Re: [PATCH v1] arm64: dts: ti: k3-am62-verdin: Set MMC clock pins as OUTPUT
"Mendez, Judith" <[email protected]>
| Newsgroups | org.kernel.vger.linux-devicetree,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
Hi Francesco, On 8/14/2026 2:15 AM, Francesco Dolcini wrote: > On Thu, Aug 13, 2026 at 02:57:52PM -0500, Mendez, Judith wrote: >> Hi Francesco, >> >> On 8/13/2026 6:12 AM, Francesco Dolcini wrote: >>> From: Francesco Dolcini <[email protected]> >>> >>> 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. >>> >>> Link: https://www.ti.com/lit/pdf/spruiv7 Rev. C: Table 12-246. MMCSDi I/O Signals [0] >>> Fixes: 316b80246b16 ("arm64: dts: ti: add verdin am62") >>> Cc: [email protected] >>> Signed-off-by: Francesco Dolcini <[email protected]> >> >> Assuming defaults are set. > > We have > > AM62X_IOPAD(0x11c, PIN_INPUT, 0) /* (#N/A) MMC2_CLKB */ > > is this what you are referring to here and in the other discussion > thread? Yes, without this defined, MMC2 would not work normally. You have it defined so you should not have any problems. ~ Judith