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-rw-r--r--arch/riscv/boot/dts/spacemit/Makefile1
-rw-r--r--arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts11
-rw-r--r--arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts27
-rw-r--r--arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi3
-rw-r--r--arch/riscv/boot/dts/spacemit/k1.dtsi132
5 files changed, 165 insertions, 9 deletions
diff --git a/arch/riscv/boot/dts/spacemit/Makefile b/arch/riscv/boot/dts/spacemit/Makefile
index ac617319a574..92e13ce1c16d 100644
--- a/arch/riscv/boot/dts/spacemit/Makefile
+++ b/arch/riscv/boot/dts/spacemit/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_SPACEMIT) += k1-bananapi-f3.dtb
+dtb-$(CONFIG_ARCH_SPACEMIT) += k1-milkv-jupiter.dtb
diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 1d617b40a2d5..816ef1bc358e 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -17,6 +17,17 @@
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";
+ };
+ };
};
&uart0 {
diff --git a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
new file mode 100644
index 000000000000..448319214104
--- /dev/null
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
+ * Copyright (C) 2025 Javier Martinez Canillas <javierm@redhat.com>
+ */
+
+#include "k1.dtsi"
+#include "k1-pinctrl.dtsi"
+
+/ {
+ model = "Milk-V Jupiter (K1)";
+ compatible = "milkv,jupiter", "spacemit,k1";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0";
+ };
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_2_cfg>;
+ status = "okay";
+};
diff --git a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
index a8eac5517f85..283663647a86 100644
--- a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
@@ -7,6 +7,9 @@
#define K1_PADCONF(pin, func) (((pin) << 16) | (func))
+/* Map GPIO pin to each bank's <index, offset> */
+#define K1_GPIO(x) (x / 32) (x % 32)
+
&pinctrl {
uart0_2_cfg: uart0-2-cfg {
uart0-2-pins {
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index c670ebf8fa12..c0f8c5fca975 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -3,6 +3,8 @@
* Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
*/
+#include <dt-bindings/clock/spacemit,k1-syscon.h>
+
/dts-v1/;
/ {
#address-cells = <2>;
@@ -306,6 +308,36 @@
};
};
+ clocks {
+ vctcxo_1m: clock-1m {
+ compatible = "fixed-clock";
+ clock-frequency = <1000000>;
+ clock-output-names = "vctcxo_1m";
+ #clock-cells = <0>;
+ };
+
+ vctcxo_24m: clock-24m {
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ clock-output-names = "vctcxo_24m";
+ #clock-cells = <0>;
+ };
+
+ vctcxo_3m: clock-3m {
+ compatible = "fixed-clock";
+ clock-frequency = <3000000>;
+ clock-output-names = "vctcxo_3m";
+ #clock-cells = <0>;
+ };
+
+ osc_32k: clock-32k {
+ compatible = "fixed-clock";
+ clock-frequency = <32000>;
+ clock-output-names = "osc_32k";
+ #clock-cells = <0>;
+ };
+ };
+
soc {
compatible = "simple-bus";
interrupt-parent = <&plic>;
@@ -314,11 +346,24 @@
dma-noncoherent;
ranges;
+ syscon_apbc: system-controller@d4015000 {
+ compatible = "spacemit,k1-syscon-apbc";
+ reg = <0x0 0xd4015000 0x0 0x1000>;
+ clocks = <&osc_32k>, <&vctcxo_1m>, <&vctcxo_3m>,
+ <&vctcxo_24m>;
+ clock-names = "osc", "vctcxo_1m", "vctcxo_3m",
+ "vctcxo_24m";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
uart0: serial@d4017000 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017000 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_UART0>,
+ <&syscon_apbc CLK_UART0_BUS>;
+ clock-names = "core", "bus";
interrupts = <42>;
- clock-frequency = <14857000>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -327,8 +372,10 @@
uart2: serial@d4017100 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017100 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_UART2>,
+ <&syscon_apbc CLK_UART2_BUS>;
+ clock-names = "core", "bus";
interrupts = <44>;
- clock-frequency = <14857000>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -337,8 +384,10 @@
uart3: serial@d4017200 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017200 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_UART3>,
+ <&syscon_apbc CLK_UART3_BUS>;
+ clock-names = "core", "bus";
interrupts = <45>;
- clock-frequency = <14857000>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -347,8 +396,10 @@
uart4: serial@d4017300 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017300 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_UART4>,
+ <&syscon_apbc CLK_UART4_BUS>;
+ clock-names = "core", "bus";
interrupts = <46>;
- clock-frequency = <14857000>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -357,8 +408,10 @@
uart5: serial@d4017400 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017400 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_UART5>,
+ <&syscon_apbc CLK_UART5_BUS>;
+ clock-names = "core", "bus";
interrupts = <47>;
- clock-frequency = <14857000>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -367,8 +420,10 @@
uart6: serial@d4017500 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017500 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_UART6>,
+ <&syscon_apbc CLK_UART6_BUS>;
+ clock-names = "core", "bus";
interrupts = <48>;
- clock-frequency = <14857000>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -377,8 +432,10 @@
uart7: serial@d4017600 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017600 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_UART7>,
+ <&syscon_apbc CLK_UART7_BUS>;
+ clock-names = "core", "bus";
interrupts = <49>;
- clock-frequency = <14857000>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -387,8 +444,10 @@
uart8: serial@d4017700 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017700 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_UART8>,
+ <&syscon_apbc CLK_UART8_BUS>;
+ clock-names = "core", "bus";
interrupts = <50>;
- clock-frequency = <14857000>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
@@ -397,16 +456,71 @@
uart9: serial@d4017800 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xd4017800 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_UART9>,
+ <&syscon_apbc CLK_UART9_BUS>;
+ clock-names = "core", "bus";
interrupts = <51>;
- clock-frequency = <14857000>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
};
+ gpio: gpio@d4019000 {
+ compatible = "spacemit,k1-gpio";
+ reg = <0x0 0xd4019000 0x0 0x100>;
+ clocks = <&syscon_apbc CLK_GPIO>,
+ <&syscon_apbc CLK_GPIO_BUS>;
+ clock-names = "core", "bus";
+ gpio-controller;
+ #gpio-cells = <3>;
+ interrupts = <58>;
+ interrupt-parent = <&plic>;
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ gpio-ranges = <&pinctrl 0 0 0 32>,
+ <&pinctrl 1 0 32 32>,
+ <&pinctrl 2 0 64 32>,
+ <&pinctrl 3 0 96 32>;
+ };
+
pinctrl: pinctrl@d401e000 {
compatible = "spacemit,k1-pinctrl";
reg = <0x0 0xd401e000 0x0 0x400>;
+ clocks = <&syscon_apbc CLK_AIB>,
+ <&syscon_apbc CLK_AIB_BUS>;
+ clock-names = "func", "bus";
+ };
+
+ syscon_mpmu: system-controller@d4050000 {
+ compatible = "spacemit,k1-syscon-mpmu";
+ reg = <0x0 0xd4050000 0x0 0x209c>;
+ clocks = <&osc_32k>, <&vctcxo_1m>, <&vctcxo_3m>,
+ <&vctcxo_24m>;
+ clock-names = "osc", "vctcxo_1m", "vctcxo_3m",
+ "vctcxo_24m";
+ #clock-cells = <1>;
+ #power-domain-cells = <1>;
+ #reset-cells = <1>;
+ };
+
+ pll: clock-controller@d4090000 {
+ compatible = "spacemit,k1-pll";
+ reg = <0x0 0xd4090000 0x0 0x1000>;
+ clocks = <&vctcxo_24m>;
+ spacemit,mpmu = <&syscon_mpmu>;
+ #clock-cells = <1>;
+ };
+
+ syscon_apmu: system-controller@d4282800 {
+ compatible = "spacemit,k1-syscon-apmu";
+ reg = <0x0 0xd4282800 0x0 0x400>;
+ clocks = <&osc_32k>, <&vctcxo_1m>, <&vctcxo_3m>,
+ <&vctcxo_24m>;
+ clock-names = "osc", "vctcxo_1m", "vctcxo_3m",
+ "vctcxo_24m";
+ #clock-cells = <1>;
+ #power-domain-cells = <1>;
+ #reset-cells = <1>;
};
plic: interrupt-controller@e0000000 {
generated by cgit (git 2.34.1) at 2025-07-31 20:01:12 +0000