1 * Renesas usdhi6rol0 SD/SDIO host controller 1 * Renesas usdhi6rol0 SD/SDIO host controller
2 2
3 Required properties: 3 Required properties:
4 4
5 - compatible: must be 5 - compatible: must be
6 "renesas,usdhi6rol0" 6 "renesas,usdhi6rol0"
7 - interrupts: 3 interrupts, named "card dete 7 - interrupts: 3 interrupts, named "card detect", "data" and "SDIO" must be
8 specified 8 specified
9 - clocks: a clock binding for the IMCLK 9 - clocks: a clock binding for the IMCLK input
10 10
11 Optional properties: 11 Optional properties:
12 12
13 - vmmc-supply: a phandle of a regulator, supp 13 - vmmc-supply: a phandle of a regulator, supplying Vcc to the card
14 - vqmmc-supply: a phandle of a regulator, supp 14 - vqmmc-supply: a phandle of a regulator, supplying VccQ to the card
15 - pinctrl-names: Can contain a "default" entry 15 - pinctrl-names: Can contain a "default" entry and a "state_uhs"
16 entry. The state_uhs entry is 16 entry. The state_uhs entry is used together with the default
17 entry when the board requires 17 entry when the board requires distinct settings for UHS speeds.
18 18
19 - pinctrl-N: One property for each name listed 19 - pinctrl-N: One property for each name listed in pinctrl-names, see
20 ../pinctrl/pinctrl-bindings.txt. 20 ../pinctrl/pinctrl-bindings.txt.
21 21
22 Additionally any standard mmc bindings from mm 22 Additionally any standard mmc bindings from mmc.txt can be used.
23 23
24 Example: 24 Example:
25 25
26 sd0: sd@ab000000 { 26 sd0: sd@ab000000 {
27 compatible = "renesas,usdhi6rol0"; 27 compatible = "renesas,usdhi6rol0";
28 reg = <0xab000000 0x200>; 28 reg = <0xab000000 0x200>;
29 interrupts = <0 23 0x4 29 interrupts = <0 23 0x4
30 0 24 0x4 30 0 24 0x4
31 0 25 0x4>; 31 0 25 0x4>;
32 interrupt-names = "card detect", "data 32 interrupt-names = "card detect", "data", "SDIO";
33 bus-width = <4>; 33 bus-width = <4>;
34 max-frequency = <50000000>; 34 max-frequency = <50000000>;
35 cap-power-off-card; 35 cap-power-off-card;
36 clocks = <&imclk>; 36 clocks = <&imclk>;
37 vmmc-supply = <&vcc_sd0>; 37 vmmc-supply = <&vcc_sd0>;
38 vqmmc-supply = <&vccq_sd0>; 38 vqmmc-supply = <&vccq_sd0>;
39 }; 39 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.