[PATCH v2 2/5] riscv: dts: spacemit: enable the i2c2 adapter on K3 Pico-ITX board
Aurelien Jarno <[email protected]>
| Newsgroups | dev.linux.lists.spacemit,org.infradead.lists.linux-riscv,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Define I2C2 pinctrl properties, and enable it on the K3 Pico-ITX board. It will be used by the 24c02 eeprom. Signed-off-by: Aurelien Jarno <[email protected]> --- arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 6 ++++++ arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi | 11 +++++++++++ 2 files changed, 17 insertions(+) v2: - Rename pinctrl subnode from i2c2-0-pins to i2c2-1-pins - Add a missing space after bias-pull-up diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts index 509cebc0c9568..5fe9041ec5702 100644 --- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts +++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts @@ -43,6 +43,12 @@ reg_aux_vcc5v: regulator-aux-vcc5v { }; }; +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_1_cfg>; + status = "okay"; +}; + &i2c8 { pinctrl-names = "default"; pinctrl-0 = <&i2c8_cfg>; diff --git a/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi index 3ee1471f37985..50dc124c097f9 100644 --- a/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi +++ b/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi @@ -78,6 +78,17 @@ gmac1-phy-0-pins { }; }; + /omit-if-no-ref/ + i2c2_1_cfg: i2c2-1-cfg { + i2c2-1-pins { + pinmux = <K3_PADCONF(46, 5)>, /* i2c2 scl */ + <K3_PADCONF(47, 5)>; /* i2c2 sda */ + + bias-pull-up = <0>; + drive-strength = <25>; + }; + }; + /omit-if-no-ref/ i2c8_cfg: i2c8-cfg { i2c8-pins { -- 2.53.0