diff mbox series

[v1,1/4] dt-bindings: mmc: Add Loongson-2K SD/SDIO/eMMC controller binding

Message ID 9c8d0f4b28e8023ecbfe49cc934b6d0c2e0e1fdc.1744273956.git.zhoubinbin@loongson.cn
State New
Headers show
Series LoongArch: Introduce the Loongson-2K MMC host controller driver | expand

Commit Message

Binbin Zhou April 10, 2025, 8:40 a.m. UTC 
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>
---
 .../bindings/mmc/loongson,ls2k-mmc.yaml       | 67 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++
 2 files changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml

Comments

Rob Herring (Arm) April 11, 2025, 5:03 p.m. UTC | #1 
On Thu, 10 Apr 2025 16:40:35 +0800, Binbin Zhou wrote:
> 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>
> ---
>  .../bindings/mmc/loongson,ls2k-mmc.yaml       | 67 +++++++++++++++++++
>  MAINTAINERS                                   |  6 ++
>  2 files changed, 73 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml b/Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml
new file mode 100644
index 000000000000..f3e94f5f3a35
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml
@@ -0,0 +1,67 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/loongson,ls2k-mmc.yaml#
+$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:
+    maxItems: 2
+
+  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 96b827049501..32c3733a764a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13935,6 +13935,12 @@  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:	Supported
+F:	Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml
+
 LOONGSON-2 SOC SERIES PM DRIVER
 M:	Yinbo Zhu <zhuyinbo@loongson.cn>
 L:	linux-pm@vger.kernel.org