linux-kernel - [PATCH v3 1/2] dt-bindings: mmc: nuvoton,ma35d1-sdhci: Document MA35D1 SDHCI controller

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Message-Id: <20240701003913.729428-2-shanchun1218@gmail.com>
Date: Mon,  1 Jul 2024 08:39:12 +0800
From: Shan-Chun Hung <shanchun1218@...il.com>
To: ulf.hansson@...aro.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	adrian.hunter@...el.com,
	p.zabel@...gutronix.de,
	pbrobinson@...il.com,
	serghox@...il.com,
	mcgrof@...nel.org,
	prabhakar.mahadev-lad.rj@...renesas.com,
	forbidden405@...look.com,
	tmaimon77@...il.com,
	andy.shevchenko@...il.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: ychuang3@...oton.com,
	schung@...oton.com,
	Shan-Chun Hung <shanchun1218@...il.com>
Subject: [PATCH v3 1/2] dt-bindings: mmc: nuvoton,ma35d1-sdhci: Document MA35D1 SDHCI controller

Add binding for Nuvoton MA35D1 SDHCI controller.

Signed-off-by: Shan-Chun Hung <shanchun1218@...il.com>
---
 .../bindings/mmc/nuvoton,ma35d1-sdhci.yaml    | 88 +++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mmc/nuvoton,ma35d1-sdhci.yaml

diff --git a/Documentation/devicetree/bindings/mmc/nuvoton,ma35d1-sdhci.yaml b/Documentation/devicetree/bindings/mmc/nuvoton,ma35d1-sdhci.yaml
new file mode 100644
index 000000000000..cf08cdcb58ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/nuvoton,ma35d1-sdhci.yaml
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/nuvoton,ma35d1-sdhci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton MA35D1 SD/SDIO/MMC Controller
+
+maintainers:
+  - Shan-Chun Hung <shanchun1218@...il.com>
+
+allOf:
+  - $ref: sdhci-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,ma35d1-sdhci
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  pinctrl-names:
+    minItems: 1
+    items:
+      - const: default
+      - const: state_uhs
+
+  pinctrl-0:
+    description:
+      Should contain default/high speed pin ctrl.
+    maxItems: 1
+
+  pinctrl-1:
+    description:
+      Should contain uhs mode pin ctrl.
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  nuvoton,sys:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle to access GCR (Global Control Register) registers.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - pinctrl-names
+  - pinctrl-0
+  - resets
+  - nuvoton,sys
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
+    #include <dt-bindings/reset/nuvoton,ma35d1-reset.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        mmc@...90000 {
+            compatible = "nuvoton,ma35d1-sdhci";
+            reg = <0x0 0x40190000 0x0 0x2000>;
+            interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+            clocks = <&clk SDH1_GATE>;
+            pinctrl-names = "default", "state_uhs";
+            pinctrl-0 = <&pinctrl_sdhci1>;
+            pinctrl-1 = <&pinctrl_sdhci1_uhs>;
+            resets = <&sys MA35D1_RESET_SDH1>;
+            nuvoton,sys = <&sys>;
+            vqmmc-supply = <&sdhci1_vqmmc_regulator>;
+            bus-width = <8>;
+            max-frequency = <200000000>;
+            status = "disabled";
+        };
+    };
--
2.25.1