1* Hisilicon specific extensions to the Synopsys Designware Mobile 2 Storage Host Controller 3 4Read synopsys-dw-mshc.txt for more details 5 6The Synopsys designware mobile storage host controller is used to interface 7a SoC with storage medium such as eMMC or SD/MMC cards. This file documents 8differences between the core Synopsys dw mshc controller properties described 9by synopsys-dw-mshc.txt and the properties used by the Hisilicon specific 10extensions to the Synopsys Designware Mobile Storage Host Controller. 11 12Required Properties: 13 14* compatible: should be one of the following. 15 - "hisilicon,hi4511-dw-mshc": for controllers with hi4511 specific extensions. 16 - "hisilicon,hi6220-dw-mshc": for controllers with hi6220 specific extensions. 17 18Optional Properties: 19- hisilicon,peripheral-syscon: phandle of syscon used to control peripheral. 20 21Example: 22 23 /* for Hi3620 */ 24 25 /* SoC portion */ 26 dwmmc_0: dwmmc0@fcd03000 { 27 compatible = "hisilicon,hi4511-dw-mshc"; 28 reg = <0xfcd03000 0x1000>; 29 interrupts = <0 16 4>; 30 #address-cells = <1>; 31 #size-cells = <0>; 32 clocks = <&mmc_clock HI3620_SD_CIUCLK>, <&clock HI3620_DDRC_PER_CLK>; 33 clock-names = "ciu", "biu"; 34 }; 35 36 /* Board portion */ 37 dwmmc0@fcd03000 { 38 num-slots = <1>; 39 vmmc-supply = <&ldo12>; 40 fifo-depth = <0x100>; 41 pinctrl-names = "default"; 42 pinctrl-0 = <&sd_pmx_pins &sd_cfg_func1 &sd_cfg_func2>; 43 bus-width = <4>; 44 disable-wp; 45 cd-gpios = <&gpio10 3 0>; 46 cap-mmc-highspeed; 47 cap-sd-highspeed; 48 }; 49 50 /* for Hi6220 */ 51 52 dwmmc_1: dwmmc1@f723e000 { 53 compatible = "hisilicon,hi6220-dw-mshc"; 54 num-slots = <0x1>; 55 bus-width = <0x4>; 56 disable-wp; 57 cap-sd-highspeed; 58 sd-uhs-sdr12; 59 sd-uhs-sdr25; 60 card-detect-delay = <200>; 61 hisilicon,peripheral-syscon = <&ao_ctrl>; 62 reg = <0x0 0xf723e000 0x0 0x1000>; 63 interrupts = <0x0 0x49 0x4>; 64 clocks = <&clock_sys HI6220_MMC1_CIUCLK>, <&clock_sys HI6220_MMC1_CLK>; 65 clock-names = "ciu", "biu"; 66 cd-gpios = <&gpio1 0 1>; 67 pinctrl-names = "default", "idle"; 68 pinctrl-0 = <&sd_pmx_func &sd_clk_cfg_func &sd_cfg_func>; 69 pinctrl-1 = <&sd_pmx_idle &sd_clk_cfg_idle &sd_cfg_idle>; 70 vqmmc-supply = <&ldo7>; 71 vmmc-supply = <&ldo10>; 72 }; 73