On Wed, Aug 03, 2016 at 04:18:42PM -0700, Kevin Hilman wrote: > Add binding and basic support for the SD/eMMC controller on Amlogic > S905/GXBB devices. > > Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxxxx> > --- > .../devicetree/bindings/mmc/amlogic,meson-gxbb.txt | 29 +++++++++ > .../arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 74 ++++++++++++++++++++++ > arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi | 71 +++++++++++++++++++++ > arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 36 ++++++++++- > 4 files changed, 209 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/mmc/amlogic,meson-gxbb.txt > > diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-gxbb.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-gxbb.txt > new file mode 100644 > index 000000000000..2bfdf47018c5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-gxbb.txt > @@ -0,0 +1,29 @@ > +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 "amlogic,meson-gxbb" I assume that should be "amlogic,meson-gxbb-mmc" instead of "amlogic,meson-gxbb", shouldn't it? > +- 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>; > + }; > + Regards, Karsten -- Gem. Par. 28 Abs. 4 Bundesdatenschutzgesetz widerspreche ich der Nutzung sowie der Weitergabe meiner personenbezogenen Daten für Zwecke der Werbung sowie der Markt- oder Meinungsforschung. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html