linux-kernel - [PATCH 2/8] mmc: sdhci-st: STMicroelectronics SDHCI binding documentation.

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Message-Id: <1400771902-26553-3-git-send-email-peter.griffin@linaro.org>
Date:	Thu, 22 May 2014 16:18:16 +0100
From:	Peter Griffin <peter.griffin@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	maxime.coquelin@...com, patrice.chotard@...com,
	srinivas.kandagatla@...il.com, chris@...ntf.net,
	ulf.hansson@...aro.org
Cc:	peter.griffin@...aro.org, kernel@...inux.com, lee.jones@...aro.org,
	linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
	Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: [PATCH 2/8] mmc: sdhci-st: STMicroelectronics SDHCI binding documentation.

This patch adds the device tree binding documentation for ST
SDHCI driver. It contains the differences between the core properties
in mmc.txt and the properties used by the sdhci-st driver.

Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@...com>
---
 Documentation/devicetree/bindings/mmc/sdhci-st.txt | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-st.txt

diff --git a/Documentation/devicetree/bindings/mmc/sdhci-st.txt b/Documentation/devicetree/bindings/mmc/sdhci-st.txt
new file mode 100644
index 0000000..ae3dae0
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/sdhci-st.txt
@@ -0,0 +1,26 @@
+* STMicroelectronics sdhci-st MMC/SD controller
+
+This file documents differences between the core properties in mmc.txt
+and the properties used by the sdhci-st driver
+
+Required properties:
+- compatible: "st,sdhci"
+- clocks: card clock, must be "mmc".
+
+Optional properties:
+- reset: to provide a reset to the HC.
+- non-removable: non-removable slot (bindings/mmc/mmc.txt).
+
+Example:
+
+mmc0: sdhci@...1e000 {
+	compatible	= "st,sdhci";
+	status		= "disabled";
+	reg		= <0xfe81e000 0x1000>;
+	interrupts	= <GIC_SPI 127 IRQ_TYPE_NONE>;
+	interrupt-names	= "mmcirq";
+	pinctrl-names	= "default";
+	pinctrl-0	= <&pinctrl_mmc0>;
+	clock-names	= "mmc";
+	clocks		= <&clk_s_a1_ls 1>;
+};
-- 
1.9.1

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