Carlo Caione <carlo@xxxxxxxxxx> writes:
> From: Carlo Caione <carlo@xxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxx>
> ---
> 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@xxxxxxxxxx>
> + *
> + * 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@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";
> +};
> +
> +ðmac {
> + 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>;
> + };
> +};
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