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Subject: Re: [PATCH 2/2] arm64: dts: meson: initial support for aml-s905x-cc
 v2
To:     Jerome Brunet <jbrunet@baylibre.com>,
        Kevin Hilman <khilman@baylibre.com>
Cc:     linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20200915141921.57258-1-jbrunet@baylibre.com>
 <20200915141921.57258-3-jbrunet@baylibre.com>
From:   Neil Armstrong <narmstrong@baylibre.com>
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Organization: Baylibre
Message-ID: <4f67512c-51c7-77ae-af63-4bdd8867c313@baylibre.com>
Date:   Tue, 15 Sep 2020 16:30:58 +0200
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Sender: linux-kernel-owner@vger.kernel.org
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Hi,

On 15/09/2020 16:19, Jerome Brunet wrote:
> Add initial support for the libretech aml-s905x-cc (Le Potato) v2
> 
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
> ---
>  arch/arm64/boot/dts/amlogic/Makefile          |   1 +
>  .../meson-gxl-s905x-libretech-cc-v2.dts       | 318 ++++++++++++++++++
>  2 files changed, 319 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts
> 
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> index 4e2239ffcaa5..be5277b7fbf4 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -24,6 +24,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s805x-libretech-ac.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-hwacom-amazetv.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-khadas-vim.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-libretech-cc.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-libretech-cc-v2.dtb
>  dtb-$(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
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts
> new file mode 100644
> index 000000000000..675eaa87963e
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc-v2.dts
> @@ -0,0 +1,318 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2020 BayLibre, SAS.
> + * Author: Jerome Brunet <jbrunet@baylibre.com>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/sound/meson-aiu.h>
> +
> +#include "meson-gxl-s905x.dtsi"
> +
> +/ {
> +	compatible = "libretech,aml-s905x-cc-v2", "amlogic,s905x",
> +		     "amlogic,meson-gxl";
> +	model = "Libre Computer AML-S905X-CC V2";
> +
> +	aliases {
> +		serial0 = &uart_AO;
> +		ethernet0 = &ethmac;
> +		spi0 = &spifc;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	emmc_pwrseq: emmc-pwrseq {
> +		compatible = "mmc-pwrseq-emmc";
> +		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
> +	};
> +
> +	hdmi-connector {
> +		compatible = "hdmi-connector";
> +		type = "a";
> +
> +		port {
> +			hdmi_connector_in: endpoint {
> +				remote-endpoint = <&hdmi_tx_tmds_out>;
> +			};
> +		};
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		led-blue {
> +			color = <LED_COLOR_ID_BLUE>;
> +			function = LED_FUNCTION_STATUS;
> +			gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "heartbeat";
> +			panic-indicator;
> +		};
> +
> +		led-green {
> +			color = <LED_COLOR_ID_GREEN>;
> +			function = LED_FUNCTION_DISK_ACTIVITY;
> +			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "disk-activity";
> +		};
> +	};
> +
> +	memory@0 {
> +		device_type = "memory";
> +		reg = <0x0 0x0 0x0 0x80000000>;
> +	};
> +
> +	ao_5v: regulator-ao_5v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "AO_5V";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&dc_in>;
> +		regulator-always-on;
> +	};
> +
> +	dc_in: regulator-dc_in {
> +		compatible = "regulator-fixed";
> +		regulator-name = "DC_IN";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-always-on;
> +	};
> +
> +
> +	vcck: regulator-vcck {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VCCK";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&ao_5v>;
> +		regulator-always-on;
> +	};
> +
> +	vcc_card: regulator-vcc_card {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VCC_CARD";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vddio_ao3v3>;
> +
> +		gpio = <&gpio GPIOCLK_1 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	vcc5v: regulator-vcc5v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VCC5V";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&ao_5v>;
> +
> +		gpio = <&gpio GPIOH_3 GPIO_OPEN_DRAIN>;
> +	};
> +
> +	vddio_ao3v3: regulator-vddio_ao3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VDDIO_AO3V3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&ao_5v>;
> +		regulator-always-on;
> +	};
> +
> +
> +	vddio_card: regulator-vddio-card {
> +		compatible = "regulator-gpio";
> +		regulator-name = "VDDIO_CARD";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
> +		gpios-states = <0>;
> +
> +		states = <3300000 0>,
> +			 <1800000 1>;
> +
> +		regulator-settling-time-up-us = <200>;
> +		regulator-settling-time-down-us = <50000>;
> +	};
> +
> +	vddio_ao18: regulator-vddio_ao18 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "VDDIO_AO18";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vddio_ao3v3>;
> +		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 = <&vddio_ao3v3>;
> +		regulator-always-on;
> +	};
> +
> +	sound {
> +		compatible = "amlogic,gx-sound-card";
> +		model = "GXL-LIBRETECH-S905X-CC-V2";
> +		assigned-clocks = <&clkc CLKID_MPLL0>,
> +				  <&clkc CLKID_MPLL1>,
> +				  <&clkc CLKID_MPLL2>;
> +		assigned-clock-parents = <0>, <0>, <0>;
> +		assigned-clock-rates = <294912000>,
> +				       <270950400>,
> +				       <393216000>;
> +		status = "okay";
> +
> +		dai-link-0 {
> +			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
> +		};
> +
> +		dai-link-1 {
> +			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
> +			dai-format = "i2s";
> +			mclk-fs = <256>;
> +
> +			codec-0 {
> +				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
> +			};
> +		};
> +
> +		dai-link-2 {
> +			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
> +
> +			codec-0 {
> +				sound-dai = <&hdmi_tx>;
> +			};
> +		};
> +	};
> +};
> +
> +
> +&aiu {
> +	status = "okay";
> +};
> +
> +&cec_AO {
> +	status = "okay";
> +	pinctrl-0 = <&ao_cec_pins>;
> +	pinctrl-names = "default";
> +	hdmi-phandle = <&hdmi_tx>;
> +};
> +
> +
> +&ethmac {
> +	status = "okay";
> +};
> +
> +&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";
> +};
> +
> +&hdmi_tx {
> +	status = "okay";
> +	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
> +	hdmi-supply = <&vcc5v>;
> +	pinctrl-names = "default";
> +};
> +
> +&hdmi_tx_tmds_port {
> +	hdmi_tx_tmds_out: endpoint {
> +		remote-endpoint = <&hdmi_connector_in>;
> +	};
> +};
> +
> +&saradc {
> +	status = "okay";
> +	vref-supply = <&vddio_ao18>;
> +};
> +
> +/* SD card */
> +&sd_emmc_b {
> +	pinctrl-0 = <&sdcard_pins>;
> +	pinctrl-1 = <&sdcard_clk_gate_pins>;
> +	pinctrl-names = "default", "clk-gate";
> +
> +	bus-width = <4>;
> +	cap-sd-highspeed;
> +	sd-uhs-sdr12;
> +	sd-uhs-sdr25;
> +	sd-uhs-sdr50;
> +	sd-uhs-ddr50;
> +	max-frequency = <100000000>;
> +	disable-wp;
> +
> +	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
> +
> +	vmmc-supply = <&vcc_card>;
> +	vqmmc-supply = <&vddio_card>;
> +
> +	status = "okay";
> +};
> +
> +/* eMMC */
> +&sd_emmc_c {
> +	pinctrl-0 = <&emmc_pins>;
> +	pinctrl-1 = <&emmc_clk_gate_pins>;
> +	pinctrl-names = "default", "clk-gate";
> +
> +	bus-width = <8>;
> +	cap-mmc-highspeed;
> +	mmc-hs200-1_8v;
> +	max-frequency = <200000000>;
> +	disable-wp;
> +
> +	mmc-pwrseq = <&emmc_pwrseq>;
> +	vmmc-supply = <&vddio_ao3v3>;
> +	vqmmc-supply = <&vcc_1v8>;
> +
> +	status = "okay";
> +};
> +
> +&spifc {
> +	status = "okay";
> +	pinctrl-0 = <&nor_pins>;
> +	pinctrl-names = "default";
> +
> +	nor_4u1: spi-flash@0 {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		spi-max-frequency = <3000000>;
> +	};
> +};
> +
> +&uart_AO {
> +	status = "okay";
> +	pinctrl-0 = <&uart_ao_a_pins>;
> +	pinctrl-names = "default";
> +};
> +
> +&usb {
> +	status = "okay";
> +	dr_mode = "host";
> +};
> +
> +&usb2_phy0 {
> +	pinctrl-names = "default";
> +	phy-supply = <&vcc5v>;
> +};
> +
> +&usb2_phy1 {
> +	phy-supply = <&vcc5v>;
> +};
> 

I'm pretty sure most of this can be shared with the v1 via a common dtsi,
with only the differences this v2 dts (spifc, and ?).

Neil