[PATCH v7 21/21] riscv: dts: starfive: jhb100: Add pinctrl nodes
From: Changhuang Liang <changhuang.liang@starfivetech.com>
Date: 2026-08-31 11:36:07
Also in:
linux-gpio, linux-riscv, lkml
Subsystem:
risc-v architecture, starfive devicetrees, the rest · Maintainers:
Paul Walmsley, Palmer Dabbelt, Albert Ou, Emil Renner Berthing, Conor Dooley, Linus Torvalds
Add pinctrl nodes for starfive JHB100 SoC. They contain pinctrl_per0/pinctrl_per1/pinctrl_per2/pinctrl_per2pok/pinctrl_per3/ pinctrl_sys0/pinctrl_sys0h/pinctrl_sys1/pinctrl_sys2. Simultaneously add the pinctrl reference for uart6. Co-developed-by: Lianfeng Ouyang <redacted> Signed-off-by: Lianfeng Ouyang <redacted> Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com> --- arch/riscv/boot/dts/starfive/jhb100-evb1.dts | 3 + .../boot/dts/starfive/jhb100-pinctrl.dtsi | 23 ++++ arch/riscv/boot/dts/starfive/jhb100.dtsi | 107 ++++++++++++++++++ 3 files changed, 133 insertions(+) create mode 100644 arch/riscv/boot/dts/starfive/jhb100-pinctrl.dtsi
diff --git a/arch/riscv/boot/dts/starfive/jhb100-evb1.dts b/arch/riscv/boot/dts/starfive/jhb100-evb1.dts
index 462b6fb7953b..8ad2b30a4e0b 100644
--- a/arch/riscv/boot/dts/starfive/jhb100-evb1.dts
+++ b/arch/riscv/boot/dts/starfive/jhb100-evb1.dts@@ -4,6 +4,7 @@ */ #include "jhb100.dtsi" +#include "jhb100-pinctrl.dtsi" / { model = "StarFive JHB100 EVB-1";
@@ -29,4 +30,6 @@ memory@40000000 { &uart6 { status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart6_pins>; };
diff --git a/arch/riscv/boot/dts/starfive/jhb100-pinctrl.dtsi b/arch/riscv/boot/dts/starfive/jhb100-pinctrl.dtsi
new file mode 100644
index 000000000000..13d9ff146743
--- /dev/null
+++ b/arch/riscv/boot/dts/starfive/jhb100-pinctrl.dtsi@@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* + * Copyright (c) 2025-2026 StarFive Technology Co., Ltd. + */ + +#include <dt-bindings/pinctrl/starfive,jhb100-pinctrl.h> + +&pinctrl_sys2 { + uart6_pins: uart6-grp { + uart6-tx-pins { + pins = <PADNUM_SYS2_GPIO_A38>; + function = "uart"; + power-source = <3300>; + }; + + uart6-rx-pins { + pins = <PADNUM_SYS2_GPIO_A39>; + function = "uart"; + input-enable; + power-source = <3300>; + }; + }; +};
diff --git a/arch/riscv/boot/dts/starfive/jhb100.dtsi b/arch/riscv/boot/dts/starfive/jhb100.dtsi
index 943324b3b2fd..ecd952084535 100644
--- a/arch/riscv/boot/dts/starfive/jhb100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jhb100.dtsi@@ -428,6 +428,18 @@ per0crg: clock-controller@11a08000 { #reset-cells = <1>; }; + pinctrl_per0: pinctrl@11a0a000 { + compatible = "starfive,jhb100-per0-pinctrl"; + reg = <0x0 0x11a0a000 0x0 0x1000>; + resets = <&per0crg JHB100_PER0RST_GPIO_IOMUX_PRESETN>; + interrupts = <60>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_per0 0 0 60>; + }; + per1crg: clock-controller@11b40000 { compatible = "starfive,jhb100-per1crg"; reg = <0x0 0x11b40000 0x0 0x1000>;
@@ -443,6 +455,18 @@ per1crg: clock-controller@11b40000 { #reset-cells = <1>; }; + pinctrl_per1: pinctrl@11b42000 { + compatible = "starfive,jhb100-per1-pinctrl"; + reg = <0x0 0x11b42000 0x0 0x800>; + resets = <&per1crg JHB100_PER1RST_IOMUX_PRESETN>; + interrupts = <61>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_per1 0 0 36>; + }; + per2crg: clock-controller@11bc0000 { compatible = "starfive,jhb100-per2crg"; reg = <0x0 0x11bc0000 0x0 0x1000>;
@@ -464,6 +488,30 @@ per2crg: clock-controller@11bc0000 { #reset-cells = <1>; }; + pinctrl_per2: pinctrl@11bc2000 { + compatible = "starfive,jhb100-per2-pinctrl"; + reg = <0x0 0x11bc2000 0x0 0x400>; + resets = <&per2crg JHB100_PER2RST_IOMUX_PRESETN>; + interrupts = <62>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_per2 0 0 31>; + }; + + pinctrl_per2pok: pinctrl@11bc2400 { + compatible = "starfive,jhb100-per2pok-pinctrl"; + reg = <0x0 0x11bc2400 0x0 0x400>; + resets = <&per2crg JHB100_PER2RST_POK_IOMUX_PRESETN>; + interrupts = <63>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_per2pok 0 0 18>; + }; + per3crg: clock-controller@11c40000 { compatible = "starfive,jhb100-per3crg"; reg = <0x0 0x11c40000 0x0 0x1000>;
@@ -483,6 +531,18 @@ per3crg: clock-controller@11c40000 { #reset-cells = <1>; }; + pinctrl_per3: pinctrl@11c42000 { + compatible = "starfive,jhb100-per3-pinctrl"; + reg = <0x0 0x11c42000 0x0 0x1000>; + resets = <&per3crg JHB100_PER3RST_IOMUX_PRESETN>; + interrupts = <64>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_per3 0 0 11>; + }; + sys0crg: clock-controller@13000000 { compatible = "starfive,jhb100-sys0crg"; reg = <0x0 0x13000000 0x0 0x4000>;
@@ -517,6 +577,53 @@ sys2crg: clock-controller@13008000 { #reset-cells = <1>; }; + pinctrl_sys0: pinctrl@13080000 { + compatible = "starfive,jhb100-sys0-pinctrl"; + reg = <0x0 0x13080000 0x0 0x800>; + resets = <&sys0crg JHB100_SYS0RST_SYS0_IOMUX_PRESETN>; + interrupts = <56>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_sys0 0 0 4>; + }; + + pinctrl_sys0h: pinctrl@13080800 { + compatible = "starfive,jhb100-sys0h-pinctrl"; + reg = <0x0 0x13080800 0x0 0x800>; + resets = <&sys0crg JHB100_SYS0RST_SYS0H_IOMUX_PRESETN>; + interrupts = <57>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_sys0h 0 0 12>; + }; + + pinctrl_sys1: pinctrl@13081000 { + compatible = "starfive,jhb100-sys1-pinctrl"; + reg = <0x0 0x13081000 0x0 0x1000>; + resets = <&sys1crg JHB100_SYS1RST_SYS1_IOMUX_PRESETN>; + interrupts = <58>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_sys1 0 0 8>; + }; + + pinctrl_sys2: pinctrl@13082000 { + compatible = "starfive,jhb100-sys2-pinctrl"; + reg = <0x0 0x13082000 0x0 0x1000>; + interrupts = <59>; + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_sys2 0 0 37>; + }; + intc: interrupt-controller@13220000 { compatible = "starfive,jhb100-intc"; reg = <0x0 0x13220000 0x0 0x80>;
--
2.25.1