github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-24 06:24:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

arm64: dts: xilinx: drop bias-high-impedance on SDIO CD/WP pins

Browse Source 
Since commit 9c10525510 ("pinctrl: pinconf-generic: perform basic
checks on pincfg properties"), the generic pinconf parser logs an error
when a pin configuration node specifies more than one bias mode.
Several ZynqMP boards described SDIO card-detect and write-protect pins
with both bias-high-impedance and bias-pull-up, which triggers at
pinctrl probe:

  generic pinconfig core: /firmware/zynqmp-firmware/pinctrl/.../conf-cd:
    cannot have multiple bias configurations

On ZynqMP, bias-high-impedance enables tri-state while bias-pull-up
enables the internal pull resistor; these are mutually exclusive bias
settings and only pull-up is needed for CD/WP inputs. Drop the redundant
bias-high-impedance property and keep bias-pull-up.

Reported-by: Mikko Rapeli (Linaro) <mikko.rapeli@linaro.org>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=221586
Link: https://patch.msgid.link/e01c8e60e1d9ed68c347f1a3741f89149109d8b7.1780496388.git.michal.simek@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Michal Simek 2026-06-03 16:19:52 +02:00
parent dc59e4fea9
commit bc7b17594a
10 changed files with 0 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
View File

@ -374,7 +374,6 @@ conf {
conf-cd {
groups = "sdio1_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;

1
arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
View File

@ -365,7 +365,6 @@ conf {
conf-cd {
groups = "sdio1_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;

4
arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts
View File

@ -270,7 +270,6 @@ mux-cd {
conf-cd {
groups = "sdio0_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;
@ -283,7 +282,6 @@ mux-wp {
conf-wp {
groups = "sdio0_wp_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;
@ -310,7 +308,6 @@ mux-cd {
conf-cd {
groups = "sdio1_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;
@ -323,7 +320,6 @@ mux-wp {
conf-wp {
groups = "sdio1_wp_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;

2
arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm019-dc5.dts
View File

@ -270,7 +270,6 @@ mux-cd {
conf-cd {
groups = "sdio0_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;
@ -283,7 +282,6 @@ mux-wp {
conf-wp {
groups = "sdio0_wp_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;

1
arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
View File

@ -320,7 +320,6 @@ mux-cd {
conf-cd {
groups = "sdio0_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;

2
arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
View File

@ -896,7 +896,6 @@ mux-cd {
conf-cd {
groups = "sdio1_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;
@ -909,7 +908,6 @@ mux-wp {
conf-wp {
groups = "sdio1_wp_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;

1
arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
View File

@ -359,7 +359,6 @@ mux-cd {
conf-cd {
groups = "sdio1_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;

1
arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
View File

@ -371,7 +371,6 @@ mux-cd {
conf-cd {
groups = "sdio1_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;

2
arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
View File

@ -895,7 +895,6 @@ mux-cd {
conf-cd {
groups = "sdio1_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;
@ -908,7 +907,6 @@ mux-wp {
conf-wp {
groups = "sdio1_wp_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;

1
arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
View File

@ -750,7 +750,6 @@ mux-cd {
conf-cd {
groups = "sdio1_cd_0_grp";
bias-high-impedance;
bias-pull-up;
slew-rate = <SLEW_RATE_SLOW>;
power-source = <IO_STANDARD_LVCMOS18>;