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Message-Id: <20240926-k230-pinctrl-v2-3-a9a36fba4b34@163.com>
Date: Thu, 26 Sep 2024 23:57:45 +0800
From: Ze Huang <18771902331@....com>
To: 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>,
Conor Dooley <conor@...nel.org>
Cc: linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
Ze Huang <18771902331@....com>
Subject: [PATCH v2 3/3] riscv: dts: canaan: Add k230's pinctrl node
Add pinctrl device, containing default config for uart, pwm, iis, iic
and mmc.
Signed-off-by: Ze Huang <18771902331@....com>
---
arch/riscv/boot/dts/canaan/k230-canmv.dts | 304 ++++++++++++++++++++++++++++++
arch/riscv/boot/dts/canaan/k230-pinctrl.h | 18 ++
arch/riscv/boot/dts/canaan/k230.dtsi | 6 +
3 files changed, 328 insertions(+)
diff --git a/arch/riscv/boot/dts/canaan/k230-canmv.dts b/arch/riscv/boot/dts/canaan/k230-canmv.dts
index 9565915cead6ad2381ea8249b616e79575feb896..fc1429a31945b232e4bfcb735dbdb43dd655eb90 100644
--- a/arch/riscv/boot/dts/canaan/k230-canmv.dts
+++ b/arch/riscv/boot/dts/canaan/k230-canmv.dts
@@ -22,3 +22,307 @@ ddr: memory@0 {
&uart0 {
status = "okay";
};
+
+&pinctrl {
+ 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 0000000000000000000000000000000000000000..63dd999ca55b64ac5aea4026465f38f9fb7ee9ea
--- /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@....com>
+ */
+
+#ifndef _K230_PINCTRL_H
+#define _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 /* _K230_PINCTRL_H */
diff --git a/arch/riscv/boot/dts/canaan/k230.dtsi b/arch/riscv/boot/dts/canaan/k230.dtsi
index 95c1a3d8fb1192e30113d96d3e96329545bc6ae7..f7648d8c86ec16a8b0d3660067413d5ebd143dc7 100644
--- a/arch/riscv/boot/dts/canaan/k230.dtsi
+++ b/arch/riscv/boot/dts/canaan/k230.dtsi
@@ -4,6 +4,7 @@
*/
#include <dt-bindings/interrupt-controller/irq.h>
+#include "k230-pinctrl.h"
/dts-v1/;
/ {
@@ -89,6 +90,11 @@ clint: timer@...000000 {
interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
};
+ pinctrl: pinctrl@...05000 {
+ compatible = "canaan,k230-pinctrl";
+ reg = <0x0 0x91105000 0x0 0x100>;
+ };
+
uart0: serial@...00000 {
compatible = "snps,dw-apb-uart";
reg = <0x0 0x91400000 0x0 0x1000>;
--
2.46.2
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