18c2ecf20Sopenharmony_ciBroadcom BCM2835 SDHOST controller 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciThis file documents differences between the core properties described 48c2ecf20Sopenharmony_ciby mmc.txt and the properties that represent the BCM2835 controller. 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ciRequired properties: 78c2ecf20Sopenharmony_ci- compatible: Should be "brcm,bcm2835-sdhost". 88c2ecf20Sopenharmony_ci- clocks: The clock feeding the SDHOST controller. 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciOptional properties: 118c2ecf20Sopenharmony_ci- dmas: DMA channel for read and write. 128c2ecf20Sopenharmony_ci See Documentation/devicetree/bindings/dma/dma.txt for details 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ciExample: 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_cisdhost: mmc@7e202000 { 178c2ecf20Sopenharmony_ci compatible = "brcm,bcm2835-sdhost"; 188c2ecf20Sopenharmony_ci reg = <0x7e202000 0x100>; 198c2ecf20Sopenharmony_ci interrupts = <2 24>; 208c2ecf20Sopenharmony_ci clocks = <&clocks BCM2835_CLOCK_VPU>; 218c2ecf20Sopenharmony_ci dmas = <&dma 13>; 228c2ecf20Sopenharmony_ci dma-names = "rx-tx"; 238c2ecf20Sopenharmony_ci}; 24