^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) * Imagination specific extensions to the Synopsys Designware Mobile Storage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) Host Controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) The Synopsys designware mobile storage host controller is used to interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) differences between the core Synopsys dw mshc controller properties described
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) by synopsys-dw-mshc.txt and the properties used by the Imagination specific
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) extensions to the Synopsys Designware Mobile Storage Host Controller.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) Required Properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * compatible: should be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) - "img,pistachio-dw-mshc": for Pistachio SoCs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) mmc@18142000 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) compatible = "img,pistachio-dw-mshc";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) reg = <0x18142000 0x400>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) interrupts = <GIC_SHARED 39 IRQ_TYPE_LEVEL_HIGH>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) clocks = <&system_clk>, <&sdhost_clk>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) clock-names = "biu", "ciu";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) fifo-depth = <0x20>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) bus-width = <4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) disable-wp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) };