| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/mmc/amlogic,meson-gx-mmc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Amlogic SD / eMMC controller for S905/GXBB family SoCs |
| 8 | |
| 9 | description: |
| 10 | The MMC 5.1 compliant host controller on Amlogic provides the |
| 11 | interface for SD, eMMC and SDIO devices |
| 12 | |
| 13 | maintainers: |
| 14 | - Neil Armstrong <neil.armstrong@linaro.org> |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: mmc-controller.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | oneOf: |
| 22 | - const: amlogic,meson-axg-mmc |
| 23 | - items: |
| 24 | - const: amlogic,meson-gx-mmc |
| 25 | - const: amlogic,meson-gxbb-mmc |
| 26 | |
| 27 | reg: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | interrupts: |
| 31 | minItems: 1 |
| 32 | items: |
| 33 | - description: mmc controller instance |
| 34 | - description: card detect |
| 35 | |
| 36 | clocks: |
| 37 | maxItems: 3 |
| 38 | |
| 39 | clock-names: |
| 40 | items: |
| 41 | - const: core |
| 42 | - const: clkin0 |
| 43 | - const: clkin1 |
| 44 | |
| 45 | resets: |
| 46 | maxItems: 1 |
| 47 | |
| 48 | amlogic,dram-access-quirk: |
| 49 | type: boolean |
| 50 | description: |
| 51 | set when controller's internal DMA engine cannot access the DRAM memory, |
| 52 | like on the G12A dedicated SDIO controller. |
| 53 | |
| 54 | required: |
| 55 | - compatible |
| 56 | - reg |
| 57 | - interrupts |
| 58 | - clocks |
| 59 | - clock-names |
| 60 | - resets |
| 61 | |
| 62 | unevaluatedProperties: false |
| 63 | |
| 64 | examples: |
| 65 | - | |
| 66 | #include <dt-bindings/interrupt-controller/irq.h> |
| 67 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 68 | mmc@70000 { |
| 69 | compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc"; |
| 70 | reg = <0x70000 0x2000>; |
| 71 | interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>; |
| 72 | clocks = <&clk_mmc>, <&xtal>, <&clk_div>; |
| 73 | clock-names = "core", "clkin0", "clkin1"; |
| 74 | pinctrl-0 = <&emm_pins>; |
| 75 | resets = <&reset_mmc>; |
| 76 | }; |