From: Emil Renner Berthing <kernel@xxxxxxxx>
Add a minimal device tree for StarFive JH7110 VisionFive2 board.
Support booting and basic clock/reset/pinctrl/uart drivers.
Signed-off-by: Emil Renner Berthing <kernel@xxxxxxxx>
Co-developed-by: Jianlong Huang <jianlong.huang@xxxxxxxxxxxxxxxx>
Signed-off-by: Jianlong Huang <jianlong.huang@xxxxxxxxxxxxxxxx>
Co-developed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>
Signed-off-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>
---
arch/riscv/boot/dts/starfive/Makefile | 1 +
.../jh7110-starfive-visionfive-v2.dts | 116 ++++++++++++++++++
2 files changed, 117 insertions(+)
create mode 100644 arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile
index 0ea1bc15ab30..e1237dbc6aac 100644
--- a/arch/riscv/boot/dts/starfive/Makefile
+++ b/arch/riscv/boot/dts/starfive/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_SOC_STARFIVE) += jh7100-beaglev-starlight.dtb
+dtb-$(CONFIG_SOC_STARFIVE) += jh7110-starfive-visionfive-v2.dtb
diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
new file mode 100644
index 000000000000..c8946cf3a268
--- /dev/null
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2022 StarFive Technology Co., Ltd.
+ * Copyright (C) 2022 Emil Renner Berthing <kernel@xxxxxxxx>
+ */
+
+/dts-v1/;
+#include "jh7110.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/pinctrl-starfive-jh7110.h>
+
+/ {
+ model = "StarFive VisionFive V2";
+ compatible = "starfive,visionfive-v2", "starfive,jh7110";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ linux,initrd-start = <0x46100000>;
+ linux,initrd-end = <0x4c000000>;
+ stdout-path = "serial0:115200";
+ };
+
+ cpus {
+ timebase-frequency = <4000000>;
+ };
+
+ memory@40000000 {
+ device_type = "memory";
+ reg = <0x0 0x40000000 0x1 0x0>;
+ };
+
+ gpio-restart {
+ compatible = "gpio-restart";
+ gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
+ priority = <224>;
+ };
+};
+
+&osc {
+ clock-frequency = <24000000>;
+};
+
+&clk_rtc {
+ clock-frequency = <32768>;
+};
+
+&gmac0_rmii_refin {
+ clock-frequency = <50000000>;
+};
+
+&gmac0_rgmii_rxin {
+ clock-frequency = <125000000>;
+};
+
+&gmac1_rmii_refin {
+ clock-frequency = <50000000>;
+};
+
+&gmac1_rgmii_rxin {
+ clock-frequency = <125000000>;
+};
+
+&i2stx_bclk_ext {
+ clock-frequency = <12288000>;
+};
+
+&i2stx_lrck_ext {
+ clock-frequency = <192000>;
+};
+
+&i2srx_bclk_ext {
+ clock-frequency = <12288000>;
+};
+
+&i2srx_lrck_ext {
+ clock-frequency = <192000>;
+};
+
+&tdm_ext {
+ clock-frequency = <49152000>;
+};
+
+&mclk_ext {
+ clock-frequency = <12288000>;
+};
+
+&gpio {
+ uart0_pins: uart0-0 {
+ tx-pins {
+ pinmux = <GPIOMUX(5, GPOUT_SYS_UART0_TX, GPOEN_ENABLE, GPI_NONE)>;
+ bias-disable;
+ drive-strength = <12>;
+ input-disable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+
+ rx-pins {
+ pinmux = <GPIOMUX(6, GPOUT_LOW, GPOEN_DISABLE, GPI_SYS_UART0_RX)>;
+ bias-pull-up;
+ drive-strength = <2>;
+ input-enable;
+ input-schmitt-enable;
+ slew-rate = <0>;
+ };
+ };
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+ status = "okay";
+};
--
2.38.1
