> + hdmi_tx_tmds_out: endpoint {
> + remote-endpoint = <&hdmi_connector_in>;
> + };
> +};
> +
> +&i2c_A {
> + status = "okay";
> + pinctrl-0 = <&i2c_a_pins>;
> + pinctrl-names = "default";
> +};
> +
> +&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";
> + linux,rc-map-name = "rc-o2cz-khamsin";
> +};
> +
> +&pwm_ef {
> + status = "okay";
> + pinctrl-0 = <&pwm_e_pins>;
> + pinctrl-names = "default";
> + clocks = <&clkc CLKID_FCLK_DIV4>;
> + clock-names = "clkin0";
> +};
> +
> +&saradc {
> + status = "okay";
> + vref-supply = <&vddio_ao18>;
> +};
> +
> +/* 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>;
> +};
> +
> +/* 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;
> + max-frequency = <100000000>;
> + disable-wp;
> +
> + cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
> + cd-inverted;
> +
> + vmmc-supply = <&vddao_3v3>;
> + vqmmc-supply = <&vddio_boot>;
> +};
> +
> +/* 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 = <100000000>;
> + 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 is connected to the Bluetooth module: */
> +&uart_A {
> + status = "okay";
> + pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
> + pinctrl-names = "default";
> + uart-has-rtscts;
> +};
> +
> +/* This UART is brought out to the debug header */
> +&uart_AO {
> + status = "okay";
> + pinctrl-0 = <&uart_ao_a_pins>;
> + pinctrl-names = "default";
> +};
> +
> +&usb0 {
> + status = "okay";
> +};