1*4882a593Smuzhiyun* Samsung's S3C24XX MMC/SD/SDIO controller device tree bindings 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunSamsung's S3C24XX MMC/SD/SDIO controller is used as a connectivity interface 4*4882a593Smuzhiyunwith external MMC, SD and SDIO storage mediums. 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunThis file documents differences between the core mmc properties described by 7*4882a593Smuzhiyunmmc.txt and the properties used by the Samsung S3C24XX MMC/SD/SDIO controller 8*4882a593Smuzhiyunimplementation. 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunRequired SoC Specific Properties: 11*4882a593Smuzhiyun- compatible: should be one of the following 12*4882a593Smuzhiyun - "samsung,s3c2410-sdi": for controllers compatible with s3c2410 13*4882a593Smuzhiyun - "samsung,s3c2412-sdi": for controllers compatible with s3c2412 14*4882a593Smuzhiyun - "samsung,s3c2440-sdi": for controllers compatible with s3c2440 15*4882a593Smuzhiyun- reg: register location and length 16*4882a593Smuzhiyun- interrupts: mmc controller interrupt 17*4882a593Smuzhiyun- clocks: Should reference the controller clock 18*4882a593Smuzhiyun- clock-names: Should contain "sdi" 19*4882a593Smuzhiyun 20*4882a593SmuzhiyunRequired Board Specific Properties: 21*4882a593Smuzhiyun- pinctrl-0: Should specify pin control groups used for this controller. 22*4882a593Smuzhiyun- pinctrl-names: Should contain only one value - "default". 23*4882a593Smuzhiyun 24*4882a593SmuzhiyunOptional Properties: 25*4882a593Smuzhiyun- bus-width: number of data lines (see mmc.txt) 26*4882a593Smuzhiyun- cd-gpios: gpio for card detection (see mmc.txt) 27*4882a593Smuzhiyun- wp-gpios: gpio for write protection (see mmc.txt) 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunExample: 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun mmc0: mmc@5a000000 { 32*4882a593Smuzhiyun compatible = "samsung,s3c2440-sdi"; 33*4882a593Smuzhiyun pinctrl-names = "default"; 34*4882a593Smuzhiyun pinctrl-0 = <&sdi_pins>; 35*4882a593Smuzhiyun reg = <0x5a000000 0x100000>; 36*4882a593Smuzhiyun interrupts = <0 0 21 3>; 37*4882a593Smuzhiyun clocks = <&clocks PCLK_SDI>; 38*4882a593Smuzhiyun clock-names = "sdi"; 39*4882a593Smuzhiyun bus-width = <4>; 40*4882a593Smuzhiyun cd-gpios = <&gpg 8 GPIO_ACTIVE_LOW>; 41*4882a593Smuzhiyun wp-gpios = <&gph 8 GPIO_ACTIVE_LOW>; 42*4882a593Smuzhiyun }; 43