linux-kernel - [PATCH v3 3/5] dt-bindings: sdhci-omap: Add bindings for the sdhci-omap controller

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Date:   Wed, 23 Aug 2017 11:12:46 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Rob Herring <robh+dt@...nel.org>,
        Tony Lindgren <tony@...mide.com>
CC:     Sekhar Nori <nsekhar@...com>, Russell King <linux@...linux.org.uk>,
        Ravikumar Kattekola <rk@...com>, <linux-mmc@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Kishon Vijay Abraham I <kishon@...com>
Subject: [PATCH v3 3/5] dt-bindings: sdhci-omap: Add bindings for the sdhci-omap controller

Add binding for the TI's sdhci-omap controller. This now includes only
a subset of properties documented in ti-omap-hsmmc.txt but will eventually
include all the properties.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
Changes from v2:
*) Fixed example to use the updated compatible

Changes from v1:
*) Create a new sdhci-omap.txt document for TI's sdhci-omap controller instead
   of using the ti-omap-hsmmc.txt as suggested by Tony
 .../devicetree/bindings/mmc/sdhci-omap.txt         | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-omap.txt

diff --git a/Documentation/devicetree/bindings/mmc/sdhci-omap.txt b/Documentation/devicetree/bindings/mmc/sdhci-omap.txt
new file mode 100644
index 000000000000..139695ad2d58
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/sdhci-omap.txt
@@ -0,0 +1,22 @@
+* TI OMAP SDHCI Controller
+
+Refer to mmc.txt for standard MMC bindings.
+
+Required properties:
+- compatible: Should be "ti,dra7-sdhci" for DRA7 and DRA72 controllers
+- ti,hwmods: Must be "mmc<n>", <n> is controller instance starting 1
+
+Optional properties:
+- ti,dual-volt: boolean, supports dual voltage cards
+- ti,non-removable: non-removable slot (like eMMC)
+
+Example:
+	mmc1: mmc@...809c000 {
+		compatible = "ti,dra7-sdhci";
+		reg = <0x4809c000 0x400>;
+		ti,hwmods = "mmc1";
+		ti,dual-volt;
+		bus-width = <4>;
+		vmmc-supply = <&vmmc>; /* phandle to regulator node */
+		ti,non-removable;
+	};
-- 
2.11.0