[PATCH 3/3] riscv: dts: canaan: Add k230's pinctrl node
From: Ze Huang
Date: Sun Sep 15 2024 - 10:24:49 EST
Add pinctrl device, containing default config for uart, pwm, iis, iic and
mmc.
Signed-off-by: Ze Huang <18771902331@xxxxxxx>
---
arch/riscv/boot/dts/canaan/k230-pinctrl.dtsi | 318 +++++++++++++++++++
arch/riscv/boot/dts/canaan/k230-pinctrl.h | 18 ++
arch/riscv/boot/dts/canaan/k230.dtsi | 2 +
3 files changed, 338 insertions(+)
create mode 100644 arch/riscv/boot/dts/canaan/k230-pinctrl.dtsi
create mode 100644 arch/riscv/boot/dts/canaan/k230-pinctrl.h
diff --git a/arch/riscv/boot/dts/canaan/k230-pinctrl.dtsi b/arch/riscv/boot/dts/canaan/k230-pinctrl.dtsi
new file mode 100644
index 000000000000..7537d3286e5a
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/k230-pinctrl.dtsi
@@ -0,0 +1,317 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2024 Ze Huang <18771902331@xxxxxxx>
+ */
+#include "k230-pinctrl.h"
+
+/ {
+ soc {
+ pinctrl: pinctrl@91105000 {
+ compatible = "canaan,k230-pinctrl";
+ reg = <0x0 0x91105000 0x0 0x100>;
+
+ jtag_pins: jtag-pins {
+ jtag-tck-cfg {
+ pinmux = <K230_PINMUX(2, 1)>;
+ slew-rate = <0>;
+ drive-strength = <4>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ bias-pull-down;
+ input-schmitt-enable;
+ };
+
+ jtag-tdi-cfg {
+ pinmux = <K230_PINMUX(3, 1)>;
+ slew-rate = <0>;
+ drive-strength = <4>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ bias-disable;
+ };
+
+ jtag-tdo-cfg {
+ pinmux = <K230_PINMUX(4, 1)>;
+ slew-rate = <0>;
+ drive-strength = <4>;
+ power-source = <K230_MSC_1V8>;
+ output-enable;
+ bias-disable;
+ };
+
+ jtag-tms-cfg {
+ pinmux = <K230_PINMUX(5, 1)>;
+ slew-rate = <0>;
+ drive-strength = <4>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ bias-pull-up;
+ };
+ };
+
+ uart2_pins: uart2-pins {
+ uart2-pins-cfg {
+ pinmux = <K230_PINMUX(5, 3)>, /* uart2 txd */
+ <K230_PINMUX(6, 3)>; /* uart2 rxd */
+ slew-rate = <0>;
+ drive-strength = <4>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ output-enable;
+ bias-disable;
+ };
+ };
+
+ pwm2_pins: pwm2-pins {
+ pwm2-pin-cfg {
+ pinmux = <K230_PINMUX(7, 1)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ output-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+ };
+
+ pwm3_pins: pwm3-pins {
+ pwm3-pin-cfg {
+ pinmux = <K230_PINMUX(8, 1)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ output-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+ };
+
+ pwm4_pins: pwm4-pins {
+ pwm4-pin-cfg {
+ pinmux = <K230_PINMUX(9, 1)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ output-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+ };
+
+ iis_pins: iis-pins {
+ iis-clk-cfg {
+ pinmux = <K230_PINMUX(32, 2)>;
+ slew-rate = <0>;
+ drive-strength = <4>;
+ power-source = <K230_MSC_1V8>;
+ output-enable;
+ bias-disable;
+ };
+
+ iis-ws-cfg {
+ pinmux = <K230_PINMUX(33, 2)>;
+ slew-rate = <0>;
+ drive-strength = <4>;
+ power-source = <K230_MSC_1V8>;
+ output-enable;
+ bias-disable;
+ };
+
+ iis-din0-cfg {
+ pinmux = <K230_PINMUX(34, 2)>;
+ slew-rate = <0>;
+ drive-strength = <4>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ bias-disable;
+ };
+
+ iis-dout0-cfg {
+ pinmux = <K230_PINMUX(35, 2)>;
+ slew-rate = <0>;
+ drive-strength = <4>;
+ power-source = <K230_MSC_1V8>;
+ output-enable;
+ bias-disable;
+ };
+ };
+
+ uart4_pins: uart4-pins {
+ uart4-txd-cfg {
+ pinmux = <K230_PINMUX(36, 4)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ output-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+
+ uart4-rxd-cfg {
+ pinmux = <K230_PINMUX(37, 4)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+ };
+
+ uart0_pins: uart0-pins {
+ uart0-txd-cfg {
+ pinmux = <K230_PINMUX(38, 1)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ output-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+
+ uart0-rxd-cfg {
+ pinmux = <K230_PINMUX(39, 1)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+ };
+
+ iic1_pins: iic1-pins {
+ iic1-pins-cfg {
+ pinmux = <K230_PINMUX(40, 2)>, /* iic1 scl */
+ <K230_PINMUX(41, 2)>; /* iic1 sda */
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ output-enable;
+ bias-pull-up;
+ input-schmitt-enable;
+ };
+ };
+
+ iic3_pins: iic3-pins {
+ iic3-pins-cfg {
+ pinmux = <K230_PINMUX(44, 2)>, /* iic3 scl */
+ <K230_PINMUX(45, 2)>; /* iic3 sda */
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ output-enable;
+ bias-pull-up;
+ input-schmitt-enable;
+ };
+ };
+
+ iic4_pins: iic4-pins {
+ iic4-pins-cfg {
+ pinmux = <K230_PINMUX(46, 3)>, /* iic4 scl */
+ <K230_PINMUX(47, 3)>; /* iic4 sda */
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ output-enable;
+ bias-pull-up;
+ input-schmitt-enable;
+ };
+ };
+
+ iic0_pins: iic0-pins {
+ iic0-pins-cfg {
+ pinmux = <K230_PINMUX(48, 3)>, /* iic0 scl */
+ <K230_PINMUX(49, 3)>; /* iic0 sda */
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ output-enable;
+ bias-pull-up;
+ input-schmitt-enable;
+ };
+ };
+
+ uart3_pins: uart3-pins {
+ uart3-txd-cfg {
+ pinmux = <K230_PINMUX(50, 1)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_3V3>;
+ output-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+
+ uart3-rxd-cfg {
+ pinmux = <K230_PINMUX(51, 1)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_3V3>;
+ input-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+ };
+
+ key_pins: key-pins {
+ key-pins-cfg {
+ pinmux = <K230_PINMUX(52, 0)>, /* key0 */
+ <K230_PINMUX(53, 0)>; /* key1 */
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_3V3>;
+ input-enable;
+ output-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+ };
+
+ mmc1_pins: mmc1-pins {
+ mmc1-cmd-cfg {
+ pinmux = <K230_PINMUX(54, 2)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_3V3>;
+ input-enable;
+ output-enable;
+ bias-pull-up;
+ input-schmitt-enable;
+ };
+
+ mmc1-clk-cfg {
+ pinmux = <K230_PINMUX(55, 2)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_3V3>;
+ output-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+
+ mmc1-data-cfg {
+ pinmux = <K230_PINMUX(56, 2)>, /* mmc1 data0 */
+ <K230_PINMUX(57, 2)>, /* mmc1 data1 */
+ <K230_PINMUX(58, 2)>, /* mmc1 data2 */
+ <K230_PINMUX(59, 2)>; /* mmc1 data3 */
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_3V3>;
+ input-enable;
+ output-enable;
+ bias-pull-up;
+ input-schmitt-enable;
+ };
+ };
+ };
+ };
+};
+
diff --git a/arch/riscv/boot/dts/canaan/k230-pinctrl.h b/arch/riscv/boot/dts/canaan/k230-pinctrl.h
new file mode 100644
index 000000000000..9a34d75afd9f
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/k230-pinctrl.h
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+/*
+ * Copyright (C) 2024 Canaan Bright Sight Co. Ltd
+ * Copyright (C) 2024 Ze Huang <18771902331@xxxxxxx>
+ */
+
+#ifndef _DT_BINDINGS_K230_PINCTRL_H
+#define _DT_BINDINGS_K230_PINCTRL_H
+
+#define K230_MSC_3V3 0
+#define K230_MSC_1V8 1
+
+#define BANK_VOLTAGE_DEFAULT K230_MSC_1V8
+#define BANK_VOLTAGE_IO50_IO61 K230_MSC_3V3
+
+#define K230_PINMUX(pin, mode) (((pin) << 8) | (mode))
+
+#endif /* _DT_BINDINGS_K230_PINCTRL_H */
diff --git a/arch/riscv/boot/dts/canaan/k230.dtsi b/arch/riscv/boot/dts/canaan/k230.dtsi
index 95c1a3d8fb11..a9354e538642 100644
--- a/arch/riscv/boot/dts/canaan/k230.dtsi
+++ b/arch/riscv/boot/dts/canaan/k230.dtsi
@@ -140,3 +140,5 @@ uart4: serial@91404000 {
};
};
};
+
+#include "k230-pinctrl.dtsi"
--
2.46.1