[PATCH v5 2/4] dt-bindings: mmc: Add uhs-gpio for Keem Bay UHS-1 Support

From: muhammad . husaini . zulkifli
Date: Thu Oct 08 2020 - 14:22:06 EST


From: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@xxxxxxxxx>

Add DT bindings of uhs-gpio for Keem Bay SOC UHS Mode Support

Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@xxxxxxxxx>
Acked-by: Michal Simek <michal.simek@xxxxxxxxxx>
---
Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
index 58fe9d02a781..320566a673f0 100644
--- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
@@ -83,7 +83,7 @@ properties:
- const: intel,keembay-sdhci-5.1-sd # Intel Keem Bay SD controller
description:
For this device it is strongly suggested to include
- arasan,soc-ctl-syscon.
+ arasan,soc-ctl-syscon and uhs-gpio.
- const: intel,keembay-sdhci-5.1-sdio # Intel Keem Bay SDIO controller
description:
For this device it is strongly suggested to include
@@ -152,6 +152,11 @@ properties:
description:
The MIO bank number in which the command and data lines are configured.

+ uhs-gpio:
+ description:
+ The power mux input will be configure using the GPIO provided
+ to generate either 1.8v or 3.3v output.
+
dependencies:
clock-output-names: [ '#clock-cells' ]
'#clock-cells': [ clock-output-names ]
@@ -300,4 +305,5 @@ examples:
clocks = <&scmi_clk KEEM_BAY_PSS_AUX_SD0>,
<&scmi_clk KEEM_BAY_PSS_SD0>;
arasan,soc-ctl-syscon = <&sd0_phy_syscon>;
+ uhs-gpio = <&pca0 17 0>;
};
--
2.17.1