[PATCH 3/8] arm64: dts: ti: k3-am62: Set MMC clock pins as OUTPUT
From: Judith Mendez
Date: Wed Jul 29 2026 - 16:04:03 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
Signed-off-by: Judith Mendez <jm@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts | 2 +-
arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts | 2 +-
arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts | 6 +++---
arch/arm64/boot/dts/ti/k3-am625-sk-common.dtsi | 2 +-
arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 2 +-
5 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
index dfd65c00f5b95..7fd508f4eddf1 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
@@ -86,7 +86,7 @@ main_mmc0_pins_default: main-mmc0-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62X_IOPAD(0x220, PIN_INPUT, 0) /* (V3) MMC0_CMD */
- AM62X_IOPAD(0x218, PIN_INPUT, 0) /* (Y1) MMC0_CLK */
+ AM62X_IOPAD(0x218, PIN_OUTPUT, 0) /* (Y1) MMC0_CLK */
AM62X_IOPAD(0x214, PIN_INPUT, 0) /* (V2) MMC0_DAT0 */
AM62X_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (V1) MMC0_DAT1 */
AM62X_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (W2) MMC0_DAT2 */
diff --git a/arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts b/arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts
index 7a4cffc27bda3..1c691629d4ad0 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts
@@ -235,7 +235,7 @@ AM62X_IOPAD(0x0020, PIN_OUTPUT, 3) /* (J25) OSPI0_D5.UART6_TXD */
main_mmc1_pins_default: main-mmc1-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x23c, PIN_INPUT, 0) /* (A21/C18) MMC1_CMD */
- AM62X_IOPAD(0x234, PIN_INPUT, 0) /* (B22/A20) MMC1_CLK */
+ AM62X_IOPAD(0x234, PIN_OUTPUT, 0) /* (B22/A20) MMC1_CLK */
AM62X_IOPAD(0x230, PIN_INPUT, 0) /* (A22/A19) MMC1_DAT0 */
AM62X_IOPAD(0x22c, PIN_INPUT, 0) /* (B21/B19) MMC1_DAT1 */
AM62X_IOPAD(0x228, PIN_INPUT, 0) /* (C21/B20) MMC1_DAT2 */
diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
index c468b9c5fc09a..898e4ca3fd87e 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
@@ -323,7 +323,7 @@ emmc_pins_default: emmc-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62X_IOPAD(0x0220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */
- AM62X_IOPAD(0x0218, PIN_INPUT, 0) /* (AB1) MMC0_CLK */
+ AM62X_IOPAD(0x0218, PIN_OUTPUT, 0) /* (AB1) MMC0_CLK */
AM62X_IOPAD(0x0214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */
AM62X_IOPAD(0x0210, PIN_INPUT, 0) /* (AA1) MMC0_DAT1 */
AM62X_IOPAD(0x020c, PIN_INPUT, 0) /* (AA3) MMC0_DAT2 */
@@ -346,7 +346,7 @@ sd_pins_default: sd-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62X_IOPAD(0x023c, PIN_INPUT, 0) /* (A21) MMC1_CMD */
- AM62X_IOPAD(0x0234, PIN_INPUT, 0) /* (B22) MMC1_CLK */
+ AM62X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (B22) MMC1_CLK */
AM62X_IOPAD(0x0230, PIN_INPUT, 0) /* (A22) MMC1_DAT0 */
AM62X_IOPAD(0x022c, PIN_INPUT, 0) /* (B21) MMC1_DAT1 */
AM62X_IOPAD(0x0228, PIN_INPUT, 0) /* (C21) MMC1_DAT2 */
@@ -358,7 +358,7 @@ AM62X_IOPAD(0x0240, PIN_INPUT, 7) /* (D17) MMC1_SDCD.GPIO1_48 */
wifi_pins_default: wifi-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x0120, PIN_INPUT, 0) /* (C24) MMC2_CMD */
- AM62X_IOPAD(0x0118, PIN_INPUT, 0) /* (D25) MMC2_CLK */
+ AM62X_IOPAD(0x0118, PIN_OUTPUT, 0) /* (D25) MMC2_CLK */
AM62X_IOPAD(0x0114, PIN_INPUT, 0) /* (B24) MMC2_DAT0 */
AM62X_IOPAD(0x0110, PIN_INPUT, 0) /* (C25) MMC2_DAT1 */
AM62X_IOPAD(0x010c, PIN_INPUT, 0) /* (E23) MMC2_DAT2 */
diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am625-sk-common.dtsi
index 9c83626826453..085b067d96fbb 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-sk-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am625-sk-common.dtsi
@@ -98,7 +98,7 @@ main_mmc0_pins_default: 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_PULLUP, 0) /* (AA1) MMC0_DAT1 */
AM62X_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (AA3) MMC0_DAT2 */
diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
index ab9e58c2d225e..d2f41e2ed6239 100644
--- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
@@ -194,7 +194,7 @@ main_mmc1_pins_default: main-mmc1-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62X_IOPAD(0x23c, PIN_INPUT, 0) /* (A21/C18) MMC1_CMD */
- AM62X_IOPAD(0x234, PIN_INPUT, 0) /* (B22/A20) MMC1_CLK */
+ AM62X_IOPAD(0x234, PIN_OUTPUT, 0) /* (B22/A20) MMC1_CLK */
AM62X_IOPAD(0x230, PIN_INPUT, 0) /* (A22/A19) MMC1_DAT0 */
AM62X_IOPAD(0x22c, PIN_INPUT, 0) /* (B21/B19) MMC1_DAT1 */
AM62X_IOPAD(0x228, PIN_INPUT, 0) /* (C21/B20) MMC1_DAT2 */
--
2.54.0