| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/mmc/amlogic,meson-gx-mmc.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Amlogic SD / eMMC controller for S905/GXBB family SoCs |
| |
| description: |
| The MMC 5.1 compliant host controller on Amlogic provides the |
| interface for SD, eMMC and SDIO devices |
| |
| maintainers: |
| - Neil Armstrong <neil.armstrong@linaro.org> |
| |
| allOf: |
| - $ref: mmc-controller.yaml# |
| |
| properties: |
| compatible: |
| oneOf: |
| - const: amlogic,meson-axg-mmc |
| - items: |
| - const: amlogic,meson-gx-mmc |
| - const: amlogic,meson-gxbb-mmc |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| minItems: 1 |
| items: |
| - description: mmc controller instance |
| - description: card detect |
| |
| clocks: |
| maxItems: 3 |
| |
| clock-names: |
| items: |
| - const: core |
| - const: clkin0 |
| - const: clkin1 |
| |
| resets: |
| maxItems: 1 |
| |
| amlogic,dram-access-quirk: |
| type: boolean |
| description: |
| set when controller's internal DMA engine cannot access the DRAM memory, |
| like on the G12A dedicated SDIO controller. |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| - clock-names |
| - resets |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/irq.h> |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| mmc@70000 { |
| compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc"; |
| reg = <0x70000 0x2000>; |
| interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>; |
| clocks = <&clk_mmc>, <&xtal>, <&clk_div>; |
| clock-names = "core", "clkin0", "clkin1"; |
| pinctrl-0 = <&emm_pins>; |
| resets = <&reset_mmc>; |
| }; |
