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arm64: dts: ti: k3-am62: Enable SDHCI nodes at the board level

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SDHCI nodes defined in the top-level AM62x SoC dtsi files are incomplete
and will not be functional unless they are extended with pinmux
information.

As the pinmux is only known at the board integration level, these
nodes should only be enabled when provided with this information.

Disable the SDHCI nodes in the dtsi files and only enable the ones that
are actually pinned out on a given board.

Signed-off-by: Andrew Davis <afd@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20221018211533.21335-10-afd@ti.com
This commit is contained in:
Andrew Davis
2022-10-18 16:15:32 -05:00
committed by Nishanth Menon
parent 2f6d7e18e7
commit b2b10301ca
2 changed files with 5 additions and 0 deletions
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3
arch/arm64/boot/dts/ti/k3-am62-main.dtsi
View File

@@ -407,6 +407,7 @@ sdhci0: mmc@fa10000 {
ti,otap-del-sel-mmc-hs = <0x0>;
ti,otap-del-sel-ddr52 = <0x9>;
ti,otap-del-sel-hs200 = <0x6>;
status = "disabled";
};
sdhci1: mmc@fa00000 {
@@ -430,6 +431,7 @@ sdhci1: mmc@fa00000 {
ti,itap-del-sel-sdr25 = <0x0>;
ti,clkbuf-sel = <0x7>;
bus-width = <4>;
status = "disabled";
};
sdhci2: mmc@fa20000 {
@@ -452,6 +454,7 @@ sdhci2: mmc@fa20000 {
ti,itap-del-sel-sdr12 = <0x0>;
ti,itap-del-sel-sdr25 = <0x0>;
ti,clkbuf-sel = <0x7>;
status = "disabled";
};
fss: bus@fc00000 {

2
arch/arm64/boot/dts/ti/k3-am625-sk.dts
View File

@@ -335,6 +335,7 @@ exp1: gpio@22 {
};
&sdhci0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_mmc0_pins_default>;
ti,driver-strength-ohm = <50>;
@@ -343,6 +344,7 @@ &sdhci0 {
&sdhci1 {
/* SD/MMC */
status = "okay";
vmmc-supply = <&vdd_mmc1>;
vqmmc-supply = <&vdd_sd_dv>;
pinctrl-names = "default";