Describe the three pin controllers integrated in TH1520 SoC. Since we
don't have support for clocks in the AON region, a dummy fixed-clock
node is added to supply the pin controller locating in it.
Signed-off-by: Yao Zi <zi...@disroot.org>
---
arch/riscv/dts/th1520.dtsi | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/arch/riscv/dts/th1520.dtsi b/arch/riscv/dts/th1520.dtsi
index e773d2e6a80..8306eda5521 100644
--- a/arch/riscv/dts/th1520.dtsi
+++ b/arch/riscv/dts/th1520.dtsi
@@ -128,6 +128,13 @@
#clock-cells = <0>;
};
+ aonsys_clk: clock-73728000 {
+ compatible = "fixed-clock";
+ clock-frequency = <73728000>;
+ clock-output-names = "aonsys_clk";
+ #clock-cells = <0>;
+ };
+
soc {
compatible = "simple-bus";
interrupt-parent = <&plic>;
@@ -259,6 +266,13 @@
};
};
+ padctrl1_apsys: pinctrl@ffe7f3c000 {
+ compatible = "thead,th1520-pinctrl";
+ reg = <0xff 0xe7f3c000 0x0 0x1000>;
+ clocks = <&clk CLK_PADCTRL1>;
+ thead,pad-group = <2>;
+ };
+
gpio0: gpio@ffec005000 {
compatible = "snps,dw-apb-gpio";
reg = <0xff 0xec005000 0x0 0x1000>;
@@ -299,6 +313,13 @@
};
};
+ padctrl0_apsys: pinctrl@ffec007000 {
+ compatible = "thead,th1520-pinctrl";
+ reg = <0xff 0xec007000 0x0 0x1000>;
+ clocks = <&clk CLK_PADCTRL0>;
+ thead,pad-group = <3>;
+ };
+
uart2: serial@ffec010000 {
compatible = "snps,dw-apb-uart";
reg = <0xff 0xec010000 0x0 0x4000>;
@@ -439,6 +460,13 @@
};
};
+ padctrl_aosys: pinctrl@fffff4a000 {
+ compatible = "thead,th1520-pinctrl";
+ reg = <0xff 0xfff4a000 0x0 0x2000>;
+ clocks = <&aonsys_clk>;
+ thead,pad-group = <1>;
+ };
+
ao_gpio1: gpio@fffff52000 {
compatible = "snps,dw-apb-gpio";
reg = <0xff 0xfff52000 0x0 0x1000>;
--
2.49.0
