1b1d908e6SNeil Armstrong# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2b1d908e6SNeil Armstrong%YAML 1.2 3b1d908e6SNeil Armstrong--- 4b1d908e6SNeil Armstrong$id: http://devicetree.org/schemas/mmc/amlogic,meson-gx-mmc.yaml# 5b1d908e6SNeil Armstrong$schema: http://devicetree.org/meta-schemas/core.yaml# 6b1d908e6SNeil Armstrong 7b1d908e6SNeil Armstrongtitle: Amlogic SD / eMMC controller for S905/GXBB family SoCs 8b1d908e6SNeil Armstrong 9b1d908e6SNeil Armstrongdescription: 10b1d908e6SNeil Armstrong The MMC 5.1 compliant host controller on Amlogic provides the 11b1d908e6SNeil Armstrong interface for SD, eMMC and SDIO devices 12b1d908e6SNeil Armstrong 13b1d908e6SNeil Armstrongmaintainers: 14b1d908e6SNeil Armstrong - Neil Armstrong <neil.armstrong@linaro.org> 15b1d908e6SNeil Armstrong 16b1d908e6SNeil ArmstrongallOf: 17b1d908e6SNeil Armstrong - $ref: mmc-controller.yaml# 18b1d908e6SNeil Armstrong 19b1d908e6SNeil Armstrongproperties: 20b1d908e6SNeil Armstrong compatible: 21b1d908e6SNeil Armstrong oneOf: 22b1d908e6SNeil Armstrong - const: amlogic,meson-axg-mmc 23b1d908e6SNeil Armstrong - items: 24b1d908e6SNeil Armstrong - const: amlogic,meson-gx-mmc 25b1d908e6SNeil Armstrong - const: amlogic,meson-gxbb-mmc 26b1d908e6SNeil Armstrong 27b1d908e6SNeil Armstrong reg: 28b1d908e6SNeil Armstrong maxItems: 1 29b1d908e6SNeil Armstrong 30b1d908e6SNeil Armstrong interrupts: 31*f0c5b325SHeiner Kallweit minItems: 1 32*f0c5b325SHeiner Kallweit items: 33*f0c5b325SHeiner Kallweit - description: mmc controller instance 34*f0c5b325SHeiner Kallweit - description: card detect 35b1d908e6SNeil Armstrong 36b1d908e6SNeil Armstrong clocks: 37b1d908e6SNeil Armstrong maxItems: 3 38b1d908e6SNeil Armstrong 39b1d908e6SNeil Armstrong clock-names: 40b1d908e6SNeil Armstrong items: 41b1d908e6SNeil Armstrong - const: core 42b1d908e6SNeil Armstrong - const: clkin0 43b1d908e6SNeil Armstrong - const: clkin1 44b1d908e6SNeil Armstrong 45b1d908e6SNeil Armstrong resets: 46b1d908e6SNeil Armstrong maxItems: 1 47b1d908e6SNeil Armstrong 48b1d908e6SNeil Armstrong amlogic,dram-access-quirk: 49b1d908e6SNeil Armstrong type: boolean 50b1d908e6SNeil Armstrong description: 51b1d908e6SNeil Armstrong set when controller's internal DMA engine cannot access the DRAM memory, 52b1d908e6SNeil Armstrong like on the G12A dedicated SDIO controller. 53b1d908e6SNeil Armstrong 54b1d908e6SNeil Armstrongrequired: 55b1d908e6SNeil Armstrong - compatible 56b1d908e6SNeil Armstrong - reg 57b1d908e6SNeil Armstrong - interrupts 58b1d908e6SNeil Armstrong - clocks 59b1d908e6SNeil Armstrong - clock-names 60b1d908e6SNeil Armstrong - resets 61b1d908e6SNeil Armstrong 62b1d908e6SNeil ArmstrongunevaluatedProperties: false 63b1d908e6SNeil Armstrong 64b1d908e6SNeil Armstrongexamples: 65b1d908e6SNeil Armstrong - | 66b1d908e6SNeil Armstrong #include <dt-bindings/interrupt-controller/irq.h> 67b1d908e6SNeil Armstrong #include <dt-bindings/interrupt-controller/arm-gic.h> 68b1d908e6SNeil Armstrong mmc@70000 { 69b1d908e6SNeil Armstrong compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc"; 70b1d908e6SNeil Armstrong reg = <0x70000 0x2000>; 71b1d908e6SNeil Armstrong interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>; 72b1d908e6SNeil Armstrong clocks = <&clk_mmc>, <&xtal>, <&clk_div>; 73b1d908e6SNeil Armstrong clock-names = "core", "clkin0", "clkin1"; 74b1d908e6SNeil Armstrong pinctrl-0 = <&emm_pins>; 75b1d908e6SNeil Armstrong resets = <&reset_mmc>; 76b1d908e6SNeil Armstrong }; 77