[PATCH 2/8] arm64: dts: ti: k3-am62a: Set MMC clock pins as OUTPUT
From: Judith Mendez
Date: Wed Jul 29 2026 - 16:01:36 EST
MMC clock pins must be configured as OUTPUT-only per TRM [0] with
receiver disabled (RXACTIVE bit = 0). Change MMC CLK pins from
PIN_INPUT to PIN_OUTPUT to match documentation.
[0] https://www.ti.com/lit/pdf/spruj16 Rev. C: Table 12-257. MMCSDi I/O Signals
Signed-off-by: Judith Mendez <jm@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index 826fff38cfb77..9b120cd9b0c37 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -324,7 +324,7 @@ AM62AX_IOPAD(0x0b4, PIN_INPUT_PULLUP, 1) /* (K24) GPMC0_CSn3.I2C2_SDA */
main_mmc0_pins_default: main-mmc0-default-pins {
pinctrl-single,pins = <
AM62AX_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */
- AM62AX_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLK */
+ AM62AX_IOPAD(0x218, PIN_OUTPUT, 0) /* (AB1) MMC0_CLK */
AM62AX_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */
AM62AX_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (AA1) MMC0_DAT1 */
AM62AX_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (AA3) MMC0_DAT2 */
@@ -340,7 +340,7 @@ AM62AX_IOPAD(0x1f8, PIN_INPUT_PULLUP, 0) /* (AC2) MMC0_DAT7 */
main_mmc1_pins_default: main-mmc1-default-pins {
pinctrl-single,pins = <
AM62AX_IOPAD(0x23c, PIN_INPUT, 0) /* (A21) MMC1_CMD */
- AM62AX_IOPAD(0x234, PIN_INPUT, 0) /* (B22) MMC1_CLK */
+ AM62AX_IOPAD(0x234, PIN_OUTPUT, 0) /* (B22) MMC1_CLK */
AM62AX_IOPAD(0x230, PIN_INPUT, 0) /* (A22) MMC1_DAT0 */
AM62AX_IOPAD(0x22c, PIN_INPUT, 0) /* (B21) MMC1_DAT1 */
AM62AX_IOPAD(0x228, PIN_INPUT, 0) /* (C21) MMC1_DAT2 */
--
2.54.0