arm64: dts: ti: k3-am62-verdin: Enable pull-ups on I2C buses

Enable internal bias pull-ups on the SoC-side I2C buses that do not have
external pull resistors populated on the SoM. This ensures proper
default line levels.

Cc: stable@vger.kernel.org
Fixes: 316b80246b16 ("arm64: dts: ti: add verdin am62")
Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20250528110741.262336-1-ghidoliemanuele@gmail.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
index 1ea8f64b1b3bd351501f0de32292469cb45d87a3..bc2289d74774575648ca74403b7164e03e6d146f 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
@@ -507,16 +507,16 @@
        /* Verdin I2C_2_DSI */
        pinctrl_i2c2: main-i2c2-default-pins {
                pinctrl-single,pins = <
-                       AM62X_IOPAD(0x00b0, PIN_INPUT, 1) /* (K22) GPMC0_CSn2.I2C2_SCL */ /* SODIMM 55 */
-                       AM62X_IOPAD(0x00b4, PIN_INPUT, 1) /* (K24) GPMC0_CSn3.I2C2_SDA */ /* SODIMM 53 */
+                       AM62X_IOPAD(0x00b0, PIN_INPUT_PULLUP, 1) /* (K22) GPMC0_CSn2.I2C2_SCL */ /* SODIMM 55 */
+                       AM62X_IOPAD(0x00b4, PIN_INPUT_PULLUP, 1) /* (K24) GPMC0_CSn3.I2C2_SDA */ /* SODIMM 53 */
                >;
        };
 
        /* Verdin I2C_4_CSI */
        pinctrl_i2c3: main-i2c3-default-pins {
                pinctrl-single,pins = <
-                       AM62X_IOPAD(0x01d0, PIN_INPUT, 2) /* (A15) UART0_CTSn.I2C3_SCL */ /* SODIMM 95 */
-                       AM62X_IOPAD(0x01d4, PIN_INPUT, 2) /* (B15) UART0_RTSn.I2C3_SDA */ /* SODIMM 93 */
+                       AM62X_IOPAD(0x01d0, PIN_INPUT_PULLUP, 2) /* (A15) UART0_CTSn.I2C3_SCL */ /* SODIMM 95 */
+                       AM62X_IOPAD(0x01d4, PIN_INPUT_PULLUP, 2) /* (B15) UART0_RTSn.I2C3_SDA */ /* SODIMM 93 */
                >;
        };
 
@@ -786,8 +786,8 @@
        /* Verdin I2C_3_HDMI */
        pinctrl_mcu_i2c0: mcu-i2c0-default-pins {
                pinctrl-single,pins = <
-                       AM62X_MCU_IOPAD(0x0044, PIN_INPUT, 0) /*  (A8) MCU_I2C0_SCL */ /* SODIMM 59 */
-                       AM62X_MCU_IOPAD(0x0048, PIN_INPUT, 0) /* (D10) MCU_I2C0_SDA */ /* SODIMM 57 */
+                       AM62X_MCU_IOPAD(0x0044, PIN_INPUT_PULLUP, 0) /*  (A8) MCU_I2C0_SCL */ /* SODIMM 59 */
+                       AM62X_MCU_IOPAD(0x0048, PIN_INPUT_PULLUP, 0) /* (D10) MCU_I2C0_SDA */ /* SODIMM 57 */
                >;
        };