linux-kernel - [PATCH v3 3/8] riscv: dts: thead: Add TH1520 pin control nodes

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Message-Id: <20240930-th1520-pinctrl-v3-3-32cea2bdbecb@tenstorrent.com>
Date: Mon, 30 Sep 2024 12:50:53 -0700
From: Drew Fustini <dfustini@...storrent.com>
To: Drew Fustini <drew@...7.com>, Guo Ren <guoren@...nel.org>, 
 Fu Wei <wefu@...hat.com>, Linus Walleij <linus.walleij@...aro.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Emil Renner Berthing <emil.renner.berthing@...onical.com>, 
 Thomas Bonnefille <thomas.bonnefille@...tlin.com>
Cc: linux-riscv@...ts.infradead.org, linux-gpio@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Drew Fustini <dfustini@...storrent.com>
Subject: [PATCH v3 3/8] riscv: dts: thead: Add TH1520 pin control nodes

From: Emil Renner Berthing <emil.renner.berthing@...onical.com>

Add nodes for pin controllers on the T-Head TH1520 RISC-V SoC.

Tested-by: Thomas Bonnefille <thomas.bonnefille@...tlin.com>
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
Signed-off-by: Drew Fustini <dfustini@...storrent.com>
---
 arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts |  4 ++++
 .../boot/dts/thead/th1520-lichee-module-4a.dtsi    |  4 ++++
 arch/riscv/boot/dts/thead/th1520.dtsi              | 27 ++++++++++++++++++++++
 3 files changed, 35 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index 497d961456f3..e88b4fce755e 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -45,6 +45,10 @@ &osc_32k {
 	clock-frequency = <32768>;
 };
 
+&aonsys_clk {
+	clock-frequency = <73728000>;
+};
+
 &dmac0 {
 	status = "okay";
 };
diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
index 78977bdbbe3d..bf1c639072b8 100644
--- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
@@ -25,6 +25,10 @@ &osc_32k {
 	clock-frequency = <32768>;
 };
 
+&aonsys_clk {
+	clock-frequency = <73728000>;
+};
+
 &dmac0 {
 	status = "okay";
 };
diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 6992060e6a54..e4eda2a76595 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -216,6 +216,12 @@ osc_32k: 32k-oscillator {
 		#clock-cells = <0>;
 	};
 
+	aonsys_clk: aonsys-clk {
+		compatible = "fixed-clock";
+		clock-output-names = "aonsys_clk";
+		#clock-cells = <0>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -354,6 +360,13 @@ portd: gpio-controller@0 {
 			};
 		};
 
+		padctrl1_apsys: pinctrl@...7f3c000 {
+			compatible = "thead,th1520-pinctrl";
+			reg = <0xff 0xe7f3c000 0x0 0x1000>;
+			clocks = <&clk CLK_PADCTRL1>;
+			thead,pad-group = <2>;
+		};
+
 		gpio0: gpio@...c005000 {
 			compatible = "snps,dw-apb-gpio";
 			reg = <0xff 0xec005000 0x0 0x1000>;
@@ -392,6 +405,13 @@ portb: gpio-controller@0 {
 			};
 		};
 
+		padctrl0_apsys: pinctrl@...c007000 {
+			compatible = "thead,th1520-pinctrl";
+			reg = <0xff 0xec007000 0x0 0x1000>;
+			clocks = <&clk CLK_PADCTRL0>;
+			thead,pad-group = <3>;
+		};
+
 		uart2: serial@...c010000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0xff 0xec010000 0x0 0x4000>;
@@ -538,6 +558,13 @@ porte: gpio-controller@0 {
 			};
 		};
 
+		padctrl_aosys: pinctrl@...ff4a000 {
+			compatible = "thead,th1520-pinctrl";
+			reg = <0xff 0xfff4a000 0x0 0x2000>;
+			thead,pad-group = <1>;
+			clocks = <&aonsys_clk>;
+		};
+
 		ao_gpio1: gpio@...ff52000 {
 			compatible = "snps,dw-apb-gpio";
 			reg = <0xff 0xfff52000 0x0 0x1000>;

-- 
2.34.1