diff options
| author | Binbin Zhou <zhoubinbin@loongson.cn> | 2025-06-24 19:58:10 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-07-03 12:55:59 +0200 |
| commit | fe62ee33fcf9248530b4339a8cf9ec4c6147d3b4 (patch) | |
| tree | bb54b2963df7beab9b83a2bb99d6444d7b0dd906 | |
| parent | 31c2e10cecc48a90da09670893d91ecf6b6a8917 (diff) | |
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: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/r/949c55be120a806ea3d74b47fa2cc96ced2905fc.1750765495.git.zhoubinbin@loongson.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/loongson,ls2k0500-mmc.yaml | 69 | ||||
| -rw-r--r-- | MAINTAINERS | 6 |
2 files changed, 75 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/loongson,ls2k0500-mmc.yaml b/Documentation/devicetree/bindings/mmc/loongson,ls2k0500-mmc.yaml new file mode 100644 index 000000000000..f2f10b2c618c --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/loongson,ls2k0500-mmc.yaml @@ -0,0 +1,69 @@ +# 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>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index c3f7fbd0d67a..bae796405c9a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -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 |