Merge tag 'spacemit-dt-for-6.19-1' of https://github.com/spacemit-com/linux into soc/dt

RISC-V SpacemiT DT changes for 6.19

- Add Uart and I2C nodes
- Add P1 PMIC nodes
- Add MusePi Pro board support
- Add OrangePi R2S board support
- Enable eeprom for BPI-F3
- Enable QSPI on BPI-F3
- Enable Ethernet and PDMA on OrangePi RV2

* tag 'spacemit-dt-for-6.19-1' of https://github.com/spacemit-com/linux:
  riscv: dts: spacemit: define all missing I2C controller nodes
  riscv: dts: spacemit: reorder i2c2 node
  riscv: dts: spacemit: Add OrangePi R2S board device tree
  dt-bindings: riscv: spacemit: Add OrangePi R2S board
  riscv: dts: spacemit: enable K1 SoC QSPI on BPI-F3
  riscv: dts: spacemit: add MusePi Pro board device tree
  dt-bindings: riscv: spacemit: add MusePi Pro board
  riscv: dts: spacemit: add Ethernet and PDMA to OrangePi RV2
  riscv: dts: spacemit: add i2c aliases on BPI-F3
  riscv: dts: spacemit: add 24c02 eeprom on BPI-F3
  riscv: dts: spacemit: enable the i2c2 adapter on BPI-F3
  riscv: dts: spacemit: define regulator constraints
  riscv: dts: spacemit: define fixed regulators
  riscv: dts: spacemit: enable the i2c8 adapter
  riscv: dts: spacemit: add UART pinctrl combinations

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

8 files changed, 982 insertions, 2 deletions

diff --git a/Documentation/devicetree/bindings/riscv/spacemit.yaml b/Documentation/devicetree/bindings/riscv/spacemit.yaml
index c56b62a6299a..9c49482002f7 100644
--- a/Documentation/devicetree/bindings/riscv/spacemit.yaml
+++ b/Documentation/devicetree/bindings/riscv/spacemit.yaml
@@ -22,6 +22,8 @@ properties:
           - enum:
               - bananapi,bpi-f3
               - milkv,jupiter
+              - spacemit,musepi-pro
+              - xunlong,orangepi-r2s
               - xunlong,orangepi-rv2
           - const: spacemit,k1
 
diff --git a/arch/riscv/boot/dts/spacemit/Makefile b/arch/riscv/boot/dts/spacemit/Makefile
index 152832644870..95889e7269d1 100644
--- a/arch/riscv/boot/dts/spacemit/Makefile
+++ b/arch/riscv/boot/dts/spacemit/Makefile
@@ -1,4 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_SPACEMIT) += k1-bananapi-f3.dtb
 dtb-$(CONFIG_ARCH_SPACEMIT) += k1-milkv-jupiter.dtb
+dtb-$(CONFIG_ARCH_SPACEMIT) += k1-musepi-pro.dtb
+dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-r2s.dtb
 dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-rv2.dtb
diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 2aaaff77831e..02f218a16318 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -14,6 +14,8 @@
 		ethernet0 = &eth0;
 		ethernet1 = &eth1;
 		serial0 = &uart0;
+		i2c2 = &i2c2;
+		i2c8 = &i2c8;
 	};
 
 	chosen {
@@ -30,6 +32,25 @@
 			default-state = "on";
 		};
 	};
+
+	reg_dc_in: dc-in-12v {
+		compatible = "regulator-fixed";
+		regulator-name = "dc_in_12v";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_vcc_4v: vcc-4v {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_4v";
+		regulator-min-microvolt = <4000000>;
+		regulator-max-microvolt = <4000000>;
+		regulator-boot-on;
+		regulator-always-on;
+		vin-supply = <&reg_dc_in>;
+	};
 };
 
 &emmc {
@@ -92,6 +113,157 @@
 	status = "okay";
 };
 
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&qspi_cfg>;
+	status = "okay";
+};
+
+&i2c2 {
+	pinctrl-0 = <&i2c2_0_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	eeprom@50 {
+		compatible = "atmel,24c02";
+		reg = <0x50>;
+		vcc-supply = <&buck3_1v8>; /* EEPROM_VCC1V8 */
+		pagesize = <16>;
+		read-only;
+		size = <256>;
+
+		nvmem-layout {
+			compatible = "onie,tlv-layout";
+
+			mac-address {
+				#nvmem-cell-cells = <1>;
+			};
+
+			num-macs {
+			};
+
+			serial-number {
+			};
+		};
+	};
+};
+
+&i2c8 {
+	pinctrl-0 = <&i2c8_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	pmic@41 {
+		compatible = "spacemit,p1";
+		reg = <0x41>;
+		interrupts = <64>;
+		vin-supply = <&reg_vcc_4v>;
+
+		regulators {
+			buck1 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3450000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck2 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3450000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck3_1v8: buck3 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck4 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck5 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3450000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck6 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3450000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			aldo1 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+			};
+
+			aldo2 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			aldo3 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			aldo4 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			dldo1 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+			};
+
+			dldo2 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			dldo3 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			dldo4 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-always-on;
+			};
+
+			dldo5 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			dldo6 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-always-on;
+			};
+
+			dldo7 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+		};
+	};
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_2_cfg>;
diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
new file mode 100644
index 000000000000..29e333b670cf
--- /dev/null
+++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
+ * Copyright (C) 2025 SpacemiT, Inc
+ * Copyright (C) 2025 Troy Mitchell <troy.mitchell@linux.spacemit.com>
+ */
+
+/dts-v1/;
+
+#include "k1.dtsi"
+#include "k1-pinctrl.dtsi"
+
+/ {
+	model = "SpacemiT MusePi Pro";
+	compatible = "spacemit,musepi-pro", "spacemit,k1";
+
+	aliases {
+		ethernet0 = &eth0;
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led1 {
+			label = "sys-led";
+			gpios = <&gpio K1_GPIO(96) GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+			default-state = "on";
+		};
+	};
+};
+
+&emmc {
+	bus-width = <8>;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	non-removable;
+	no-sd;
+	no-sdio;
+	status = "okay";
+};
+
+&eth0 {
+	phy-handle = <&rgmii0>;
+	phy-mode = "rgmii-id";
+	pinctrl-0 = <&gmac0_cfg>;
+	pinctrl-names = "default";
+	rx-internal-delay-ps = <0>;
+	tx-internal-delay-ps = <0>;
+	status = "okay";
+
+	mdio-bus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		reset-gpios = <&gpio K1_GPIO(110) GPIO_ACTIVE_LOW>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <100000>;
+
+		rgmii0: phy@1 {
+			reg = <0x1>;
+		};
+	};
+};
+
+&pdma {
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-0 = <&uart0_2_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
new file mode 100644
index 000000000000..58098c4a2aab
--- /dev/null
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2025 Michael Opdenacker <michael.opdenacker@rootcommit.com>
+ */
+
+/dts-v1/;
+
+#include "k1.dtsi"
+#include "k1-pinctrl.dtsi"
+
+/ {
+	model = "OrangePi R2S";
+	compatible = "xunlong,orangepi-r2s", "spacemit,k1";
+
+	aliases {
+		serial0 = &uart0;
+		ethernet0 = &eth0;
+		ethernet1 = &eth1;
+	};
+
+	chosen {
+		stdout-path = "serial0";
+	};
+};
+
+&emmc {
+	bus-width = <8>;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	non-removable;
+	no-sd;
+	no-sdio;
+	status = "okay";
+};
+
+&eth0 {
+	phy-handle = <&rgmii0>;
+	phy-mode = "rgmii-id";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac0_cfg>;
+	rx-internal-delay-ps = <0>;
+	tx-internal-delay-ps = <0>;
+	status = "okay";
+
+	mdio-bus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		reset-gpios = <&gpio K1_GPIO(110) GPIO_ACTIVE_LOW>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <100000>;
+
+		rgmii0: phy@1 {
+			reg = <0x1>;
+		};
+	};
+};
+
+&eth1 {
+	phy-handle = <&rgmii1>;
+	phy-mode = "rgmii-id";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac1_cfg>;
+	rx-internal-delay-ps = <0>;
+	tx-internal-delay-ps = <250>;
+	status = "okay";
+
+	mdio-bus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		reset-gpios = <&gpio K1_GPIO(115) GPIO_ACTIVE_LOW>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <100000>;
+
+		rgmii1: phy@1 {
+			reg = <0x1>;
+		};
+	};
+};
+
+&pdma {
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_2_cfg>;
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
index 337240ebb7b7..41dc8e35e6eb 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
@@ -15,6 +15,8 @@
 
 	aliases {
 		serial0 = &uart0;
+		ethernet0 = &eth0;
+		ethernet1 = &eth1;
 	};
 
 	chosen {
@@ -33,6 +35,56 @@
 	};
 };
 
+&eth0 {
+	phy-handle = <&rgmii0>;
+	phy-mode = "rgmii-id";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac0_cfg>;
+	rx-internal-delay-ps = <0>;
+	tx-internal-delay-ps = <0>;
+	status = "okay";
+
+	mdio-bus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		reset-gpios = <&gpio K1_GPIO(110) GPIO_ACTIVE_LOW>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <100000>;
+
+		rgmii0: phy@1 {
+			reg = <0x1>;
+		};
+	};
+};
+
+&eth1 {
+	phy-handle = <&rgmii1>;
+	phy-mode = "rgmii-id";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac1_cfg>;
+	rx-internal-delay-ps = <0>;
+	tx-internal-delay-ps = <250>;
+	status = "okay";
+
+	mdio-bus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		reset-gpios = <&gpio K1_GPIO(115) GPIO_ACTIVE_LOW>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <100000>;
+
+		rgmii1: phy@1 {
+			reg = <0x1>;
+		};
+	};
+};
+
+&pdma {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_2_cfg>;
diff --git a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
index aff19c86d5ff..e922e05ff856 100644
--- a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
@@ -59,11 +59,472 @@
 		};
 	};
 
+	i2c2_0_cfg: i2c2-0-cfg {
+		i2c2-0-pins {
+			pinmux = <K1_PADCONF(84, 4)>,	/* I2C2_SCL */
+				 <K1_PADCONF(85, 4)>;	/* I2C2_SDA */
+		};
+	};
+
+	i2c8_cfg: i2c8-cfg {
+		i2c8-0-pins {
+			pinmux = <K1_PADCONF(93, 0)>,	/* PWR_SCL */
+				 <K1_PADCONF(94, 0)>;	/* PWR_SDA */
+		};
+	};
+
+	qspi_cfg: qspi-cfg {
+		qspi-pins {
+			pinmux = <K1_PADCONF(98, 0)>,    /* QSPI_DATA3 */
+				 <K1_PADCONF(99, 0)>,    /* QSPI_DATA2 */
+				 <K1_PADCONF(100, 0)>,   /* QSPI_DATA1 */
+				 <K1_PADCONF(101, 0)>,   /* QSPI_DATA0 */
+				 <K1_PADCONF(102, 0)>;   /* QSPI_CLK */
+
+			bias-disable;
+			drive-strength = <19>;
+			power-source = <3300>;
+		};
+
+		qspi-cs1-pins {
+			pinmux = <K1_PADCONF(103, 0)>;   /* QSPI_CS1 */
+			bias-pull-up = <0>;
+			drive-strength = <19>;
+			power-source = <3300>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart0_0_cfg: uart0-0-cfg {
+		uart0-0-pins {
+			pinmux = <K1_PADCONF(104, 3)>,	/* uart0_txd */
+				 <K1_PADCONF(105, 3)>;	/* uart0_rxd */
+			power-source = <3300>;
+			bias-pull-up = <0>;
+			drive-strength = <19>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart0_1_cfg: uart0-1-cfg {
+		uart0-1-pins {
+			pinmux = <K1_PADCONF(108, 1)>,	/* uart0_txd */
+				 <K1_PADCONF(80, 3)>;	/* uart0_rxd */
+			power-source = <3300>;
+			bias-pull-up = <0>;
+			drive-strength = <19>;
+		};
+	};
+
+	/omit-if-no-ref/
 	uart0_2_cfg: uart0-2-cfg {
 		uart0-2-pins {
-			pinmux = <K1_PADCONF(68, 2)>,
-				 <K1_PADCONF(69, 2)>;
+			pinmux = <K1_PADCONF(68, 2)>,	/* uart0_txd */
+				 <K1_PADCONF(69, 2)>;	/* uart0_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart2_0_cfg: uart2-0-cfg {
+		uart2-0-pins {
+			pinmux = <K1_PADCONF(21, 1)>,	/* uart2_txd */
+				 <K1_PADCONF(22, 1)>;	/* uart2_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart2_0_cts_rts_cfg: uart2-0-cts-rts-cfg {
+		uart2-0-pins {
+			pinmux = <K1_PADCONF(23, 1)>,	/* uart2_cts */
+				 <K1_PADCONF(24, 1)>;	/* uart2_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart3_0_cfg: uart3-0-cfg {
+		uart3-0-pins {
+			pinmux = <K1_PADCONF(81, 2)>,	/* uart3_txd */
+				 <K1_PADCONF(82, 2)>;	/* uart3_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart3_0_cts_rts_cfg: uart3-0-cts-rts-cfg {
+		uart3-0-pins {
+			pinmux = <K1_PADCONF(83, 2)>,	/* uart3_cts */
+				 <K1_PADCONF(84, 2)>;	/* uart3_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart3_1_cfg: uart3-1-cfg {
+		uart3-1-pins {
+			pinmux = <K1_PADCONF(18, 2)>,	/* uart3_txd */
+				 <K1_PADCONF(19, 2)>;	/* uart3_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart3_1_cts_rts_cfg: uart3-1-cts-rts-cfg {
+		uart3-1-pins {
+			pinmux = <K1_PADCONF(20, 2)>,	/* uart3_cts */
+				 <K1_PADCONF(21, 2)>;	/* uart3_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart3_2_cfg: uart3-2-cfg {
+		uart3-2-pins {
+			pinmux = <K1_PADCONF(53, 4)>,	/* uart3_txd */
+				 <K1_PADCONF(54, 4)>;	/* uart3_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart3_2_cts_rts_cfg: uart3-2-cts-rts-cfg {
+		uart3-2-pins {
+			pinmux = <K1_PADCONF(55, 4)>,	/* uart3_cts */
+				 <K1_PADCONF(56, 4)>;	/* uart3_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart4_0_cfg: uart4-0-cfg {
+		uart4-0-pins {
+			pinmux = <K1_PADCONF(100, 4)>,	/* uart4_txd */
+				 <K1_PADCONF(101, 4)>;	/* uart4_rxd */
+			power-source = <3300>;
+			bias-pull-up = <0>;
+			drive-strength = <19>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart4_1_cfg: uart4-1-cfg {
+		uart4-1-pins {
+			pinmux = <K1_PADCONF(83, 3)>,	/* uart4_txd */
+				 <K1_PADCONF(84, 3)>;	/* uart4_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart4_1_cts_rts_cfg: uart4-1-cts-rts-cfg {
+		uart4-1-pins {
+			pinmux = <K1_PADCONF(81, 3)>,	/* uart4_cts */
+				 <K1_PADCONF(82, 3)>;	/* uart4_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart4_2_cfg: uart4-2-cfg {
+		uart4-2-pins {
+			pinmux = <K1_PADCONF(23, 2)>,	/* uart4_txd */
+				 <K1_PADCONF(24, 2)>;	/* uart4_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart4_3_cfg: uart4-3-cfg {
+		uart4-3-pins {
+			pinmux = <K1_PADCONF(33, 2)>,	/* uart4_txd */
+				 <K1_PADCONF(34, 2)>;	/* uart4_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart4_3_cts_rts_cfg: uart4-3-cts-rts-cfg {
+		uart4-3-pins {
+			pinmux = <K1_PADCONF(35, 2)>,	/* uart4_cts */
+				 <K1_PADCONF(36, 2)>;	/* uart4_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart4_4_cfg: uart4-4-cfg {
+		uart4-4-pins {
+			pinmux = <K1_PADCONF(111, 4)>,	/* uart4_txd */
+				 <K1_PADCONF(112, 4)>;	/* uart4_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart4_4_cts_rts_cfg: uart4-4-cts-rts-cfg {
+		uart4-4-pins {
+			pinmux = <K1_PADCONF(113, 4)>,	/* uart4_cts */
+				 <K1_PADCONF(114, 4)>;	/* uart4_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart5_0_cfg: uart5-0-cfg {
+		uart5-0-pins {
+			pinmux = <K1_PADCONF(102, 3)>,	/* uart5_txd */
+				 <K1_PADCONF(103, 3)>;	/* uart5_rxd */
+			power-source = <3300>;
+			bias-pull-up = <0>;
+			drive-strength = <19>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart5_1_cfg: uart5-1-cfg {
+		uart5-1-pins {
+			pinmux = <K1_PADCONF(25, 2)>,	/* uart5_txd */
+				 <K1_PADCONF(26, 2)>;	/* uart5_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart5_1_cts_rts_cfg: uart5-1-cts-rts-cfg {
+		uart5-1-pins {
+			pinmux = <K1_PADCONF(27, 2)>,	/* uart5_cts */
+				 <K1_PADCONF(28, 2)>;	/* uart5_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart5_2_cfg: uart5-2-cfg {
+		uart5-2-pins {
+			pinmux = <K1_PADCONF(42, 2)>,	/* uart5_txd */
+				 <K1_PADCONF(43, 2)>;	/* uart5_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart5_2_cts_rts_cfg: uart5-2-cts-rts-cfg {
+		uart5-2-pins {
+			pinmux = <K1_PADCONF(44, 2)>,	/* uart5_cts */
+				 <K1_PADCONF(45, 2)>;	/* uart5_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart5_3_cfg: uart5-3-cfg {
+		uart5-3-pins {
+			pinmux = <K1_PADCONF(70, 4)>,	/* uart5_txd */
+				 <K1_PADCONF(71, 4)>;	/* uart5_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart5_3_cts_rts_cfg: uart5-3-cts-rts-cfg {
+		uart5-3-pins {
+			pinmux = <K1_PADCONF(72, 4)>,	/* uart5_cts */
+				 <K1_PADCONF(73, 4)>;	/* uart5_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart6_0_cfg: uart6-0-cfg {
+		uart6-0-pins {
+			pinmux = <K1_PADCONF(86, 2)>,	/* uart6_txd */
+				 <K1_PADCONF(87, 2)>;	/* uart6_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart6_0_cts_rts_cfg: uart6-0-cts-rts-cfg {
+		uart6-0-pins {
+			pinmux = <K1_PADCONF(85, 2)>,	/* uart6_cts */
+				 <K1_PADCONF(90, 2)>;	/* uart6_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart6_1_cfg: uart6-1-cfg {
+		uart6-1-pins {
+			pinmux = <K1_PADCONF(0, 2)>,	/* uart6_txd */
+				 <K1_PADCONF(1, 2)>;	/* uart6_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart6_1_cts_rts_cfg: uart6-1-cts-rts-cfg {
+		uart6-1-pins {
+			pinmux = <K1_PADCONF(2, 2)>,	/* uart6_cts */
+				 <K1_PADCONF(3, 2)>;	/* uart6_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart6_2_cfg: uart6-2-cfg {
+		uart6-2-pins {
+			pinmux = <K1_PADCONF(56, 2)>,	/* uart6_txd */
+				 <K1_PADCONF(57, 2)>;	/* uart6_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart7_0_cfg: uart7-0-cfg {
+		uart7-0-pins {
+			pinmux = <K1_PADCONF(88, 2)>,	/* uart7_txd */
+				 <K1_PADCONF(89, 2)>;	/* uart7_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart7_1_cfg: uart7-1-cfg {
+		uart7-1-pins {
+			pinmux = <K1_PADCONF(4, 2)>,	/* uart7_txd */
+				 <K1_PADCONF(5, 2)>;	/* uart7_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart7_1_cts_rts_cfg: uart7-1-cts-rts-cfg {
+		uart7-1-pins {
+			pinmux = <K1_PADCONF(6, 2)>,	/* uart7_cts */
+				 <K1_PADCONF(7, 2)>;	/* uart7_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart8_0_cfg: uart8-0-cfg {
+		uart8-0-pins {
+			pinmux = <K1_PADCONF(82, 4)>,	/* uart8_txd */
+				 <K1_PADCONF(83, 4)>;	/* uart8_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart8_1_cfg: uart8-1-cfg {
+		uart8-1-pins {
+			pinmux = <K1_PADCONF(8, 2)>,	/* uart8_txd */
+				 <K1_PADCONF(9, 2)>;	/* uart8_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart8_1_cts_rts_cfg: uart8-1-cts-rts-cfg {
+		uart8-1-pins {
+			pinmux = <K1_PADCONF(10, 2)>,	/* uart8_cts */
+				 <K1_PADCONF(11, 2)>;	/* uart8_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart8_2_cfg: uart8-2-cfg {
+		uart8-2-pins {
+			pinmux = <K1_PADCONF(75, 4)>,	/* uart8_txd */
+				 <K1_PADCONF(76, 4)>;	/* uart8_rxd */
+			power-source = <3300>;
+			bias-pull-up = <0>;
+			drive-strength = <19>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart8_2_cts_rts_cfg: uart8-2-cts-rts-cfg {
+		uart8-2-pins {
+			pinmux = <K1_PADCONF(77, 4)>,	/* uart8_cts */
+				 <K1_PADCONF(78, 4)>;	/* uart8_rts */
+			power-source = <3300>;
+			bias-pull-up = <0>;
+			drive-strength = <19>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart9_0_cfg: uart9-0-cfg {
+		uart9-0-pins {
+			pinmux = <K1_PADCONF(12, 2)>,	/* uart9_txd */
+				 <K1_PADCONF(13, 2)>;	/* uart9_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart9_1_cfg: uart9-1-cfg {
+		uart9-1-pins {
+			pinmux = <K1_PADCONF(116, 3)>,	/* uart9_txd */
+				 <K1_PADCONF(117, 3)>;	/* uart9_rxd */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
+
+	/omit-if-no-ref/
+	uart9_1_cts_rts_cfg: uart9-1-cts-rts-cfg {
+		uart9-1-pins {
+			pinmux = <K1_PADCONF(110, 3)>,	/* uart9_cts */
+				 <K1_PADCONF(115, 3)>;	/* uart9_rts */
+			bias-pull-up = <0>;
+			drive-strength = <32>;
+		};
+	};
 
+	/omit-if-no-ref/
+	uart9_2_cfg: uart9-2-cfg {
+		uart9-2-pins {
+			pinmux = <K1_PADCONF(72, 2)>,	/* uart9_txd */
+				 <K1_PADCONF(73, 2)>;	/* uart9_rxd */
 			bias-pull-up = <0>;
 			drive-strength = <32>;
 		};
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index 6cdcd80a7c83..7818ca4979b6 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -358,6 +358,71 @@
 			#reset-cells = <1>;
 		};
 
+		i2c0: i2c@d4010800 {
+			compatible = "spacemit,k1-i2c";
+			reg = <0x0 0xd4010800 0x0 0x38>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&syscon_apbc CLK_TWSI0>,
+				 <&syscon_apbc CLK_TWSI0_BUS>;
+			clock-names = "func", "bus";
+			clock-frequency = <400000>;
+			interrupts = <36>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@d4011000 {
+			compatible = "spacemit,k1-i2c";
+			reg = <0x0 0xd4011000 0x0 0x38>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&syscon_apbc CLK_TWSI1>,
+				 <&syscon_apbc CLK_TWSI1_BUS>;
+			clock-names = "func", "bus";
+			clock-frequency = <400000>;
+			interrupts = <37>;
+			status = "disabled";
+		};
+
+		i2c2: i2c@d4012000 {
+			compatible = "spacemit,k1-i2c";
+			reg = <0x0 0xd4012000 0x0 0x38>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&syscon_apbc CLK_TWSI2>,
+				 <&syscon_apbc CLK_TWSI2_BUS>;
+			clock-names = "func", "bus";
+			clock-frequency = <400000>;
+			interrupts = <38>;
+			status = "disabled";
+		};
+
+		i2c4: i2c@d4012800 {
+			compatible = "spacemit,k1-i2c";
+			reg = <0x0 0xd4012800 0x0 0x38>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&syscon_apbc CLK_TWSI4>,
+				 <&syscon_apbc CLK_TWSI4_BUS>;
+			clock-names = "func", "bus";
+			clock-frequency = <400000>;
+			interrupts = <40>;
+			status = "disabled";
+		};
+
+		i2c5: i2c@d4013800 {
+			compatible = "spacemit,k1-i2c";
+			reg = <0x0 0xd4013800 0x0 0x38>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&syscon_apbc CLK_TWSI5>,
+				 <&syscon_apbc CLK_TWSI5_BUS>;
+			clock-names = "func", "bus";
+			clock-frequency = <400000>;
+			interrupts = <41>;
+			status = "disabled";
+		};
+
 		syscon_apbc: system-controller@d4015000 {
 			compatible = "spacemit,k1-syscon-apbc";
 			reg = <0x0 0xd4015000 0x0 0x1000>;
@@ -369,6 +434,19 @@
 			#reset-cells = <1>;
 		};
 
+		i2c6: i2c@d4018800 {
+			compatible = "spacemit,k1-i2c";
+			reg = <0x0 0xd4018800 0x0 0x38>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&syscon_apbc CLK_TWSI6>,
+				 <&syscon_apbc CLK_TWSI6_BUS>;
+			clock-names = "func", "bus";
+			clock-frequency = <400000>;
+			interrupts = <70>;
+			status = "disabled";
+		};
+
 		gpio: gpio@d4019000 {
 			compatible = "spacemit,k1-gpio";
 			reg = <0x0 0xd4019000 0x0 0x100>;
@@ -459,6 +537,32 @@
 			status = "disabled";
 		};
 
+		i2c7: i2c@d401d000 {
+			compatible = "spacemit,k1-i2c";
+			reg = <0x0 0xd401d000 0x0 0x38>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&syscon_apbc CLK_TWSI7>,
+				 <&syscon_apbc CLK_TWSI7_BUS>;
+			clock-names = "func", "bus";
+			clock-frequency = <400000>;
+			interrupts = <18>;
+			status = "disabled";
+		};
+
+		i2c8: i2c@d401d800 {
+			compatible = "spacemit,k1-i2c";
+			reg = <0x0 0xd401d800 0x0 0x38>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&syscon_apbc CLK_TWSI8>,
+				 <&syscon_apbc CLK_TWSI8_BUS>;
+			clock-names = "func", "bus";
+			clock-frequency = <400000>;
+			interrupts = <19>;
+			status = "disabled";
+		};
+
 		pinctrl: pinctrl@d401e000 {
 			compatible = "spacemit,k1-pinctrl";
 			reg = <0x0 0xd401e000 0x0 0x400>;
@@ -643,6 +747,8 @@
 			#reset-cells = <1>;
 		};
 
+		/* sec_i2c3: 0xf0614000, not available from Linux */
+
 		camera-bus {
 			compatible = "simple-bus";
 			ranges;
@@ -797,6 +903,22 @@
 				status = "disabled";
 			};
 
+			qspi: spi@d420c000 {
+				compatible = "spacemit,k1-qspi";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0x0 0xd420c000 0x0 0x1000>,
+				      <0x0 0xb8000000 0x0 0xc00000>;
+				reg-names = "QuadSPI", "QuadSPI-memory";
+				clocks = <&syscon_apmu CLK_QSPI_BUS>,
+					 <&syscon_apmu CLK_QSPI>;
+				clock-names = "qspi_en", "qspi";
+				resets = <&syscon_apmu RESET_QSPI>,
+					 <&syscon_apmu RESET_QSPI_BUS>;
+				interrupts = <117>;
+				status = "disabled";
+			};
+
 			/* sec_uart1: 0xf0612000, not available from Linux */
 		};