| Message ID | 20250411105155.303657-5-j-choudhary@ti.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Add DSI display support for TI's Jacinto platforms | expand |
On 4/11/2025 4:21 PM, Jayesh Choudhary wrote: > Add dt node for main_i2c4 instance along with required pinmuxing. > Also add the gpio expander 'exp4' required by display connector. > > Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com> > --- > .../dts/ti/k3-j721s2-common-proc-board.dts | 21 +++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts > index e2fc1288ed07..f691ae4c19e6 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts > @@ -148,6 +148,13 @@ J721S2_IOPAD(0x060, PIN_INPUT_PULLUP, 13) /* (AC27) MCASP2_AXR1.I2C3_SDA */ > >; > }; > > + main_i2c4_pins_default: main-i2c4-default-pins { > + pinctrl-single,pins = < > + J721S2_IOPAD(0x014, PIN_INPUT_PULLUP, 8) /* (AD25) I2C4_SCL */ > + J721S2_IOPAD(0x010, PIN_INPUT_PULLUP, 8) /* (AF28) I2C4_SDA */ > + >; > + }; > + > main_i2c5_pins_default: main-i2c5-default-pins { > pinctrl-single,pins = < > J721S2_IOPAD(0x01c, PIN_INPUT, 8) /* (Y24) MCAN15_TX.I2C5_SCL */ > @@ -370,6 +377,20 @@ exp2: gpio@22 { > }; > }; > > +&main_i2c4 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&main_i2c4_pins_default>; > + clock-frequency = <400000>; > + > + exp4: gpio@20 { > + compatible = "ti,tca6408"; > + reg = <0x20>; > + gpio-controller; > + #gpio-cells = <2>; I suggest to add, gpio-line-names as well for this gpio expander. > + }; > +}; > + > &main_i2c5 { > pinctrl-names = "default"; > pinctrl-0 = <&main_i2c5_pins_default>;
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts index e2fc1288ed07..f691ae4c19e6 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts +++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts @@ -148,6 +148,13 @@ J721S2_IOPAD(0x060, PIN_INPUT_PULLUP, 13) /* (AC27) MCASP2_AXR1.I2C3_SDA */ >; }; + main_i2c4_pins_default: main-i2c4-default-pins { + pinctrl-single,pins = < + J721S2_IOPAD(0x014, PIN_INPUT_PULLUP, 8) /* (AD25) I2C4_SCL */ + J721S2_IOPAD(0x010, PIN_INPUT_PULLUP, 8) /* (AF28) I2C4_SDA */ + >; + }; + main_i2c5_pins_default: main-i2c5-default-pins { pinctrl-single,pins = < J721S2_IOPAD(0x01c, PIN_INPUT, 8) /* (Y24) MCAN15_TX.I2C5_SCL */ @@ -370,6 +377,20 @@ exp2: gpio@22 { }; }; +&main_i2c4 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c4_pins_default>; + clock-frequency = <400000>; + + exp4: gpio@20 { + compatible = "ti,tca6408"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + }; +}; + &main_i2c5 { pinctrl-names = "default"; pinctrl-0 = <&main_i2c5_pins_default>;
Add dt node for main_i2c4 instance along with required pinmuxing. Also add the gpio expander 'exp4' required by display connector. Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com> --- .../dts/ti/k3-j721s2-common-proc-board.dts | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+)