This patch adds the DT properties for voltage regulator nodes
for Qualcomm SDHCI driver.
Signed-off-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
index 851e66d..32cea75 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
@@ -17,7 +17,15 @@ Required properties:
"iface" - Main peripheral bus clock (PCLK/HCLK - AHB Bus clock) (required)
"core" - SDC MMC clock (MCLK) (required)
"bus" - SDCC bus voter clock (optional)
+- qcom,<supply>-voltage_level - specifies voltage levels for supply. Should be
+ specified in pairs (min, max), units uV.
+- qcom,<supply>-current_level - specifies load levels for supply in lpm or
+ high power mode (hpm). Should be specified in
+ pairs (lpm, hpm), units uA.
+Optional Properties:
+ - qcom,<supply>-always-on - specifies whether supply should be kept "on" always.
+ - qcom,<supply>-lpm_sup - specifies whether supply can be kept in low power mode (lpm).
Example:
sdhc_1: sdhci@f9824900 {
@@ -28,7 +36,13 @@ Example:
non-removable;
vdd-supply = <&pm8941_l20>;
+ qcom,vdd-voltage-level = <2950000 2950000>;
+ qcom,vdd-current-level = <200 570000>;
+
vdd-io-supply = <&pm8941_s3>;
+ qcom,vdd-io-always-on;
+ qcom,vdd-io-voltage-level = <1800000 1800000>;
+ qcom,vdd-io-current-level = <110 325000>;
pinctrl-names = "default";
pinctrl-0 = <&sdc1_clk &sdc1_cmd &sdc1_data>;
@@ -45,7 +59,12 @@ Example:
cd-gpios = <&msmgpio 62 0x1>;
vdd-supply = <&pm8941_l21>;
+ qcom,vdd-voltage-level = <2950000 2950000>;
+ qcom,vdd-current-level = <200 800000>;
+
vdd-io-supply = <&pm8941_l13>;
+ qcom,vdd-io-voltage-level = <1800000 2950000>;
+ qcom,vdd-io-current-level = <200 22000>;
pinctrl-names = "default";
pinctrl-0 = <&sdc2_clk &sdc2_cmd &sdc2_data>;
--
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.
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