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authorArnd Bergmann <arnd@arndb.de>2025-09-23 22:22:19 +0200
committerArnd Bergmann <arnd@arndb.de>2025-09-23 22:22:24 +0200
commitec1ede181e16e54f98f0eacbc6b6054677cbf7b8 (patch)
treed029384a8bfb453705779c245805fafed0addda4 /arch/riscv
parent17752efeca0925bf607fe55abe9eae3136a06d78 (diff)
parent0f084b221e2c5ba16eca85b3d2497f9486bd0329 (diff)
downloadlinux-ec1ede181e16e54f98f0eacbc6b6054677cbf7b8.tar.gz
Merge tag 'spacemit-dt-for-6.18-1' of https://github.com/spacemit-com/linux into soc/dt
RISC-V SpacemiT DT changes for 6.18 - Add OrangePi RV2 board support - Add reset support to UART driver - Add PDMA driver support - Remove sec_uart1 node * tag 'spacemit-dt-for-6.18-1' of https://github.com/spacemit-com/linux: riscv: dts: spacemit: uart: remove sec_uart1 device node riscv: dts: spacemit: Enable PDMA on Banana Pi F3 and Milkv Jupiter riscv: dts: spacemit: Add PDMA node for K1 SoC riscv: dts: spacemit: add UART resets for Soc K1 riscv: dts: spacemit: Add OrangePi RV2 board device tree dt-bindings: riscv: spacemit: Add OrangePi RV2 board Link: https://lore.kernel.org/r/20250919055525-GYC5766558@gentoo.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/riscv')
-rw-r--r--arch/riscv/boot/dts/spacemit/Makefile1
-rw-r--r--arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts4
-rw-r--r--arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts4
-rw-r--r--arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts40
-rw-r--r--arch/riscv/boot/dts/spacemit/k1.dtsi31
5 files changed, 70 insertions, 10 deletions
diff --git a/arch/riscv/boot/dts/spacemit/Makefile b/arch/riscv/boot/dts/spacemit/Makefile
index 92e13ce1c16d55..15283264487062 100644
--- a/arch/riscv/boot/dts/spacemit/Makefile
+++ b/arch/riscv/boot/dts/spacemit/Makefile
@@ -1,3 +1,4 @@
# 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-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 fe22c747c5012f..6013be25854283 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -40,6 +40,10 @@
status = "okay";
};
+&pdma {
+ status = "okay";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_2_cfg>;
diff --git a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
index 4483192141049c..c615fcadbd333a 100644
--- a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
@@ -20,6 +20,10 @@
};
};
+&pdma {
+ status = "okay";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_2_cfg>;
diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
new file mode 100644
index 00000000000000..337240ebb7b794
--- /dev/null
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
+ * Copyright (C) 2025 Hendrik Hamerlinck <hendrik.hamerlinck@hammernet.be>
+ */
+
+/dts-v1/;
+
+#include "k1.dtsi"
+#include "k1-pinctrl.dtsi"
+
+/ {
+ model = "OrangePi RV2";
+ compatible = "xunlong,orangepi-rv2", "spacemit,k1";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led1 {
+ label = "sys-led";
+ gpios = <&gpio K1_GPIO(96) GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "heartbeat";
+ default-state = "on";
+ };
+ };
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_2_cfg>;
+ status = "okay";
+};
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index abde8bb07c95c5..66b33a9110ccd6 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -660,6 +660,17 @@
dma-ranges = <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>,
<0x1 0x00000000 0x1 0x80000000 0x3 0x00000000>;
+ pdma: dma-controller@d4000000 {
+ compatible = "spacemit,k1-pdma";
+ reg = <0x0 0xd4000000 0x0 0x4000>;
+ clocks = <&syscon_apmu CLK_DMA>;
+ resets = <&syscon_apmu RESET_DMA>;
+ interrupts = <72>;
+ dma-channels = <16>;
+ #dma-cells= <1>;
+ status = "disabled";
+ };
+
uart0: serial@d4017000 {
compatible = "spacemit,k1-uart",
"intel,xscale-uart";
@@ -667,6 +678,7 @@
clocks = <&syscon_apbc CLK_UART0>,
<&syscon_apbc CLK_UART0_BUS>;
clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_UART0>;
interrupts = <42>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -680,6 +692,7 @@
clocks = <&syscon_apbc CLK_UART2>,
<&syscon_apbc CLK_UART2_BUS>;
clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_UART2>;
interrupts = <44>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -693,6 +706,7 @@
clocks = <&syscon_apbc CLK_UART3>,
<&syscon_apbc CLK_UART3_BUS>;
clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_UART3>;
interrupts = <45>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -706,6 +720,7 @@
clocks = <&syscon_apbc CLK_UART4>,
<&syscon_apbc CLK_UART4_BUS>;
clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_UART4>;
interrupts = <46>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -719,6 +734,7 @@
clocks = <&syscon_apbc CLK_UART5>,
<&syscon_apbc CLK_UART5_BUS>;
clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_UART5>;
interrupts = <47>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -732,6 +748,7 @@
clocks = <&syscon_apbc CLK_UART6>,
<&syscon_apbc CLK_UART6_BUS>;
clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_UART6>;
interrupts = <48>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -745,6 +762,7 @@
clocks = <&syscon_apbc CLK_UART7>,
<&syscon_apbc CLK_UART7_BUS>;
clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_UART7>;
interrupts = <49>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -758,6 +776,7 @@
clocks = <&syscon_apbc CLK_UART8>,
<&syscon_apbc CLK_UART8_BUS>;
clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_UART8>;
interrupts = <50>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -771,22 +790,14 @@
clocks = <&syscon_apbc CLK_UART9>,
<&syscon_apbc CLK_UART9_BUS>;
clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_UART9>;
interrupts = <51>;
reg-shift = <2>;
reg-io-width = <4>;
status = "disabled";
};
- sec_uart1: serial@f0612000 {
- compatible = "spacemit,k1-uart",
- "intel,xscale-uart";
- reg = <0x0 0xf0612000 0x0 0x100>;
- interrupts = <43>;
- clock-frequency = <14857000>;
- reg-shift = <2>;
- reg-io-width = <4>;
- status = "reserved"; /* for TEE usage */
- };
+ /* sec_uart1: 0xf0612000, not available from Linux */
};
multimedia-bus {
generated by cgit 1.2.3-korg (git 2.43.0) at 2025-12-02 16:48:04 +0000