| Message ID | 20240321085220.2920792-1-tejas.arvind.bhumkar@amd.com |
|---|---|
| State | New |
| Delegated to: | Michal Simek |
| Headers | show |
| Series | arm64: zynqmp: Disable Tri-state for SDIO | expand |
On 3/21/24 09:52, Tejas Bhumkar wrote: > Since the zynqmp pinctrl driver now includes support for the > tri-state registers, ensure that the pins needing output-enable > are correctly configured for SOMs. > > Currently, there is an issue with the detection of the MMC for > the SOM kv260, resulting in the following error: > ZynqMP> mmc dev 1 > Card did not respond to voltage select! : -110 > > To address this problem, configure the SDIO pins for output-enable > to enable MMC detection. > > Signed-off-by: Michal Simek <michal.simek@amd.com> > Signed-off-by: Tejas Bhumkar <tejas.arvind.bhumkar@amd.com> > --- > arch/arm/dts/zynqmp-sck-kv-g-revA.dtso | 1 + > arch/arm/dts/zynqmp-sck-kv-g-revB.dtso | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/arch/arm/dts/zynqmp-sck-kv-g-revA.dtso b/arch/arm/dts/zynqmp-sck-kv-g-revA.dtso > index 6d0d5c487d..561b546e37 100644 > --- a/arch/arm/dts/zynqmp-sck-kv-g-revA.dtso > +++ b/arch/arm/dts/zynqmp-sck-kv-g-revA.dtso > @@ -342,6 +342,7 @@ > slew-rate = <SLEW_RATE_SLOW>; > power-source = <IO_STANDARD_LVCMOS18>; > bias-disable; > + output-enable; > }; > > conf-cd { > diff --git a/arch/arm/dts/zynqmp-sck-kv-g-revB.dtso b/arch/arm/dts/zynqmp-sck-kv-g-revB.dtso > index a4b4465d20..13876fb47d 100644 > --- a/arch/arm/dts/zynqmp-sck-kv-g-revB.dtso > +++ b/arch/arm/dts/zynqmp-sck-kv-g-revB.dtso > @@ -329,6 +329,7 @@ > slew-rate = <SLEW_RATE_SLOW>; > power-source = <IO_STANDARD_LVCMOS18>; > bias-disable; > + output-enable; > }; > > conf-cd { Applied. M
diff --git a/arch/arm/dts/zynqmp-sck-kv-g-revA.dtso b/arch/arm/dts/zynqmp-sck-kv-g-revA.dtso index 6d0d5c487d..561b546e37 100644 --- a/arch/arm/dts/zynqmp-sck-kv-g-revA.dtso +++ b/arch/arm/dts/zynqmp-sck-kv-g-revA.dtso @@ -342,6 +342,7 @@ slew-rate = <SLEW_RATE_SLOW>; power-source = <IO_STANDARD_LVCMOS18>; bias-disable; + output-enable; }; conf-cd { diff --git a/arch/arm/dts/zynqmp-sck-kv-g-revB.dtso b/arch/arm/dts/zynqmp-sck-kv-g-revB.dtso index a4b4465d20..13876fb47d 100644 --- a/arch/arm/dts/zynqmp-sck-kv-g-revB.dtso +++ b/arch/arm/dts/zynqmp-sck-kv-g-revB.dtso @@ -329,6 +329,7 @@ slew-rate = <SLEW_RATE_SLOW>; power-source = <IO_STANDARD_LVCMOS18>; bias-disable; + output-enable; }; conf-cd {