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riscv: dts: sophgo: cv1800b: add pinctrl support

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Add pinctrl node and related pin configuration for CV1800B SoC.

Link: https://lore.kernel.org/r/IA1PR20MB49535E7F28242174CA318317BB992@IA1PR20MB4953.namprd20.prod.outlook.com
Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
This commit is contained in:
Inochi Amaoto
2024-09-10 06:35:10 +08:00
committed by Inochi Amaoto
parent 9852d85ec9
commit 23c7816ddd
2 changed files with 59 additions and 0 deletions
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49
arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
View File

@@ -39,7 +39,54 @@ &osc {
clock-frequency = <25000000>;
};
&pinctrl {
uart0_cfg: uart0-cfg {
uart0-pins {
pinmux = <PINMUX(PIN_UART0_TX, 0)>,
<PINMUX(PIN_UART0_RX, 0)>;
bias-pull-up;
drive-strength-microamp = <10800>;
power-source = <3300>;
};
};
sdhci0_cfg: sdhci0-cfg {
sdhci0-clk-pins {
pinmux = <PINMUX(PIN_SD0_CLK, 0)>;
bias-pull-up;
drive-strength-microamp = <16100>;
power-source = <3300>;
};
sdhci0-cmd-pins {
pinmux = <PINMUX(PIN_SD0_CMD, 0)>;
bias-pull-up;
drive-strength-microamp = <10800>;
power-source = <3300>;
};
sdhci0-data-pins {
pinmux = <PINMUX(PIN_SD0_D0, 0)>,
<PINMUX(PIN_SD0_D1, 0)>,
<PINMUX(PIN_SD0_D2, 0)>,
<PINMUX(PIN_SD0_D3, 0)>;
bias-pull-up;
drive-strength-microamp = <10800>;
power-source = <3300>;
};
sdhci0-cd-pins {
pinmux = <PINMUX(PIN_SD0_CD, 0)>;
bias-pull-up;
drive-strength-microamp = <10800>;
power-source = <3300>;
};
};
};
&sdhci0 {
pinctrl-0 = <&sdhci0_cfg>;
pinctrl-names = "default";
status = "okay";
bus-width = <4>;
no-1-8-v;
@@ -49,5 +96,7 @@ &sdhci0 {
};
&uart0 {
pinctrl-0 = <&uart0_cfg>;
pinctrl-names = "default";
status = "okay";
};

10
arch/riscv/boot/dts/sophgo/cv1800b.dtsi
View File

@@ -3,6 +3,7 @@
* Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
*/
#include <dt-bindings/pinctrl/pinctrl-cv1800b.h>
#include "cv18xx.dtsi"
/ {
@@ -12,6 +13,15 @@ memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x4000000>;
};
soc {
pinctrl: pinctrl@3001000 {
compatible = "sophgo,cv1800b-pinctrl";
reg = <0x03001000 0x1000>,
<0x05027000 0x1000>;
reg-names = "sys", "rtc";
};
};
};
&plic {