Documentation: sdhci-msm: Add new compatible string for SDCC v5

For SDCC version 5.0.0 and higher, new compatible string
"qcom,sdhci-msm-v5" is added.

Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>
Signed-off-by: Vijay Viswanath <vviswana@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
index bfdcdc4ccdff..502b3b851ebb 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
@@ -4,7 +4,12 @@ This file documents differences between the core properties in mmc.txt
 and the properties used by the sdhci-msm driver.
 
 Required properties:
-- compatible: Should contain "qcom,sdhci-msm-v4".
+- compatible: Should contain:
+                "qcom,sdhci-msm-v4" for sdcc versions less than 5.0
+                "qcom,sdhci-msm-v5" for sdcc versions >= 5.0
+                For SDCC version 5.0.0, MCI registers are removed from SDCC
+                interface and some registers are moved to HC. New compatible
+                string is added to support this change - "qcom,sdhci-msm-v5".
 - reg: Base address and length of the register in the following order:
         - Host controller register map (required)
         - SD Core register map (required)