Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> writes:
> The Amlogic P212 reference design is used by other devices as well, such
> as (for example) the Khadas VIM boards. Thus this patch adds and moves
> all common entries from meson-gxl-s905x-p212.dts to a new, separate
> meson-gxl-s905x-p212.dtsi (which can be re-used on boards such as the
> Khadas VIM).
> Support for all boards based on the P212 reference design includes:
> - enabling IR support
> - enabling the SAR ADC (SARADC_CH1 is connected to a resistor which
> indicates the hardware revision, a similar design is found on the
> Khadas VIM boards)
> - all MMC controllers (which means that SDIO wifi, the SD card and the
> eMMC are now supported)
> - pwm_ef as dependency for the SDIO wifi modules
> - uart_A which is connected to the bluetooth module (the bluetooth
> module itself is not enabled yet due to missing devicetree bindings
> for the Broadcom serial bluetooth devices)
> - uart_AO is moved to the .dtsi (as all known devices use it as their
> boot-console)
>
> Specific to the P212 board:
> - this also enables the CVBS connector (which is not available on the
> Khadas VIM boards for example)
> - Realtek based SDIO wifi (instead of Broadcom which most other devices
> use)
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
> Tested-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
I also gave this a spin on P212 board and it's working well.
Applied to v4.12/dt64
Kevin
> ---
> .../boot/dts/amlogic/meson-gxl-s905x-p212.dts | 21 +--
> .../boot/dts/amlogic/meson-gxl-s905x-p212.dtsi | 173 +++++++++++++++++++++
> 2 files changed, 185 insertions(+), 9 deletions(-)
> create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
> index 9639f012b02b..db31e093f40e 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dts
> @@ -43,23 +43,26 @@
>
> /dts-v1/;
>
> -#include "meson-gxl-s905x.dtsi"
> +#include "meson-gxl-s905x-p212.dtsi"
>
> / {
> compatible = "amlogic,p212", "amlogic,s905x", "amlogic,meson-gxl";
> model = "Amlogic Meson GXL (S905X) P212 Development Board";
>
> - aliases {
> - serial0 = &uart_AO;
> - };
> + cvbs-connector {
> + compatible = "composite-video-connector";
>
> - chosen {
> - stdout-path = "serial0:115200n8";
> + port {
> + cvbs_connector_in: endpoint {
> + remote-endpoint = <&cvbs_vdac_out>;
> + };
> + };
> };
> +};
>
> - memory@0 {
> - device_type = "memory";
> - reg = <0x0 0x0 0x0 0x80000000>;
> +&cvbs_vdac_port {
> + cvbs_vdac_out: endpoint {
> + remote-endpoint = <&cvbs_connector_in>;
> };
> };
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
> new file mode 100644
> index 000000000000..f3eea8e89d12
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
> @@ -0,0 +1,173 @@
> +/*
> + * Copyright (c) 2016 Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>.
> + * Based on meson-gx-p23x-q20x.dtsi:
> + * - Copyright (c) 2016 Endless Computers, Inc.
> + * Author: Carlo Caione <carlo@xxxxxxxxxxxx>
> + * - Copyright (c) 2016 BayLibre, SAS.
> + * Author: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> + *
> + * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> + */
> +
> +/* Common DTSI for devices which are based on the P212 reference board. */
> +
> +#include "meson-gxl-s905x.dtsi"
> +
> +/ {
> + aliases {
> + serial0 = &uart_AO;
> + serial1 = &uart_A;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory@0 {
> + device_type = "memory";
> + reg = <0x0 0x0 0x0 0x80000000>;
> + };
> +
> + 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>;
> + };
> +
> + vddio_ao18: regulator-vddio_ao18 {
> + compatible = "regulator-fixed";
> + regulator-name = "VDDIO_AO18";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + 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";
> + };
> +};
> +
> +ðmac {
> + status = "okay";
> +};
> +
> +&ir {
> + status = "okay";
> + pinctrl-0 = <&remote_input_ao_pins>;
> + pinctrl-names = "default";
> +};
> +
> +&saradc {
> + status = "okay";
> + vref-supply = <&vddio_ao18>;
> +};
> +
> +/* Wireless SDIO Module */
> +&sd_emmc_a {
> + status = "okay";
> + pinctrl-0 = <&sdio_pins>;
> + pinctrl-names = "default";
> + #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-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_boot>;
> +};
> +
> +/* eMMC */
> +&sd_emmc_c {
> + status = "okay";
> + pinctrl-0 = <&emmc_pins>;
> + pinctrl-names = "default";
> +
> + bus-width = <8>;
> + cap-sd-highspeed;
> + cap-mmc-highspeed;
> + max-frequency = <200000000>;
> + 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";
> +};
> +
> +/* 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;
> +};
> +
> +&uart_AO {
> + status = "okay";
> + pinctrl-0 = <&uart_ao_a_pins>;
> + pinctrl-names = "default";
> +};
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