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On 7/29/2026 3:08 PM, sashiko-bot@kernel.org wrote: > Thank you for your contribution! Sashiko AI review found 1 potential issue(s) to consider: > > Pre-existing issues: > - [High] This problem wasn't introduced by this patch, but the commit fails to apply the necessary AM62x SoC hardware constraint to several third-party device trees. While it correctly updates the TI SK and Beagle boards' MMC clock pins to `PIN_OUTPUT` to disable the receiver per the TRM (SPRUIV7), boards like the Toradex Verdin, PHYTEC phyCORE, TQ, and Variscite AM62x SOMs still incorrectly define MMC0/1/2 clock pins as `PIN_INPUT` or `PIN_INPUT_PULLDOWN`. As this is an underlying SoC requirement, all boards integrating the AM62x SoC must implement the correct pad configuration. > -- > > --- Patch [3]: [PATCH 3/8] arm64: dts: ti: k3-am62: Set MMC clock pins as OUTPUT --- > commit 7601627985b20fa80186e314fd493c2b9a330fe1 > Author: Judith Mendez > > arm64: dts: ti: k3-am62: Set MMC clock pins as OUTPUT > > This commit updates the MMC clock pin configuration on various AM62x boards to > use PIN_OUTPUT. This matches the TRM requirement to disable the receiver for > these pins. > >> 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 */ > > [Severity: High] > This isn't a bug introduced by this patch, but while this updates the TI SK and > Beagle boards to use PIN_OUTPUT for MMC clock pins, it looks like several > third-party AM62x boards still define these pins as PIN_INPUT or > PIN_INPUT_PULLDOWN. > > For example: > > arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi:pinctrl_sdhci0() > AM62X_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLK */ > > arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi:main_mmc0_pins_default() > AM62X_IOPAD(0x218, PIN_INPUT_PULLDOWN, 0) /* (AB1) MMC0_CLK */ > > arch/arm64/boot/dts/ti/k3-am62x-phyboard-lyra.dtsi:main_mmc1_pins_default() > AM62X_IOPAD(0x234, PIN_INPUT_PULLDOWN, 0) /* (B22) MMC1_CLK */ > > arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi:main_mmc0_pins_default() > AM62AX_IOPAD(0x218, PIN_INPUT_PULLDOWN, 0) /* (AB7) MMC0_CLK */ > > arch/arm64/boot/dts/ti/k3-am625-tqma62xx.dtsi:main_mmc0_pins() > AM62X_IOPAD(0x218, PIN_INPUT, 0) > > Since this is an underlying AM62x SoC hardware requirement from the TRM, should > these other device trees also be updated to prevent potential signal integrity > issues and intermittent SD/eMMC I/O failures? As far as I know, this issue is more of a documentation fix and does not prevent potential signal integrity issues. ~ Judith >