[PATCH 2/2] ARM64: dts: meson-gxl: Add support for HwaCom AmazeTV

[Kevin Hilman]

Carlo Caione <carlo at caione.org> writes:

> From: Carlo Caione <carlo at endlessm.com>
>
> This patch adds support for the HwaCom AmazeTV set-top-box. The
> hardware configuration is really similar to the other GXL boards but
> for this hardware we need to limit the max-frequency of the eMMC to
> have it working.
>
> Signed-off-by: Carlo Caione <carlo at endlessm.com>
> ---
>  Documentation/devicetree/bindings/arm/amlogic.txt  |   1 +
>  arch/arm64/boot/dts/amlogic/Makefile               |   1 +
>  .../boot/dts/amlogic/meson-gxl-hwacom-amazetv.dts  | 164 +++++++++++++++++++++

nit: this should be meson-gxl-s905x-*

Looks like you followed the pattern of the GXL nexbox, but that's
now fixed in linux-next too.

Kevin


>  3 files changed, 166 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxl-hwacom-amazetv.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt
> index 9b2b41a..c369a55 100644
> --- a/Documentation/devicetree/bindings/arm/amlogic.txt
> +++ b/Documentation/devicetree/bindings/arm/amlogic.txt
> @@ -47,3 +47,4 @@ Board compatible values:
>    - "amlogic,q201" (Meson gxm s912)
>    - "nexbox,a95x" (Meson gxbb or Meson gxl s905x)
>    - "nexbox,a1" (Meson gxm s912)
> +  - "hwacom,amazetv" (Meson gxl s905x)
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> index 0d7bfbf..2932755 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -9,6 +9,7 @@ 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-nexbox-a95x.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-gxl-hwacom-amazetv.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-gxm-s912-q200.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-gxm-s912-q201.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-gxm-nexbox-a1.dtb
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-hwacom-amazetv.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-hwacom-amazetv.dts
> new file mode 100644
> index 0000000..9a2c60d
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-hwacom-amazetv.dts
> @@ -0,0 +1,164 @@
> +/*
> + * Copyright (c) 2017 Carlo Caione
> + * Copyright (c) 2016 BayLibre, Inc.
> + * Author: Neil Armstrong <narmstrong at kernel.org>
> + *
> + * SPDX-License-Identifier: GPL-2.0+ OR MIT
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-gxl-s905x.dtsi"
> +
> +/ {
> +	compatible = "hwacom,amazetv", "amlogic,s905x", "amlogic,meson-gxl";
> +	model = "Hwacom AmazeTV (S905X)";
> +
> +	aliases {
> +		serial0 = &uart_AO;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	memory at 0 {
> +		device_type = "memory";
> +		reg = <0x0 0x0 0x0 0x80000000>;
> +	};
> +
> +	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>;
> +	};
> +
> +	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>;
> +			};
> +		};
> +	};
> +};
> +
> +&uart_AO {
> +	status = "okay";
> +	pinctrl-0 = <&uart_ao_a_pins>;
> +	pinctrl-names = "default";
> +};
> +
> +&ethmac {
> +	status = "okay";
> +	phy-mode = "rmii";
> +	phy-handle = <&internal_phy>;
> +};
> +
> +&ir {
> +	status = "okay";
> +	pinctrl-0 = <&remote_input_ao_pins>;
> +	pinctrl-names = "default";
> +};
> +
> +/* SD card */
> +&sd_emmc_b {
> +	status = "okay";
> +	pinctrl-0 = <&sdcard_pins>;
> +	pinctrl-names = "default";
> +
> +	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_card>;
> +};
> +
> +/* eMMC */
> +&sd_emmc_c {
> +	status = "okay";
> +	pinctrl-0 = <&emmc_pins>;
> +	pinctrl-names = "default";
> +
> +	bus-width = <8>;
> +	cap-sd-highspeed;
> +	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>;
> +};
> +
> +&pwm_ef {
> +	status = "okay";
> +	pinctrl-0 = <&pwm_e_pins>;
> +	pinctrl-names = "default";
> +	clocks = <&clkc CLKID_FCLK_DIV4>;
> +	clock-names = "clkin0";
> +};
> +
> +&cvbs_vdac_port {
> +	cvbs_vdac_out: endpoint {
> +		remote-endpoint = <&cvbs_connector_in>;
> +	};
> +};