[PATCH v4 14/15] arm64: dts: ti: k3-am625-var-som: Set MMC clock pins as OUTPUT
From: Judith Mendez
Date: Wed Sep 09 2026 - 18:00:30 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/spruiv7 Rev. C: Table 12-246. MMCSDi I/O Signals
Fixes: 887d9e03c487 ("arm64: dts: ti: Add support for Variscite VAR-SOM-AM62")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Judith Mendez <jm@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am625-var-som.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am625-var-som.dtsi b/arch/arm64/boot/dts/ti/k3-am625-var-som.dtsi
index c2daa56c35e17..c23b6a90b8b13 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-var-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am625-var-som.dtsi
@@ -277,7 +277,7 @@ pinctrl_mmc0: main-mmc0-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62X_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */
- AM62X_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLK */
+ AM62X_IOPAD(0x218, PIN_OUTPUT, 0) /* (AB1) MMC0_CLK */
AM62X_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */
AM62X_IOPAD(0x210, PIN_INPUT, 0) /* (AA1) MMC0_DAT1 */
AM62X_IOPAD(0x20c, PIN_INPUT, 0) /* (AA3) MMC0_DAT2 */
@@ -292,7 +292,7 @@ AM62X_IOPAD(0x1f8, PIN_INPUT, 0) /* (AC2) MMC0_DAT7 */
pinctrl_mmc2: main-mmc2-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x120, PIN_INPUT_PULLUP, 0) /* (C24) MMC2_CMD */
- AM62X_IOPAD(0x118, PIN_INPUT_PULLDOWN, 0) /* (D25) MMC2_CLK */
+ AM62X_IOPAD(0x118, PIN_OUTPUT_PULLDOWN, 0) /* (D25) MMC2_CLK */
AM62X_IOPAD(0x114, PIN_INPUT_PULLUP, 0) /* (B24) MMC2_DAT0 */
AM62X_IOPAD(0x110, PIN_INPUT_PULLUP, 0) /* (C25) MMC2_DAT1 */
AM62X_IOPAD(0x10c, PIN_INPUT_PULLUP, 0) /* (E23) MMC2_DAT2 */
--
2.34.1