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authorludovic.desroches@atmel.com <ludovic.desroches@atmel.com>2015-07-29 16:22:47 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2015-08-24 11:25:53 +0200
commitbb5f8ea4d5149f3dec6f7cd24c040c52bfc0cdbd (patch)
treeea441d7a7ea4cde7796a6ab8b17d51bd83537ab3 /Documentation/devicetree/bindings/mmc/sdhci-atmel.txt
parentmmc: sdhci: switch from programmable clock mode to divided one if needed (diff)
downloadlinux-dev-bb5f8ea4d5149f3dec6f7cd24c040c52bfc0cdbd.tar.xz
linux-dev-bb5f8ea4d5149f3dec6f7cd24c040c52bfc0cdbd.zip
mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC
Introduce driver for he Atmel SDMMC available on sama5d2. It is a sdhci compliant controller. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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+* Atmel SDHCI controller
+
+This file documents the differences between the core properties in
+Documentation/devicetree/bindings/mmc/mmc.txt and the properties used by the
+sdhci-of-at91 driver.
+
+Required properties:
+- compatible: Must be "atmel,sama5d2-sdhci".
+- clocks: Phandlers to the clocks.
+- clock-names: Must be "hclock", "multclk", "baseclk";
+
+
+Example:
+
+sdmmc0: sdio-host@a0000000 {
+ compatible = "atmel,sama5d2-sdhci";
+ reg = <0xa0000000 0x300>;
+ interrupts = <31 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&sdmmc0_hclk>, <&sdmmc0_gclk>, <&main>;
+ clock-names = "hclock", "multclk", "baseclk";
+};