arm64: dts: meson: add common SM1 ac2xx dtsi

Add a common dtsi for Android STB devices based on the Amlogic S905X3
(AC213/AC214) and S905D3 (AC201/AC202) reference designs. The dtsi is
loosely based on the existing SEI610 device-tree.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> # X96-Air with Gbit PHY
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220112022713.25962-2-christianshewitt@gmail.com

diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-ac2xx.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-ac2xx.dtsi
new file mode 100644 (file)
index 0000000..46a3473
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-ac2xx.dtsi
@@ -0,0 +1,300 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ * Copyright (c) 2020 Christian Hewitt <christianshewitt@gmail.com>
+ *
+ * AC200/AC202 = S905D3
+ * AC213/AC214 = S905X3
+ *
+ */
+
+#include "meson-sm1.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+       aliases {
+               serial0 = &uart_AO;
+               ethernet0 = &ethmac;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       emmc_pwrseq: emmc-pwrseq {
+               compatible = "mmc-pwrseq-emmc";
+               reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
+       };
+
+       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>;
+                       };
+               };
+       };
+
+       memory@0 {
+               device_type = "memory";
+               reg = <0x0 0x0 0x0 0x40000000>;
+       };
+
+       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;
+       };
+
+       emmc_1v8: regulator-emmc_1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "EMMC_1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vddao_3v3>;
+               regulator-always-on;
+       };
+
+       vddao_3v3: regulator-vddao_3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDAO_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&dc_in>;
+               regulator-always-on;
+       };
+
+       vddcpu: regulator-vddcpu {
+               compatible = "pwm-regulator";
+
+               regulator-name = "VDDCPU";
+               regulator-min-microvolt = <690000>;
+               regulator-max-microvolt = <1050000>;
+
+               vin-supply = <&dc_in>;
+
+               pwms = <&pwm_AO_cd 1 1500 0>;
+               pwm-dutycycle-range = <100 0>;
+
+               regulator-boot-on;
+               regulator-always-on;
+       };
+
+       vddio_ao1v8: regulator-vddio_ao1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDIO_AO1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vddao_3v3>;
+               regulator-always-on;
+       };
+
+       sdio_pwrseq: sdio-pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+               clocks = <&wifi32k>;
+               clock-names = "ext_clock";
+       };
+
+       wifi32k: wifi32k {
+               compatible = "pwm-clock";
+               #clock-cells = <0>;
+               clock-frequency = <32768>;
+               pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
+       };
+};
+
+&cec_AO {
+       pinctrl-0 = <&cec_ao_a_h_pins>;
+       pinctrl-names = "default";
+       status = "disabled";
+       hdmi-phandle = <&hdmi_tx>;
+};
+
+&cecb_AO {
+       pinctrl-0 = <&cec_ao_b_h_pins>;
+       pinctrl-names = "default";
+       status = "okay";
+       hdmi-phandle = <&hdmi_tx>;
+};
+
+&cpu0 {
+       cpu-supply = <&vddcpu>;
+       operating-points-v2 = <&cpu_opp_table>;
+       clocks = <&clkc CLKID_CPU_CLK>;
+       clock-latency = <50000>;
+};
+
+&cpu1 {
+       cpu-supply = <&vddcpu>;
+       operating-points-v2 = <&cpu_opp_table>;
+       clocks = <&clkc CLKID_CPU1_CLK>;
+       clock-latency = <50000>;
+};
+
+&cpu2 {
+       cpu-supply = <&vddcpu>;
+       operating-points-v2 = <&cpu_opp_table>;
+       clocks = <&clkc CLKID_CPU2_CLK>;
+       clock-latency = <50000>;
+};
+
+&cpu3 {
+       cpu-supply = <&vddcpu>;
+       operating-points-v2 = <&cpu_opp_table>;
+       clocks = <&clkc CLKID_CPU3_CLK>;
+       clock-latency = <50000>;
+};
+
+&cvbs_vdac_port {
+       cvbs_vdac_out: endpoint {
+               remote-endpoint = <&cvbs_connector_in>;
+       };
+};
+
+&hdmi_tx {
+       status = "okay";
+       pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
+       pinctrl-names = "default";
+};
+
+&hdmi_tx_tmds_port {
+       hdmi_tx_tmds_out: endpoint {
+               remote-endpoint = <&hdmi_connector_in>;
+       };
+};
+
+&ir {
+       status = "okay";
+       pinctrl-0 = <&remote_input_ao_pins>;
+       pinctrl-names = "default";
+};
+
+&pwm_AO_ab {
+       status = "okay";
+       pinctrl-0 = <&pwm_ao_a_pins>;
+       pinctrl-names = "default";
+       clocks = <&xtal>;
+       clock-names = "clkin0";
+};
+
+&pwm_AO_cd {
+       pinctrl-0 = <&pwm_ao_d_e_pins>;
+       pinctrl-names = "default";
+       clocks = <&xtal>;
+       clock-names = "clkin1";
+       status = "okay";
+};
+
+&pwm_ef {
+       status = "okay";
+       pinctrl-0 = <&pwm_e_pins>;
+       pinctrl-names = "default";
+       clocks = <&xtal>;
+       clock-names = "clkin0";
+};
+
+&saradc {
+       status = "okay";
+       vref-supply = <&vddio_ao1v8>;
+};
+
+/* SDIO */
+&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;
+       sd-uhs-sdr104;
+       max-frequency = <200000000>;
+
+       non-removable;
+       disable-wp;
+
+       /* WiFi firmware requires power to be kept while in suspend */
+       keep-power-in-suspend;
+
+       mmc-pwrseq = <&sdio_pwrseq>;
+
+       vmmc-supply = <&vddao_3v3>;
+       vqmmc-supply = <&vddio_ao1v8>;
+};
+
+/* SD Card */
+&sd_emmc_b {
+       status = "okay";
+       pinctrl-0 = <&sdcard_c_pins>;
+       pinctrl-1 = <&sdcard_clk_gate_c_pins>;
+       pinctrl-names = "default", "clk-gate";
+
+       bus-width = <4>;
+       cap-sd-highspeed;
+       /* CRC errors are observed at 50MHz */
+       max-frequency = <35000000>;
+       disable-wp;
+
+       cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
+       vmmc-supply = <&vddao_3v3>;
+       vqmmc-supply = <&vddao_3v3>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+       status = "okay";
+       pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
+
+       bus-width = <8>;
+       cap-mmc-highspeed;
+       mmc-ddr-1_8v;
+       mmc-hs200-1_8v;
+       max-frequency = <200000000>;
+       non-removable;
+       disable-wp;
+
+       mmc-pwrseq = <&emmc_pwrseq>;
+       vmmc-supply = <&vddao_3v3>;
+       vqmmc-supply = <&emmc_1v8>;
+};
+
+&uart_AO {
+       status = "okay";
+       pinctrl-0 = <&uart_ao_a_pins>;
+       pinctrl-names = "default";
+};
+
+&usb {
+       status = "okay";
+       dr_mode = "otg";
+};