^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) * Fujitsu SDHCI controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) This file documents differences between the core properties in mmc.txt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) and the properties used by the sdhci_f_sdh30 driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) - compatible: "fujitsu,mb86s70-sdhci-3.0"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) - clocks: Must contain an entry for each entry in clock-names. It is a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) list of phandles and clock-specifier pairs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) See ../clocks/clock-bindings.txt for details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) - clock-names: Should contain the following two entries:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) "iface" - clock used for sdhci interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) "core" - core clock for sdhci controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) Optional properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) - vqmmc-supply: phandle to the regulator device tree node, mentioned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) as the VCCQ/VDD_IO supply in the eMMC/SD specs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) - fujitsu,cmd-dat-delay-select: boolean property indicating that this host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) requires the CMD_DAT_DELAY control to be enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) sdhci1: mmc@36600000 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) compatible = "fujitsu,mb86s70-sdhci-3.0";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) reg = <0 0x36600000 0x1000>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) interrupts = <0 172 0x4>,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) <0 173 0x4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) bus-width = <4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) vqmmc-supply = <&vccq_sdhci1>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) clocks = <&clock 2 2 0>, <&clock 2 3 0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) clock-names = "iface", "core";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) };