It is used to control several SOM level muxes to make sure that the correct
signals are routed to the correct pin on the SOM <-> CPB connectors.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
.../dts/ti/k3-j7200-common-proc-board.dts | 11 --------
arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi | 26 +++++++++++++++++++
2 files changed, 26 insertions(+), 11 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index 6b3863108571..2721137d8943 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -43,13 +43,6 @@ J721E_WKUP_IOPAD(0x0098, PIN_INPUT, 0) /* (L4) MCU_MDIO0_MDIO */
};
&main_pmx0 {
- main_i2c0_pins_default: main-i2c0-pins-default {
- pinctrl-single,pins = <
- J721E_IOPAD(0xd4, PIN_INPUT_PULLUP, 0) /* (V3) I2C0_SCL */
- J721E_IOPAD(0xd8, PIN_INPUT_PULLUP, 0) /* (W2) I2C0_SDA */
- >;
- };
-
main_i2c1_pins_default: main-i2c1-pins-default {
pinctrl-single,pins = <
J721E_IOPAD(0xdc, PIN_INPUT_PULLUP, 3) /* (U3) ECAP0_IN_APWM_OUT.I2C1_SCL */
@@ -146,10 +139,6 @@ &cpsw_port1 {
};
&main_i2c0 {
- pinctrl-names = "default";
- pinctrl-0 = <&main_i2c0_pins_default>;
- clock-frequency = <400000>;
-
exp1: gpio@20 {
compatible = "ti,tca6416";
reg = <0x20>;
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
index fbd17d38f6b6..7b5e9aa0324e 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi
@@ -48,6 +48,15 @@ J721E_WKUP_IOPAD(0x28, PIN_INPUT, 1) /* (A7) MCU_OSPI0_D7.MCU_HYPERBUS0_DQ7 */
};
};
+&main_pmx0 {
+ main_i2c0_pins_default: main-i2c0-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0xd4, PIN_INPUT_PULLUP, 0) /* (V3) I2C0_SCL */
+ J721E_IOPAD(0xd8, PIN_INPUT_PULLUP, 0) /* (W2) I2C0_SDA */
+ >;
+ };
+};
+
&hbmc {
/* OSPI and HBMC are muxed inside FSS, Bootloader will enable
* appropriate node based on board detection
@@ -131,3 +140,20 @@ &mailbox0_cluster10 {
&mailbox0_cluster11 {
status = "disabled";
};
+
+&main_i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c0_pins_default>;
+ clock-frequency = <400000>;
+
+ exp_som: gpio@21 {
+ compatible = "ti,tca6408";
+ reg = <0x21>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "USB2.0_MUX_SEL", "CANUART_MUX1_SEL0",
+ "CANUART_MUX2_SEL0", "CANUART_MUX_SEL1",
+ "UART/LIN_MUX_SEL", "TRC_D17/AUDIO_REFCLK_SEL",
+ "GPIO_LIN_EN", "CAN_STB";
+ };
+};
--
Peter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
