From: Ondrej Jirman <megous@xxxxxxxxxx>
MMC1 is used on some H6 boards we want to support. Typical use is 4-bit
SDIO interface with a WiFi chip. Add pin definitions for this use case.
As this is the only possible configration for mmc1, make it the default
one, too.
Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>
---
arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index e0dc4a05c1ba..bd37b849d3b7 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -243,6 +243,15 @@
bias-pull-up;
};
+ /omit-if-no-ref/
+ mmc1_pins: mmc1-pins {
+ pins = "PG0", "PG1", "PG2", "PG3",
+ "PG4", "PG5";
+ function = "mmc1";
+ drive-strength = <30>;
+ bias-pull-up;
+ };
+
mmc2_pins: mmc2-pins {
pins = "PC1", "PC4", "PC5", "PC6",
"PC7", "PC8", "PC9", "PC10",
@@ -294,6 +303,8 @@
resets = <&ccu RST_BUS_MMC1>;
reset-names = "ahb";
interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc1_pins>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
--
2.21.0
