Merge branch 'riscv-dt-for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git

5 files changed, 569 insertions, 0 deletions

diff --git a/arch/riscv/boot/dts/canaan/Makefile b/arch/riscv/boot/dts/canaan/Makefile
index 987d1f0c41f0..7d54ea5c6f3d 100644
--- a/arch/riscv/boot/dts/canaan/Makefile
+++ b/arch/riscv/boot/dts/canaan/Makefile
@@ -1,6 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_CANAAN) += canaan_kd233.dtb
 dtb-$(CONFIG_ARCH_CANAAN) += k210_generic.dtb
+dtb-$(CONFIG_ARCH_CANAAN) += k230-canmv.dtb
+dtb-$(CONFIG_ARCH_CANAAN) += k230-evb.dtb
 dtb-$(CONFIG_ARCH_CANAAN) += sipeed_maix_bit.dtb
 dtb-$(CONFIG_ARCH_CANAAN) += sipeed_maix_dock.dtb
 dtb-$(CONFIG_ARCH_CANAAN) += sipeed_maix_go.dtb
diff --git a/arch/riscv/boot/dts/canaan/k230-canmv.dts b/arch/riscv/boot/dts/canaan/k230-canmv.dts
new file mode 100644
index 000000000000..2ba555f6de13
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/k230-canmv.dts
@@ -0,0 +1,343 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
+ */
+
+#include "k230.dtsi"
+
+/ {
+	model = "Canaan CanMV-K230";
+	compatible = "canaan,canmv-k230", "canaan,kendryte-k230";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	ddr: memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x20000000>;
+	};
+
+	timerx_pulse_in: clock-50000000 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <50000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&pinctrl {
+	jtag_pins: jtag-pins {
+		jtag-tck-cfg {
+			pinmux = <K230_PINMUX(2, 1)>;
+			slew-rate = <0>;
+			drive-strength = <4>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			bias-pull-down;
+			input-schmitt-enable;
+		};
+
+		jtag-tdi-cfg {
+			pinmux = <K230_PINMUX(3, 1)>;
+			slew-rate = <0>;
+			drive-strength = <4>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			bias-disable;
+		};
+
+		jtag-tdo-cfg {
+			pinmux = <K230_PINMUX(4, 1)>;
+			slew-rate = <0>;
+			drive-strength = <4>;
+			power-source = <K230_MSC_1V8>;
+			output-enable;
+			bias-disable;
+		};
+
+		jtag-tms-cfg {
+			pinmux = <K230_PINMUX(5, 1)>;
+			slew-rate = <0>;
+			drive-strength = <4>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			bias-pull-up;
+		};
+	};
+
+	uart2_pins: uart2-pins {
+		uart2-pins-cfg {
+			pinmux = <K230_PINMUX(5, 3)>, /* uart2 txd */
+				 <K230_PINMUX(6, 3)>; /* uart2 rxd */
+			slew-rate = <0>;
+			drive-strength = <4>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			output-enable;
+			bias-disable;
+		};
+	};
+
+	pwm2_pins: pwm2-pins {
+		pwm2-pin-cfg {
+			pinmux = <K230_PINMUX(7, 1)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			output-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+	};
+
+	pwm3_pins: pwm3-pins {
+		pwm3-pin-cfg {
+			pinmux = <K230_PINMUX(8, 1)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			output-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+	};
+
+	pwm4_pins: pwm4-pins {
+		pwm4-pin-cfg {
+			pinmux = <K230_PINMUX(9, 1)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			output-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+	};
+
+	iis_pins: iis-pins {
+		iis-clk-cfg {
+			pinmux = <K230_PINMUX(32, 2)>;
+			slew-rate = <0>;
+			drive-strength = <4>;
+			power-source = <K230_MSC_1V8>;
+			output-enable;
+			bias-disable;
+		};
+
+		iis-ws-cfg {
+			pinmux = <K230_PINMUX(33, 2)>;
+			slew-rate = <0>;
+			drive-strength = <4>;
+			power-source = <K230_MSC_1V8>;
+			output-enable;
+			bias-disable;
+		};
+
+		iis-din0-cfg {
+			pinmux = <K230_PINMUX(34, 2)>;
+			slew-rate = <0>;
+			drive-strength = <4>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			bias-disable;
+		};
+
+		iis-dout0-cfg {
+			pinmux = <K230_PINMUX(35, 2)>;
+			slew-rate = <0>;
+			drive-strength = <4>;
+			power-source = <K230_MSC_1V8>;
+			output-enable;
+			bias-disable;
+		};
+	};
+
+	uart4_pins: uart4-pins {
+		uart4-txd-cfg {
+			pinmux = <K230_PINMUX(36, 4)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			output-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+
+		uart4-rxd-cfg {
+			pinmux = <K230_PINMUX(37, 4)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+	};
+
+	uart0_pins: uart0-pins {
+		uart0-txd-cfg {
+			pinmux = <K230_PINMUX(38, 1)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			output-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+
+		uart0-rxd-cfg {
+			pinmux = <K230_PINMUX(39, 1)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+	};
+
+	iic1_pins: iic1-pins {
+		iic1-pins-cfg {
+			pinmux = <K230_PINMUX(40, 2)>, /* iic1 scl */
+				 <K230_PINMUX(41, 2)>; /* iic1 sda */
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			output-enable;
+			bias-pull-up;
+			input-schmitt-enable;
+		};
+	};
+
+	iic3_pins: iic3-pins {
+		iic3-pins-cfg {
+			pinmux = <K230_PINMUX(44, 2)>, /* iic3 scl */
+				 <K230_PINMUX(45, 2)>; /* iic3 sda */
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			output-enable;
+			bias-pull-up;
+			input-schmitt-enable;
+		};
+	};
+
+	iic4_pins: iic4-pins {
+		iic4-pins-cfg {
+			pinmux = <K230_PINMUX(46, 3)>, /* iic4 scl */
+				 <K230_PINMUX(47, 3)>; /* iic4 sda */
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			output-enable;
+			bias-pull-up;
+			input-schmitt-enable;
+		};
+	};
+
+	iic0_pins: iic0-pins {
+		iic0-pins-cfg {
+			pinmux = <K230_PINMUX(48, 3)>, /* iic0 scl */
+				 <K230_PINMUX(49, 3)>; /* iic0 sda */
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_1V8>;
+			input-enable;
+			output-enable;
+			bias-pull-up;
+			input-schmitt-enable;
+		};
+	};
+
+	uart3_pins: uart3-pins {
+		uart3-txd-cfg {
+			pinmux = <K230_PINMUX(50, 1)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_3V3>;
+			output-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+
+		uart3-rxd-cfg {
+			pinmux = <K230_PINMUX(51, 1)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_3V3>;
+			input-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+	};
+
+	key_pins: key-pins {
+		key-pins-cfg {
+			pinmux = <K230_PINMUX(52, 0)>, /* key0 */
+				 <K230_PINMUX(53, 0)>; /* key1 */
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_3V3>;
+			input-enable;
+			output-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+	};
+
+	mmc1_pins: mmc1-pins {
+		mmc1-cmd-cfg {
+			pinmux = <K230_PINMUX(54, 2)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_3V3>;
+			input-enable;
+			output-enable;
+			bias-pull-up;
+			input-schmitt-enable;
+		};
+
+		mmc1-clk-cfg {
+			pinmux = <K230_PINMUX(55, 2)>;
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_3V3>;
+			output-enable;
+			bias-disable;
+			input-schmitt-enable;
+		};
+
+		mmc1-data-cfg {
+			pinmux = <K230_PINMUX(56, 2)>, /* mmc1 data0 */
+				 <K230_PINMUX(57, 2)>, /* mmc1 data1 */
+				 <K230_PINMUX(58, 2)>, /* mmc1 data2 */
+				 <K230_PINMUX(59, 2)>; /* mmc1 data3 */
+			slew-rate = <0>;
+			drive-strength = <7>;
+			power-source = <K230_MSC_3V3>;
+			input-enable;
+			output-enable;
+			bias-pull-up;
+			input-schmitt-enable;
+		};
+	};
+};
+
+&sysclk {
+	clocks = <&osc24m>, <&timerx_pulse_in>;
+	clock-names = "osc24m", "timer-pulse-in";
+};
diff --git a/arch/riscv/boot/dts/canaan/k230-evb.dts b/arch/riscv/boot/dts/canaan/k230-evb.dts
new file mode 100644
index 000000000000..4246e4bba6cc
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/k230-evb.dts
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
+ */
+
+#include "k230.dtsi"
+
+/ {
+	model = "Kendryte K230 EVB";
+	compatible = "canaan,k230-usip-lp3-evb", "canaan,kendryte-k230";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	ddr: memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x20000000>;
+	};
+
+	timerx_pulse_in: clock-50000000 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <50000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&sysclk {
+	clocks = <&osc24m>, <&timerx_pulse_in>;
+	clock-names = "osc24m", "timer-pulse-in";
+};
diff --git a/arch/riscv/boot/dts/canaan/k230-pinctrl.h b/arch/riscv/boot/dts/canaan/k230-pinctrl.h
new file mode 100644
index 000000000000..63dd999ca55b
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/k230-pinctrl.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+/*
+ * Copyright (C) 2024 Canaan Bright Sight Co. Ltd
+ * Copyright (C) 2024 Ze Huang <18771902331@163.com>
+ */
+
+#ifndef _K230_PINCTRL_H
+#define _K230_PINCTRL_H
+
+#define K230_MSC_3V3 0
+#define K230_MSC_1V8 1
+
+#define BANK_VOLTAGE_DEFAULT       K230_MSC_1V8
+#define BANK_VOLTAGE_IO50_IO61     K230_MSC_3V3
+
+#define K230_PINMUX(pin, mode) (((pin) << 8) | (mode))
+
+#endif /* _K230_PINCTRL_H */
diff --git a/arch/riscv/boot/dts/canaan/k230.dtsi b/arch/riscv/boot/dts/canaan/k230.dtsi
new file mode 100644
index 000000000000..6dcb628a960b
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/k230.dtsi
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
+ */
+
+#include <dt-bindings/clock/canaan,k230-clk.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/reset/canaan,k230-rst.h>
+#include "k230-pinctrl.h"
+
+/dts-v1/;
+/ {
+	#address-cells = <2>;
+	#size-cells = <2>;
+	compatible = "canaan,kendryte-k230";
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		timebase-frequency = <27000000>;
+
+		cpu@0 {
+			compatible = "thead,c908", "riscv";
+			device_type = "cpu";
+			reg = <0>;
+			riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicsr_zifencei_zihpm_zfh_zba_zbb_zbc_zbs_zvfh_svpbmt";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
+					       "zicbop", "zicboz", "zicntr", "zicsr", "zifencei",
+					       "zihpm", "zfh", "zba", "zbb", "zbc", "zbs", "zvfh",
+					       "svpbmt";
+			riscv,cbom-block-size = <64>;
+			riscv,cbop-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+			d-cache-block-size = <64>;
+			d-cache-sets = <128>;
+			d-cache-size = <32768>;
+			i-cache-block-size = <64>;
+			i-cache-sets = <128>;
+			i-cache-size = <32768>;
+			next-level-cache = <&l2_cache>;
+			mmu-type = "riscv,sv39";
+
+			cpu0_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		l2_cache: l2-cache {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <262144>;
+			cache-sets = <256>;
+			cache-unified;
+		};
+	};
+
+	osc24m: clock-24000000 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+		clock-output-names = "osc24m";
+	};
+
+	soc {
+		compatible = "simple-bus";
+		interrupt-parent = <&plic>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		dma-noncoherent;
+		ranges;
+
+		plic: interrupt-controller@f00000000 {
+			compatible = "canaan,k230-plic", "thead,c900-plic";
+			reg = <0xf 0x00000000 0x0 0x04000000>;
+			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			riscv,ndev = <208>;
+		};
+
+		clint: timer@f04000000 {
+			compatible = "canaan,k230-clint", "thead,c900-clint";
+			reg = <0xf 0x04000000 0x0 0x00010000>;
+			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
+		};
+
+		rst: reset-controller@91101000 {
+			compatible = "canaan,k230-rst";
+			reg = <0x0 0x91101000 0x0 0x1000>;
+			#reset-cells = <1>;
+		};
+
+		pinctrl: pinctrl@91105000 {
+			compatible = "canaan,k230-pinctrl";
+			reg = <0x0 0x91105000 0x0 0x100>;
+		};
+
+		sysclk: clock-controller@91102000 {
+			compatible = "canaan,k230-clk";
+			reg = <0x0 0x91102000 0x0 0x40>,
+			      <0x0 0x91100000 0x0 0x108>;
+			clocks = <&osc24m>;
+			clock-names = "osc24m";
+			#clock-cells = <1>;
+		};
+
+		uart0: serial@91400000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x0 0x91400000 0x0 0x1000>;
+			clocks = <&sysclk K230_LS_UART0_RATE>;
+			interrupts = <16 IRQ_TYPE_LEVEL_HIGH>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			resets = <&rst RST_UART0>;
+			status = "disabled";
+		};
+
+		uart1: serial@91401000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x0 0x91401000 0x0 0x1000>;
+			clocks = <&sysclk K230_LS_UART1_RATE>;
+			interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			resets = <&rst RST_UART1>;
+			status = "disabled";
+		};
+
+		uart2: serial@91402000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x0 0x91402000 0x0 0x1000>;
+			clocks = <&sysclk K230_LS_UART2_RATE>;
+			interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			resets = <&rst RST_UART2>;
+			status = "disabled";
+		};
+
+		uart3: serial@91403000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x0 0x91403000 0x0 0x1000>;
+			clocks = <&sysclk K230_LS_UART3_RATE>;
+			interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			resets = <&rst RST_UART3>;
+			status = "disabled";
+		};
+
+		uart4: serial@91404000 {
+			compatible = "snps,dw-apb-uart";
+			reg = <0x0 0x91404000 0x0 0x1000>;
+			clocks = <&sysclk K230_LS_UART4_RATE>;
+			interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			resets = <&rst RST_UART4>;
+			status = "disabled";
+		};
+	};
+};