dt-bindings:SDIO:Add bindings for StarFive JH7110 SDIO

Add bindings for StarFive JH7110 SDIO

Signed-off-by: William Qiu <william.qiu@starfivetech.com>

1 files changed, 77 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml b/Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml
new file mode 100644
index 000000000000..8bdf95202965
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+++ b/Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/starfive,jh7110-sdio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 SDIO Device Tree Bindings
+
+description: |
+  Bindings for the JH7110 RISC-V SoC from StarFive Ltd.
+
+maintainers:
+  - William Qiu <william,qiu@starfivetech.com>
+
+properties:
+  compatible:
+    const: starfive,jh7110-sdio
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    items:
+	-description: biu clock
+	-description: ciu clock
+
+  clock-names:
+    minItems: 1
+    items:
+	-const: biu
+	-const: ciu
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    maxItems: 1
+	-const: reset
+
+  interrupts:
+    maxItems: 1
+
+  fifo-depth:
+    maxItems: 1
+
+  data-addr:
+    maxItem: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - interrupts
+  - fifo-depth
+  - data-addr
+
+examples:
+  - |
+    sdio0: sdio0@16010000 {
+			compatible = "starfive,jh7110-sdio";
+			reg = <0x0 0x16010000 0x0 0x10000>;
+			clocks = <&clkgen JH7110_SDIO0_CLK_AHB>,
+				 <&clkgen JH7110_SDIO0_CLK_SDCARD>;
+			clock-names = "biu","ciu";
+			resets = <&rstgen RSTN_U0_DW_SDIO_AHB>;
+			reset-names = "reset";
+			interrupts = <74>;
+			fifo-depth = <32>;
+			fifo-watermark-aligned;
+			data-addr = <0>;
+			starfive,sys-syscon = <&sys_syscon 0x14 0x1a 0x7c000000>;
+			status = "disabled";
+		};