This patch updates the text and examples the mmc pwrseq document with multiple
gpios support. Typical example is WLAN and BT chips on SDIO bus.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt
index da333d9..1a86efa 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt
@@ -8,13 +8,14 @@ Required properties:
- compatible : contains "mmc-pwrseq-simple".
Optional properties:
-- reset-gpios : contains a GPIO specifier. The reset GPIO is asserted at
- initialization and prior we start the power up procedure of the card. It
+- reset-gpios : contains list of GPIO specifiers. The reset GPIOs are asserted at
+ initialization and prior we start the power up procedure of the card. They
will be de-asserted right after the power has been provided to the card.
Example:
sdhci0_pwrseq {
compatible = "mmc-pwrseq-simple";
- reset-gpios = <&gpio1 12 0>;
+ /* WLAN and BT reset */
+ reset-gpios = <&gpio1 12 0>, <&gpio1 14 0>;
}
--
1.9.1
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