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author | Sascha Hauer <s.hauer@pengutronix.de> | 2017-01-10 08:26:15 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-01-10 08:48:45 +0100 |
commit | a40531fb3c11dc4ee8cca43c91b471da1fd3c1ab (patch) | |
tree | 35f886d87a77df7bac8a587a04647691db541a2e /dts/Bindings/mmc/amlogic,meson-gx.txt | |
parent | 81462901ce3d677ce318150f7027e2ce1cf97c41 (diff) | |
download | barebox-a40531fb3c11dc4ee8cca43c91b471da1fd3c1ab.tar.gz barebox-a40531fb3c11dc4ee8cca43c91b471da1fd3c1ab.tar.xz |
dts: update to v4.10-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/mmc/amlogic,meson-gx.txt')
-rw-r--r-- | dts/Bindings/mmc/amlogic,meson-gx.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/dts/Bindings/mmc/amlogic,meson-gx.txt b/dts/Bindings/mmc/amlogic,meson-gx.txt new file mode 100644 index 0000000000..7f95ec4008 --- /dev/null +++ b/dts/Bindings/mmc/amlogic,meson-gx.txt @@ -0,0 +1,32 @@ +Amlogic SD / eMMC controller for S905/GXBB family SoCs + +The MMC 5.1 compliant host controller on Amlogic provides the +interface for SD, eMMC and SDIO devices. + +This file documents the properties in addition to those available in +the MMC core bindings, documented by mmc.txt. + +Required properties: +- compatible : contains one of: + - "amlogic,meson-gx-mmc" + - "amlogic,meson-gxbb-mmc" + - "amlogic,meson-gxl-mmc" + - "amlogic,meson-gxm-mmc" +- clocks : A list of phandle + clock-specifier pairs for the clocks listed in clock-names. +- clock-names: Should contain the following: + "core" - Main peripheral bus clock + "clkin0" - Parent clock of internal mux + "clkin1" - Other parent clock of internal mux + The driver has an interal mux clock which switches between clkin0 and clkin1 depending on the + clock rate requested by the MMC core. + +Example: + + sd_emmc_a: mmc@70000 { + compatible = "amlogic,meson-gxbb-mmc"; + reg = <0x0 0x70000 0x0 0x2000>; + interrupts = < GIC_SPI 216 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkc CLKID_SD_EMMC_A>, <&xtal>, <&clkc CLKID_FCLK_DIV2>; + clock-names = "core", "clkin0", "clkin1"; + pinctrl-0 = <&emmc_pins>; + }; |