dt-bindings: mmc: sdhci-msm: Add CQE reg map

CQE feature has been enabled on sdhci-msm. Add CQE reg map
and reg names that need to be supplied for supporting CQE feature.

Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1582545470-11530-1-git-send-email-vbadigan@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
index 7ee639b1af039afe12d46a1eca7ed21288846902..5445931c5ab9efe6a8a859ce7446667301446664 100644 (file)
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
@@ -26,7 +26,13 @@ Required properties:
 
 - reg: Base address and length of the register in the following order:
        - Host controller register map (required)
-       - SD Core register map (required for msm-v4 and below)
+       - SD Core register map (required for controllers earlier than msm-v5)
+       - CQE register map (Optional, CQE support is present on SDHC instance meant
+                           for eMMC and version v4.2 and above)
+- reg-names: When CQE register map is supplied, below reg-names are required
+       - "hc" for Host controller register map
+       - "core" for SD core register map
+       - "cqhci" for CQE register map
 - interrupts: Should contain an interrupt-specifiers for the interrupts:
        - Host controller interrupt (required)
 - pinctrl-names: Should contain only one value - "default".