5 files changed, 838 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
index f4c953034be39..c41525a34b721 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
@@ -6,6 +6,8 @@
 /dts-v1/;
 
 #include "amlogic-t7.dtsi"
+#include <dt-bindings/gpio/amlogic,t7-periphs-pinctrl.h>
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Khadas VIM4";
@@ -13,6 +15,9 @@
 
 	aliases {
 		serial0 = &uart_a;
+		mmc0 = &sd_emmc_c;
+		mmc1 = &sd_emmc_b;
+		mmc2 = &sd_emmc_a;
 	};
 
 	memory@0 {
@@ -40,13 +45,223 @@
 		};
 	};
 
+	dc_in: regulator-dc-in {
+		compatible = "regulator-fixed";
+		regulator-name = "DC_IN";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	pwm-leds {
+		compatible = "pwm-leds";
+
+		status {
+			linux,default-trigger="heartbeat";
+			max-brightness = <255>;
+			pwms = <&pwm_ao_cd 0 30040 0>;
+		};
+	};
+
+	sd_3v3: regulator-sdcard-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "SD_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vddao_3v3>;
+		gpio = <&gpio GPIOD_11 GPIO_ACTIVE_LOW>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+		post-power-on-delay-ms = <500>;
+		power-off-delay-us = <200000>;
+		clocks = <&wifi32k>;
+		clock-names = "ext_clock";
+	};
+
+	vcc5v: regulator-vcc-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&dc_in>;
+
+		gpio = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	vcc5v0_usb: regulator-vcc-usb {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC5V0_USB";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v>;
+
+		gpio = <&gpio GPIOY_5 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	vddao_1v8: regulator-vddao-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDAO_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;
+	};
+
+	vddio_1v8: regulator-vddio-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_1V8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vddio_3v3>;
+		regulator-always-on;
+	};
+
+	vddio_3v3: regulator-vddio-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vddao_3v3>;
+		regulator-always-on;
+	};
+
+	vddio_c: regulator-gpio-c {
+		compatible = "regulator-gpio";
+		regulator-name = "VDDIO_C";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vddio_3v3>;
+		gpios = <&gpio GPIOD_9 GPIO_ACTIVE_HIGH>;
+		states = <1800000 1
+			  3300000 0>;
+	};
+
+	wifi32k: wifi32k {
+		compatible = "pwm-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+			pwms = <&pwm_ab 0 30518 0>;
+	};
+
 	xtal: xtal-clk {
 		compatible = "fixed-clock";
 		clock-frequency = <24000000>;
 		clock-output-names = "xtal";
 		#clock-cells = <0>;
 	};
+};
+
+&pwm_ab {
+	status = "okay";
+	pinctrl-0 = <&pwm_a_pins>;
+	pinctrl-names = "default";
+};
+
+&pwm_ao_cd {
+	status = "okay";
+	pinctrl-0 = <&pwm_ao_c_d_pins>;
+	pinctrl-names = "default";
+};
+
+/* 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-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	cap-sdio-irq;
+	max-frequency = <200000000>;
+	non-removable;
+	disable-wp;
+	no-mmc;
+	no-sd;
+
+	power-domains = <&pwrc PWRC_T7_SDIO_A_ID>;
+
+	keep-power-in-suspend;
+
+	mmc-pwrseq = <&sdio_pwrseq>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddao_1v8>;
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm43752-fmac", "brcm,bcm4329-fmac";
+	};
+};
+
+/* SD card */
+&sd_emmc_b {
+	status = "okay";
+	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-sdr104;
+	max-frequency = <200000000>;
+	disable-wp;
+	no-sdio;
+	no-mmc;
+
+	power-domains = <&pwrc PWRC_T7_SDIO_B_ID>;
+
+	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&sd_3v3>;
+	vqmmc-supply = <&vddio_c>;
+};
+
+/* 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>;
+	disable-wp;
+	non-removable;
+	no-sdio;
+	no-sd;
+
+	power-domains = <&pwrc PWRC_T7_EMMC_ID>;
 
+	vmmc-supply = <&vddio_3v3>;
+	vqmmc-supply = <&vddio_1v8>;
 };
 
 &uart_a {
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
index d523cbc0ed22a..cc371fcd18967 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
@@ -6,6 +6,9 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/power/amlogic,t7-pwrc.h>
 #include "amlogic-t7-reset.h"
+#include <dt-bindings/clock/amlogic,t7-scmi.h>
+#include <dt-bindings/clock/amlogic,t7-pll-clkc.h>
+#include <dt-bindings/clock/amlogic,t7-peripherals-clkc.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -201,6 +204,34 @@
 		};
 	};
 
+	sram@f7042000 {
+		compatible = "mmio-sram";
+		reg = <0x0 0xf7042000 0x0 0x100>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0x0 0xf7042000 0x100>;
+
+		scmi_shmem: sram@0 {
+			compatible = "arm,scmi-shmem";
+			reg = <0x0 0x100>;
+		};
+	};
+
+	firmware {
+		scmi: scmi {
+			compatible = "arm,scmi-smc";
+			arm,smc-id = <0x820000c1>;
+			shmem = <&scmi_shmem>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			scmi_clk: protocol@14 {
+				reg = <0x14>;
+				#clock-cells = <1>;
+			};
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -226,6 +257,42 @@
 			#size-cells = <2>;
 			ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;
 
+			clkc_periphs: clock-controller@0 {
+				compatible = "amlogic,t7-peripherals-clkc";
+				reg = <0x0 0x0 0x0 0x1c8>;
+				#clock-cells = <1>;
+				clocks = <&xtal>,
+					 <&scmi_clk CLKID_SYS_CLK>,
+					 <&scmi_clk CLKID_FIXED_PLL>,
+					 <&scmi_clk CLKID_FCLK_DIV2>,
+					 <&scmi_clk CLKID_FCLK_DIV2P5>,
+					 <&scmi_clk CLKID_FCLK_DIV3>,
+					 <&scmi_clk CLKID_FCLK_DIV4>,
+					 <&scmi_clk CLKID_FCLK_DIV5>,
+					 <&scmi_clk CLKID_FCLK_DIV7>,
+					 <&hifi CLKID_HIFI_PLL>,
+					 <&gp0 CLKID_GP0_PLL>,
+					 <&gp1 CLKID_GP1_PLL>,
+					 <&mpll CLKID_MPLL1>,
+					 <&mpll CLKID_MPLL2>,
+					 <&mpll CLKID_MPLL3>;
+				clock-names = "xtal",
+					      "sys",
+					      "fix",
+					      "fdiv2",
+					      "fdiv2p5",
+					      "fdiv3",
+					      "fdiv4",
+					      "fdiv5",
+					      "fdiv7",
+					      "hifi",
+					      "gp0",
+					      "gp1",
+					      "mpll1",
+					      "mpll2",
+					      "mpll3";
+			};
+
 			reset: reset-controller@2000 {
 				compatible = "amlogic,t7-reset";
 				reg = <0x0 0x2000 0x0 0x98>;
@@ -252,6 +319,258 @@
 					#gpio-cells = <2>;
 					gpio-ranges = <&periphs_pinctrl 0 0 157>;
 				};
+
+				emmc_ctrl_pins: emmc-ctrl {
+					mux-0 {
+						groups = "emmc_cmd";
+						function = "emmc";
+						bias-pull-up;
+					};
+
+					mux-1 {
+						groups = "emmc_clk";
+						function = "emmc";
+						bias-disable;
+					};
+				};
+
+				emmc_data_4b_pins: emmc-data-4b {
+					mux {
+						groups = "emmc_nand_d0",
+							 "emmc_nand_d1",
+							 "emmc_nand_d2",
+							 "emmc_nand_d3";
+						function = "emmc";
+						bias-pull-up;
+					};
+				};
+
+				emmc_data_8b_pins: emmc-data-8b {
+					mux {
+						groups = "emmc_nand_d0",
+							 "emmc_nand_d1",
+							 "emmc_nand_d2",
+							 "emmc_nand_d3",
+							 "emmc_nand_d4",
+							 "emmc_nand_d5",
+							 "emmc_nand_d6",
+							 "emmc_nand_d7";
+						function = "emmc";
+						bias-pull-up;
+					};
+				};
+
+				emmc_ds_pins: emmc-ds {
+					mux {
+						groups = "emmc_nand_ds";
+						function = "emmc";
+						bias-pull-down;
+					};
+				};
+
+				emmc_clk_gate_pins: emmc-clk-gate {
+					mux {
+						groups = "GPIOB_8";
+						function = "gpio_periphs";
+						bias-pull-down;
+					};
+				};
+
+				i2c0_ao_d_pins: i2c0-ao-d {
+					mux {
+						groups = "i2c0_ao_sck_d",
+							 "i2c0_ao_sda_d";
+						function = "i2c0_ao";
+						bias-disable;
+						drive-strength-microamp = <3000>;
+					};
+				};
+
+				pwm_a_pins: pwm-a {
+					mux {
+						groups = "pwm_a";
+						function = "pwm_a";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_a_pins: pwm-ao-a {
+					mux {
+						groups = "pwm_ao_a";
+						function = "pwm_ao_a";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_b_pins: pwm-ao-b {
+					mux {
+						groups = "pwm_ao_b";
+						function = "pwm_ao_b";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_c_d_pins: pwm-ao-c-d {
+					mux {
+						groups = "pwm_ao_c_d";
+						function = "pwm_ao_c";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_c_e_pins: pwm-ao-c-e {
+					mux {
+						groups = "pwm_ao_c_e";
+						function = "pwm_ao_c";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_c_hiz_pins: pwm-ao-c-hiz {
+					mux {
+						groups = "pwm_ao_c_hiz";
+						function = "pwm_ao_c_hiz";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_d_pins: pwm-ao-d {
+					mux {
+						groups = "pwm_ao_d";
+						function = "pwm_ao_d";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_e_pins: pwm-ao-e {
+					mux {
+						groups = "pwm_ao_e";
+						function = "pwm_ao_e";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_f_pins: pwm-ao-f {
+					mux {
+						groups = "pwm_ao_f";
+						function = "pwm_ao_f";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_g_pins: pwm-ao-g {
+					mux {
+						groups = "pwm_ao_g";
+						function = "pwm_ao_g";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_g_hiz_pins: pwm-ao-g-hiz {
+					mux {
+						groups = "pwm_ao_g_hiz";
+						function = "pwm_ao_g_hiz";
+						bias-disable;
+					};
+				};
+
+				pwm_ao_h_pins: pwm-ao-h {
+					mux {
+						groups = "pwm_ao_h";
+						function = "pwm_ao_h";
+						bias-disable;
+					};
+				};
+
+				pwm_b_pins: pwm-b {
+					mux {
+						groups = "pwm_b";
+						function = "pwm_b";
+						bias-disable;
+					};
+				};
+
+				pwm_c_pins: pwm-c {
+					mux {
+						groups = "pwm_c";
+						function = "pwm_c";
+						bias-disable;
+					};
+				};
+
+				pwm_d_pins: pwm-d {
+					mux {
+						groups = "pwm_d";
+						function = "pwm_d";
+						bias-disable;
+					};
+				};
+
+				pwm_e_pins: pwm-e {
+					mux {
+						groups = "pwm_e";
+						function = "pwm_e";
+						bias-disable;
+					};
+				};
+
+				pwm_f_pins: pwm-f {
+					mux {
+						groups = "pwm_f";
+						function = "pwm_f";
+						bias-disable;
+					};
+				};
+
+				pwm_vs_pins: pwm-vs {
+					mux {
+						groups = "pwm_vs";
+						function = "pwm_vs";
+						bias-disable;
+					};
+				};
+
+				sdcard_pins: sdcard {
+					mux {
+						groups = "sdcard_d0",
+							 "sdcard_d1",
+							 "sdcard_d2",
+							 "sdcard_d3",
+							 "sdcard_clk",
+							 "sdcard_cmd";
+						function = "sdcard";
+						bias-pull-up;
+					};
+				};
+
+				sdcard_clk_gate_pins: sdcard-clk-gate {
+					mux {
+						groups = "GPIOC_4";
+						function = "gpio_periphs";
+						bias-pull-down;
+					};
+				};
+
+				sdio_pins: sdio {
+					mux {
+						groups = "sdio_d0",
+							 "sdio_d1",
+							 "sdio_d2",
+							 "sdio_d3",
+							 "sdio_clk",
+							 "sdio_cmd";
+						function = "sdio";
+						bias-pull-up;
+					};
+				};
+
+				sdio_clk_gate_pins: sdio-clk-gate {
+					mux {
+						groups = "GPIOX_4";
+						function = "gpio_periphs";
+						bias-pull-up;
+					};
+				};
 			};
 
 			gpio_intc: interrupt-controller@4080 {
@@ -271,6 +590,64 @@
 				status = "disabled";
 			};
 
+			gp0: clock-controller@8080 {
+				compatible = "amlogic,t7-gp0-pll";
+				reg = <0x0 0x8080 0x0 0x20>;
+				clocks = <&scmi_clk CLKID_TOP_PLL_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			gp1: clock-controller@80c0 {
+				compatible = "amlogic,t7-gp1-pll";
+				reg = <0x0 0x80c0 0x0 0x14>;
+				clocks = <&scmi_clk CLKID_TOP_PLL_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			hifi: clock-controller@8100 {
+				compatible = "amlogic,t7-hifi-pll";
+				reg = <0x0 0x8100 0x0 0x20>;
+				clocks = <&scmi_clk CLKID_TOP_PLL_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			pcie: clock-controller@8140 {
+				compatible = "amlogic,t7-pcie-pll";
+				reg = <0x0 0x8140 0x0 0x1c>;
+				clocks = <&scmi_clk CLKID_PCIE_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			mpll: clock-controller@8180 {
+				compatible = "amlogic,t7-mpll";
+				reg = <0x0 0x8180 0x0 0x28>;
+				clocks = <&scmi_clk CLKID_FIXED_PLL_DCO>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			hdmi: clock-controller@81c0 {
+				compatible = "amlogic,t7-hdmi-pll";
+				reg = <0x0 0x81c0 0x0 0x20>;
+				clocks = <&scmi_clk CLKID_HDMI_PLL_OSC>;
+				clock-names = "in0";
+				#clock-cells = <1>;
+			};
+
+			mclk: clock-controller@8300 {
+				compatible = "amlogic,t7-mclk-pll";
+				reg = <0x0 0x8300 0x0 0x18>;
+				clocks = <&scmi_clk CLKID_MCLK_PLL_OSC>,
+					 <&xtal>,
+					 <&scmi_clk CLKID_FCLK_50M>;
+				clock-names = "in0", "in1", "in2";
+				#clock-cells = <1>;
+			};
+
 			sec_ao: ao-secure@10220 {
 				compatible = "amlogic,t7-ao-secure",
 					     "amlogic,meson-gx-ao-secure",
@@ -278,6 +655,111 @@
 				reg = <0x0 0x10220 0x0 0x140>;
 				amlogic,has-chip-id;
 			};
+
+			pwm_ao_ef: pwm@30000 {
+				compatible = "amlogic,t7-pwm", "amlogic,meson-s4-pwm";
+				reg = <0x0 0x30000 0x0 0x24>;
+				clocks = <&clkc_periphs CLKID_PWM_AO_E>,
+					 <&clkc_periphs CLKID_PWM_AO_F>;
+				#pwm-cells = <3>;
+				status = "disabled";
+			};
+
+			pwm_ao_gh: pwm@32000 {
+				compatible = "amlogic,t7-pwm", "amlogic,meson-s4-pwm";
+				reg = <0x0 0x32000 0x0 0x24>;
+				clocks = <&clkc_periphs CLKID_PWM_AO_G>,
+					 <&clkc_periphs CLKID_PWM_AO_H>;
+				#pwm-cells = <3>;
+				status = "disabled";
+			};
+
+			pwm_ab: pwm@58000 {
+				compatible = "amlogic,t7-pwm", "amlogic,meson-s4-pwm";
+				reg = <0x0 0x58000 0x0 0x24>;
+				clocks = <&clkc_periphs CLKID_PWM_A>,
+					 <&clkc_periphs CLKID_PWM_B>;
+				#pwm-cells = <3>;
+				status = "disabled";
+			};
+
+			pwm_cd: pwm@5a000 {
+				compatible = "amlogic,t7-pwm", "amlogic,meson-s4-pwm";
+				reg = <0x0 0x5a000 0x0 0x24>;
+				clocks = <&clkc_periphs CLKID_PWM_C>,
+					 <&clkc_periphs CLKID_PWM_D>;
+				#pwm-cells = <3>;
+				status = "disabled";
+			};
+
+			pwm_ef: pwm@5c000 {
+				compatible = "amlogic,t7-pwm", "amlogic,meson-s4-pwm";
+				reg = <0x0 0x5c000 0x0 0x24>;
+				clocks = <&clkc_periphs CLKID_PWM_E>,
+					 <&clkc_periphs CLKID_PWM_F>;
+				#pwm-cells = <3>;
+				status = "disabled";
+			};
+
+			pwm_ao_ab: pwm@5e000 {
+				compatible = "amlogic,t7-pwm", "amlogic,meson-s4-pwm";
+				reg = <0x0 0x5e000 0x0 0x24>;
+				clocks = <&clkc_periphs CLKID_PWM_AO_A>,
+					 <&clkc_periphs CLKID_PWM_AO_B>;
+				#pwm-cells = <3>;
+				status = "disabled";
+			};
+
+			pwm_ao_cd: pwm@60000 {
+				compatible = "amlogic,t7-pwm", "amlogic,meson-s4-pwm";
+				reg = <0x0 0x60000 0x0 0x24>;
+				clocks = <&clkc_periphs CLKID_PWM_AO_C>,
+					 <&clkc_periphs CLKID_PWM_AO_D>;
+				#pwm-cells = <3>;
+				status = "disabled";
+			};
+
+			sd_emmc_a: mmc@88000 {
+				compatible = "amlogic,t7-mmc", "amlogic,meson-axg-mmc";
+				reg = <0x0 0x88000 0x0 0x800>;
+				interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clkc_periphs CLKID_SYS_SD_EMMC_A>,
+					 <&clkc_periphs CLKID_SD_EMMC_A>,
+					 <&scmi_clk CLKID_FCLK_DIV2>;
+				clock-names = "core", "clkin0", "clkin1";
+				resets = <&reset RESET_SD_EMMC_A>;
+				assigned-clocks = <&clkc_periphs CLKID_SD_EMMC_A_SEL>;
+				assigned-clock-parents = <&xtal>;
+				status = "disabled";
+			};
+
+			sd_emmc_b: mmc@8a000 {
+				compatible = "amlogic,t7-mmc", "amlogic,meson-axg-mmc";
+				reg = <0x0 0x8a000 0x0 0x800>;
+				interrupts = <GIC_SPI 177 IRQ_TYPE_EDGE_RISING>;
+				clocks = <&clkc_periphs CLKID_SYS_SD_EMMC_B>,
+					 <&clkc_periphs CLKID_SD_EMMC_B>,
+					 <&scmi_clk CLKID_FCLK_DIV2>;
+				clock-names = "core", "clkin0", "clkin1";
+				resets = <&reset RESET_SD_EMMC_B>;
+				assigned-clocks = <&clkc_periphs CLKID_SD_EMMC_B_SEL>;
+				assigned-clock-parents = <&xtal>;
+				status = "disabled";
+			};
+
+			sd_emmc_c: mmc@8c000 {
+				compatible = "amlogic,t7-mmc", "amlogic,meson-axg-mmc";
+				reg = <0x0 0x8c000 0x0 0x800>;
+				interrupts = <GIC_SPI 178 IRQ_TYPE_EDGE_RISING>;
+				clocks = <&clkc_periphs CLKID_SYS_SD_EMMC_C>,
+					 <&clkc_periphs CLKID_SD_EMMC_C>,
+					 <&scmi_clk CLKID_FCLK_DIV2>;
+				clock-names = "core", "clkin0", "clkin1";
+				resets = <&reset RESET_SD_EMMC_C>;
+				assigned-clocks = <&clkc_periphs CLKID_SD_EMMC_C_SEL>;
+				assigned-clock-parents = <&xtal>;
+				status = "disabled";
+			};
 		};
 
 	};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-phicomm-n1.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-phicomm-n1.dts
index 393d3cb33b9ee..dea3a60e8527d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-phicomm-n1.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-phicomm-n1.dts
@@ -30,6 +30,21 @@
 	status = "disabled";
 };
 
+&uart_A {
+	status = "okay";
+	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
+	pinctrl-names = "default";
+	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+		max-speed = <2000000>;
+		clocks = <&wifi32k>;
+		clock-names = "lpo";
+	};
+};
+
 &usb {
 	dr_mode = "host";
 };
diff --git a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts
index 27d0f6134ea9d..99d5df71b9cd4 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts
@@ -6,6 +6,8 @@
 /dts-v1/;
 
 #include "meson-s4.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
 
 / {
 	model = "Khadas VIM1S";
@@ -18,6 +20,8 @@
 		mmc0 = &emmc; /* eMMC */
 		mmc1 = &sd; /* SD card */
 		mmc2 = &sdio; /* SDIO */
+		rtc0 = &rtc;
+		rtc1 = &vrtc;
 		serial0 = &uart_b;
 	};
 
@@ -38,11 +42,48 @@
 		};
 	};
 
+	adc-keys {
+		compatible = "adc-keys";
+		io-channels = <&saradc 0>;
+		io-channel-names = "buttons";
+		keyup-threshold-microvolt = <1710000>;
+		poll-interval = <100>;
+
+		button-function {
+			label = "Function";
+			linux,code = <KEY_FN>;
+			press-threshold-microvolt = <10000>;
+		};
+	};
+
 	emmc_pwrseq: emmc-pwrseq {
 		compatible = "mmc-pwrseq-emmc";
 		reset-gpios = <&gpio GPIOB_9 GPIO_ACTIVE_LOW>;
 	};
 
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		poll-interval = <100>;
+
+		power-button {
+			label = "power";
+			linux,code = <KEY_POWER>;
+			gpios = <&gpio GPIOD_8 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	pwm-leds {
+		compatible = "pwm-leds";
+
+		led-1 {
+			color = <LED_COLOR_ID_WHITE>;
+			function = LED_FUNCTION_STATUS;
+			linux,default-trigger = "heartbeat";
+			max-brightness = <255>;
+			pwms = <&pwm_gh 0 30040 0>;
+		};
+	};
+
 	sdio_32k: sdio-32k {
 		compatible = "pwm-clock";
 		#clock-cells = <0>;
@@ -184,10 +225,24 @@
 	phy-mode = "rmii";
 };
 
+&i2c1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins2>;
+	clock-frequency = <100000>;
+
+	rtc: rtc@51 {
+		compatible = "haoyu,hym8563";
+		reg = <0x51>;
+		#clock-cells = <0>;
+	};
+};
+
 &ir {
 	status = "okay";
 	pinctrl-0 = <&remote_pins>;
 	pinctrl-names = "default";
+	linux,rc-map-name = "rc-khadas";
 };
 
 &pwm_ef {
@@ -196,6 +251,12 @@
 	pinctrl-names = "default";
 };
 
+&pwm_gh {
+	status = "okay";
+	pinctrl-0 = <&pwm_g_pins1>;
+	pinctrl-names = "default";
+};
+
 &pwm_ij {
 	status = "okay";
 };
@@ -247,6 +308,11 @@
 	};
 };
 
+&saradc {
+	status = "okay";
+	vref-supply = <&vddio_ao1v8>;
+};
+
 &spicc0 {
 	status = "okay";
 	pinctrl-names = "default";
@@ -254,6 +320,21 @@
 	cs-gpios = <&gpio GPIOX_10 GPIO_ACTIVE_LOW>;
 };
 
+&uart_a {
+	status = "okay";
+	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
+	pinctrl-names = "default";
+	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "brcm,bcm4345c5";
+		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
+		max-speed = <2000000>;
+		clocks = <&sdio_32k>;
+		clock-names = "lpo";
+	};
+};
+
 &uart_b {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
index dfc0a30a6e61b..2a6fbd5308362 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
@@ -59,6 +59,11 @@
 		method = "smc";
 	};
 
+	vrtc: rtc@fe010288 {
+		compatible = "amlogic,meson-vrtc";
+		reg = <0x0 0xfe010288 0x0 0x4>;
+	};
+
 	xtal: xtal-clk {
 		compatible = "fixed-clock";
 		clock-frequency = <24000000>;
@@ -77,6 +82,20 @@
 		};
 	};
 
+	saradc: adc@fe026000 {
+		compatible = "amlogic,meson-s4-saradc",
+			     "amlogic,meson-g12a-saradc";
+		reg = <0x0 0xfe026000 0x0 0x48>;
+		#io-channel-cells = <1>;
+		interrupts = <GIC_SPI 181 IRQ_TYPE_EDGE_RISING>;
+		clocks = <&xtal>,
+			 <&clkc_periphs CLKID_SAR_ADC>,
+			 <&clkc_periphs CLKID_SARADC>,
+			 <&clkc_periphs CLKID_SARADC_SEL>;
+		clock-names = "clkin", "core", "adc_clk", "adc_sel";
+		status = "disabled";
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -163,6 +182,22 @@
 					};
 				};
 
+				uart_a_pins: uart-a-pins {
+					mux {
+						groups = "uart_a_tx",
+						       "uart_a_rx";
+						function = "uart_a";
+					};
+				};
+
+				uart_a_cts_rts_pins: uart-a-cts-rts-pins {
+					mux {
+						groups = "uart_a_cts",
+						       "uart_a_rts";
+						function = "uart_a";
+					};
+				};
+
 				i2c0_pins1: i2c0-pins1 {
 					mux {
 						groups = "i2c0_sda",
@@ -814,6 +849,16 @@
 			};
 		};
 
+		uart_a: serial@fe078000 {
+			compatible = "amlogic,meson-s4-uart",
+				     "amlogic,meson-ao-uart";
+			reg = <0x0 0xfe078000 0x0 0x18>;
+			interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
+			clocks = <&xtal>, <&clkc_periphs CLKID_UART_A>, <&xtal>;
+			clock-names = "xtal", "pclk", "baud";
+			status = "disabled";
+		};
+
 		sdio: mmc@fe088000 {
 			compatible = "amlogic,meson-axg-mmc";
 			reg = <0x0 0xfe088000 0x0 0x800>;