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Date: Mon, 30 May 2022 13:04:29 +0530
From: Rahul T R <r-ravikumar@...com>
To: <robh+dt@...nel.org>, <nm@...com>, <vigneshr@...com>,
<kishon@...com>, <krzysztof.kozlowski+dt@...aro.org>
CC: <lee.jones@...aro.org>, <rogerq@...nel.org>,
<devicetree@...r.kernel.org>, <kristo@...nel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <s-anna@...com>,
Sinthu Raja <sinthu.raja@...com>,
Rahul T R <r-ravikumar@...com>
Subject: [PATCH v2 3/3] arm64: dts: ti: k3-j721e-sk: Add pinmux for RPi Header
From: Sinthu Raja <sinthu.raja@...com>
Add pinmux required to bring out
i2c5, ehrpwm 2 and 3 and gpios on
40 pin RPi header on sk board
Signed-off-by: Sinthu Raja <sinthu.raja@...com>
Signed-off-by: Rahul T R <r-ravikumar@...com>
---
arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 89 ++++++++++++++++++++++----
1 file changed, 78 insertions(+), 11 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
index 98a55778f3fe..b913b18ae133 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
@@ -400,6 +400,57 @@
J721E_IOPAD(0x124, PIN_INPUT, 7) /* (Y24) PRG0_PRU1_GPO9.GPIO0_72 */
>;
};
+
+ main_i2c5_pins_default: main-i2c5-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x150, PIN_INPUT_PULLUP, 2) /* (Y26) PRG0_MDIO0_MDIO.I2C5_SCL */
+ J721E_IOPAD(0x154, PIN_INPUT_PULLUP, 2) /* (AA27) PRG0_MDIO0_MDC.I2C5_SDA */
+ >;
+ };
+
+ rpi_header_gpio0_pins_default: rpi-header-gpio0-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x01c, PIN_INPUT, 7) /* (AD22) PRG1_PRU0_GPO6.GPIO0_7 */
+ J721E_IOPAD(0x120, PIN_INPUT, 7) /* (AA28) PRG0_PRU1_GPO8.GPIO0_71 */
+ J721E_IOPAD(0x14c, PIN_INPUT, 7) /* (AA29) PRG0_PRU1_GPO19.GPIO0_82 */
+ J721E_IOPAD(0x02c, PIN_INPUT, 7) /* (AD21) PRG1_PRU0_GPO10.GPIO0_11 */
+ J721E_IOPAD(0x198, PIN_INPUT, 7) /* (V25) RGMII6_TD1.GPIO0_101 */
+ J721E_IOPAD(0x1b0, PIN_INPUT, 7) /* (W24) RGMII6_RD1.GPIO0_107 */
+ J721E_IOPAD(0x1a0, PIN_INPUT, 7) /* (W29) RGMII6_TXC.GPIO0_103 */
+ J721E_IOPAD(0x008, PIN_INPUT, 7) /* (AG22) PRG1_PRU0_GPO1.GPIO0_2 */
+ J721E_IOPAD(0x1d0, PIN_INPUT, 7) /* (AA3) SPI0_D1.GPIO0_115 */
+ J721E_IOPAD(0x11c, PIN_INPUT, 7) /* (AA24) PRG0_PRU1_GPO7.GPIO0_70 */
+ J721E_IOPAD(0x148, PIN_INPUT, 7) /* (AA26) PRG0_PRU1_GPO18.GPIO0_81 */
+ J721E_IOPAD(0x004, PIN_INPUT, 7) /* (AC23) PRG1_PRU0_GPO0.GPIO0_1 */
+ J721E_IOPAD(0x014, PIN_INPUT, 7) /* (AH23) PRG1_PRU0_GPO4.GPIO0_5 */
+ J721E_IOPAD(0x020, PIN_INPUT, 7) /* (AE20) PRG1_PRU0_GPO7.GPIO0_8 */
+ J721E_IOPAD(0x19c, PIN_INPUT, 7) /* (W27) RGMII6_TD0.GPIO0_102 */
+ J721E_IOPAD(0x1b4, PIN_INPUT, 7) /* (W25) RGMII6_RD0.GPIO0_108 */
+ J721E_IOPAD(0x188, PIN_INPUT, 7) /* (Y28) RGMII6_TX_CTL.GPIO0_97 */
+ J721E_IOPAD(0x00c, PIN_INPUT, 7) /* (AF22) PRG1_PRU0_GPO2.GPIO0_3 */
+ J721E_IOPAD(0x010, PIN_INPUT, 7) /* (AJ23) PRG1_PRU0_GPO3.GPIO0_4 */
+ >;
+ };
+
+ rpi_header_gpio1_pins_default: rpi-header-gpio1-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x234, PIN_INPUT, 7) /* (U3) EXT_REFCLK1.GPIO1_12 */
+ >;
+ };
+
+ rpi_header_ehrpwm2_pins_default: rpi-header-ehrpwm2-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x178, PIN_INPUT, 6) /* (U27) RGMII5_RD3.EHRPWM2_A */
+ J721E_IOPAD(0x17c, PIN_INPUT, 6) /* (U24) RGMII5_RD2.EHRPWM2_B */
+ >;
+ };
+
+ rpi_header_ehrpwm3_pins_default: rpi-header-ehrpwm3-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x18c, PIN_INPUT, 6) /* (V23) RGMII6_RX_CTL.EHRPWM3_A */
+ J721E_IOPAD(0x190, PIN_INPUT, 6) /* (W23) RGMII6_TD3.EHRPWM3_B */
+ >;
+ };
};
&wkup_pmx0 {
@@ -631,11 +682,6 @@
status = "disabled";
};
-&main_i2c5 {
- /* Brought out on RPi Header */
- status = "disabled";
-};
-
&main_i2c6 {
/* Unused */
status = "disabled";
@@ -1138,18 +1184,39 @@
status = "disabled";
};
-&main_ehrpwm2 {
+&main_ehrpwm4 {
status = "disabled";
};
-&main_ehrpwm3 {
+&main_ehrpwm5 {
status = "disabled";
};
-&main_ehrpwm4 {
- status = "disabled";
+&main_gpio0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&rpi_header_gpio0_pins_default>;
};
-&main_ehrpwm5 {
- status = "disabled";
+&main_gpio1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&rpi_header_gpio1_pins_default>;
+};
+
+&main_i2c5 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c5_pins_default>;
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&main_ehrpwm2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&rpi_header_ehrpwm2_pins_default>;
+ status = "okay";
+};
+
+&main_ehrpwm3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&rpi_header_ehrpwm3_pins_default>;
+ status = "okay";
};
--
2.17.1
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