Commit fe62ee33 authored by Binbin Zhou's avatar Binbin Zhou Committed by Ulf Hansson
Browse files

dt-bindings: mmc: Add Loongson-2K SD/SDIO/eMMC controller binding



Add the Loongson-2K SoC's SD/SDIO/eMMC controller binding with DT schema
format using json-schema.

Signed-off-by: default avatarBinbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Reviewed-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/r/949c55be120a806ea3d74b47fa2cc96ced2905fc.1750765495.git.zhoubinbin@loongson.cn


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 31c2e10c
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mmc/loongson,ls2k0500-mmc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: The SD/SDIO/eMMC host controller for Loongson-2K family SoCs

description:
  The MMC host controller on the Loongson-2K0500/2K1000 (using an externally
  shared apbdma controller) provides the SD and SDIO device interfaces.

maintainers:
  - Binbin Zhou <zhoubinbin@loongson.cn>

allOf:
  - $ref: mmc-controller.yaml#

properties:
  compatible:
    enum:
      - loongson,ls2k0500-mmc
      - loongson,ls2k1000-mmc

  reg:
    items:
      - description: Loongson-2K MMC controller registers.
      - description: APB DMA config register for Loongson-2K MMC controller.

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  dmas:
    maxItems: 1

  dma-names:
    const: rx-tx

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - dmas
  - dma-names

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/clock/loongson,ls2k-clk.h>

    mmc@1fe2c000 {
        compatible = "loongson,ls2k1000-mmc";
        reg = <0x1fe2c000 0x68>,
              <0x1fe00438 0x8>;
        interrupt-parent = <&liointc0>;
        interrupts = <31 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&clk LOONGSON2_APB_CLK>;
        dmas = <&apbdma1 0>;
        dma-names = "rx-tx";
        bus-width = <4>;
        cd-gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
    };
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@@ -14175,6 +14175,12 @@ S: Maintained
F:	Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml
F:	drivers/soc/loongson/loongson2_guts.c
LOONGSON-2 SOC SERIES MMC/SD/SDIO CONTROLLER DRIVER
M:	Binbin Zhou <zhoubinbin@loongson.cn>
L:	linux-mmc@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/mmc/loongson,ls2k0500-mmc.yaml
LOONGSON-2 SOC SERIES PM DRIVER
M:	Yinbo Zhu <zhuyinbo@loongson.cn>
L:	linux-pm@vger.kernel.org