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

Add bindings for StarFive JH7110 SDIO

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

diff --git a/Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml b/Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml
new file mode 100644 (file)
index 0000000..8bdf952
--- /dev/null
+++ 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";
+               };

diff --git a/MAINTAINERS b/MAINTAINERS
index 5f733d5..3ef811f 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20852,3 +20852,7 @@ M:      Jianlong Huang <jianlong.huang@starfivetech.com>
 S:     Maintained
 F:     Documentation/devicetree/bindings/pinctrl/starfive,jh7110-pinctrl.yaml
 
+STARFIVE JH7110 SDIO
+M:     William Qiu <william.qiu@starfivetech.com>
+S:     Maintained
+F:     Documentation/devicetree/bindings/mmc/starfive,jh7110-sdio.yaml