diff options
| -rw-r--r-- | arch/riscv/dts/k1-bananapi-f3.dts | 3 | ||||
| -rw-r--r-- | arch/riscv/dts/k1-pinctrl.dtsi | 19 | ||||
| -rw-r--r-- | arch/riscv/dts/k1.dtsi | 8 |
3 files changed, 29 insertions, 1 deletions
diff --git a/arch/riscv/dts/k1-bananapi-f3.dts b/arch/riscv/dts/k1-bananapi-f3.dts index d2486f70906..6b5b83bcdb9 100644 --- a/arch/riscv/dts/k1-bananapi-f3.dts +++ b/arch/riscv/dts/k1-bananapi-f3.dts @@ -5,6 +5,7 @@ #include "k1.dtsi" #include "binman.dtsi" +#include "k1-pinctrl.dtsi" / { model = "Banana Pi BPI-F3"; @@ -21,5 +22,7 @@ }; &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_2_cfg>; status = "okay"; }; diff --git a/arch/riscv/dts/k1-pinctrl.dtsi b/arch/riscv/dts/k1-pinctrl.dtsi new file mode 100644 index 00000000000..14e7096fbcf --- /dev/null +++ b/arch/riscv/dts/k1-pinctrl.dtsi @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2022 Spacemit Inc. + * Copyright (C) 2025 Yixun Lan <[email protected]> + */ + +#define K1_PADCONF(pin, func) (((pin) << 16) | (func)) + +&pinctrl { + uart0_2_cfg: uart0-2-cfg { + uart0-2-pins { + pinmux = <K1_PADCONF(68, 2)>, + <K1_PADCONF(69, 2)>; + + bias-pull-up = <0>; + drive-strength = <32>; + }; + }; +}; diff --git a/arch/riscv/dts/k1.dtsi b/arch/riscv/dts/k1.dtsi index 7c0f1b928e2..a633e43da32 100644 --- a/arch/riscv/dts/k1.dtsi +++ b/arch/riscv/dts/k1.dtsi @@ -470,5 +470,11 @@ #reset-cells = <1>; status = "disabled"; }; + + pinctrl: pinctrl@d401e000 { + compatible = "spacemit,k1-pinctrl", "pinctrl-single"; + reg = <0x0 0xd401e000 0x0 0x400>; + pinctrl-single,register-width = <32>; + }; }; -};
\ No newline at end of file +}; |