Re: [PATCH v4 1/2] dt-bindings: mmc: add DT binding for S3C24XX MMC/SD/SDIO controller
On Wed, Mar 01, 2017 at 10:18:55PM -0300, Sergio Prado wrote: > Adds the device tree bindings description for Samsung S3C24XX > MMC/SD/SDIO controller, used as a connectivity interface with external > MMC, SD and SDIO storage mediums. > > Signed-off-by: Sergio Prado > --- > .../devicetree/bindings/mmc/samsung,s3cmci.txt | 42 > ++ > 1 file changed, 42 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt Acked-by: Rob Herring
Re: [PATCH v4 1/2] dt-bindings: mmc: add DT binding for S3C24XX MMC/SD/SDIO controller
On 03/02/2017 10:18 AM, Sergio Prado wrote: > Adds the device tree bindings description for Samsung S3C24XX > MMC/SD/SDIO controller, used as a connectivity interface with external > MMC, SD and SDIO storage mediums. > > Signed-off-by: Sergio Prado > --- > .../devicetree/bindings/mmc/samsung,s3cmci.txt | 42 > ++ > 1 file changed, 42 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt > > diff --git a/Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt > b/Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt > new file mode 100644 > index ..5f68feb9f9d6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt > @@ -0,0 +1,42 @@ > +* Samsung's S3C24XX MMC/SD/SDIO controller device tree bindings > + > +Samsung's S3C24XX MMC/SD/SDIO controller is used as a connectivity interface > +with external MMC, SD and SDIO storage mediums. > + > +This file documents differences between the core mmc properties described by > +mmc.txt and the properties used by the Samsung S3C24XX MMC/SD/SDIO controller > +implementation. > + > +Required SoC Specific Properties: > +- compatible: should be one of the following > + - "samsung,s3c2410-sdi": for controllers compatible with s3c2410 > + - "samsung,s3c2412-sdi": for controllers compatible with s3c2412 > + - "samsung,s3c2440-sdi": for controllers compatible with s3c2440 > +- reg: register location and length > +- interrupts: mmc controller interrupt > +- clocks: Should reference the controller clock > +- clock-names: Should contain "sdi" > + > +Required Board Specific Properties: > +- pinctrl-0: Should specify pin control groups used for this controller. > +- pinctrl-names: Should contain only one value - "default". > + > +Optional Properties: > +- bus-width: number of data lines (see mmc.txt) > +- cd-gpios: gpio for card detection (see mmc.txt) > +- wp-gpios: gpio for write protection (see mmc.txt) I think these properties don't need to describe at here. It's common properties. Best Regards, Jaehoon Chung > + > +Example: > + > + mmc0: mmc@5a00 { > + compatible = "samsung,s3c2440-sdi"; > + pinctrl-names = "default"; > + pinctrl-0 = <&sdi_pins>; > + reg = <0x5a00 0x10>; > + interrupts = <0 0 21 3>; > + clocks = <&clocks PCLK_SDI>; > + clock-names = "sdi"; > + bus-width = <4>; > + cd-gpios = <&gpg 8 GPIO_ACTIVE_LOW>; > + wp-gpios = <&gph 8 GPIO_ACTIVE_LOW>; > + }; >
[PATCH v4 1/2] dt-bindings: mmc: add DT binding for S3C24XX MMC/SD/SDIO controller
Adds the device tree bindings description for Samsung S3C24XX MMC/SD/SDIO controller, used as a connectivity interface with external MMC, SD and SDIO storage mediums. Signed-off-by: Sergio Prado --- .../devicetree/bindings/mmc/samsung,s3cmci.txt | 42 ++ 1 file changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt diff --git a/Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt b/Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt new file mode 100644 index ..5f68feb9f9d6 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/samsung,s3cmci.txt @@ -0,0 +1,42 @@ +* Samsung's S3C24XX MMC/SD/SDIO controller device tree bindings + +Samsung's S3C24XX MMC/SD/SDIO controller is used as a connectivity interface +with external MMC, SD and SDIO storage mediums. + +This file documents differences between the core mmc properties described by +mmc.txt and the properties used by the Samsung S3C24XX MMC/SD/SDIO controller +implementation. + +Required SoC Specific Properties: +- compatible: should be one of the following + - "samsung,s3c2410-sdi": for controllers compatible with s3c2410 + - "samsung,s3c2412-sdi": for controllers compatible with s3c2412 + - "samsung,s3c2440-sdi": for controllers compatible with s3c2440 +- reg: register location and length +- interrupts: mmc controller interrupt +- clocks: Should reference the controller clock +- clock-names: Should contain "sdi" + +Required Board Specific Properties: +- pinctrl-0: Should specify pin control groups used for this controller. +- pinctrl-names: Should contain only one value - "default". + +Optional Properties: +- bus-width: number of data lines (see mmc.txt) +- cd-gpios: gpio for card detection (see mmc.txt) +- wp-gpios: gpio for write protection (see mmc.txt) + +Example: + + mmc0: mmc@5a00 { + compatible = "samsung,s3c2440-sdi"; + pinctrl-names = "default"; + pinctrl-0 = <&sdi_pins>; + reg = <0x5a00 0x10>; + interrupts = <0 0 21 3>; + clocks = <&clocks PCLK_SDI>; + clock-names = "sdi"; + bus-width = <4>; + cd-gpios = <&gpg 8 GPIO_ACTIVE_LOW>; + wp-gpios = <&gph 8 GPIO_ACTIVE_LOW>; + }; -- 1.9.1