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From:   Tony Huang <tonyhuang.sunplus@gmail.com>
To:     ulf.hansson@linaro.org, robh+dt@kernel.org,
        linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, p.zabel@pengutronix.de
Cc:     wells.lu@sunplus.com, Tony Huang <tony.huang@sunplus.com>
Subject: [PATCH 1/2] dt-binding: mmc: Add mmc yaml file for Sunplus SP7021
Date:   Sat,  6 Nov 2021 22:23:17 +0800
Message-Id: <1636208598-18234-2-git-send-email-tony.huang@sunplus.com>
In-Reply-To: <1636208598-18234-1-git-send-email-tony.huang@sunplus.com>
References: <1636208598-18234-1-git-send-email-tony.huang@sunplus.com>
Precedence: bulk

Add mmc yaml file for Sunplus SP7021

Signed-off-by: Tony Huang <tony.huang@sunplus.com>
---
 .../devicetree/bindings/mmc/sunplus-mmc.yaml       | 64 ++++++++++++++++++++++
 MAINTAINERS                                        |  5 ++
 2 files changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mmc/sunplus-mmc.yaml

diff --git a/Documentation/devicetree/bindings/mmc/sunplus-mmc.yaml b/Documentation/devicetree/bindings/mmc/sunplus-mmc.yaml
new file mode 100644
index 0000000..fc5a5f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/sunplus-mmc.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Ltd. Co. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/sunplus-mmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: sunplus MMC controller
+
+allOf:
+  - $ref: "mmc-controller.yaml"
+
+maintainers:
+  - tony.huang <tony.huang@sunplus.com>
+
+properties:
+  compatible:
+    enum:
+      - sunplus,sp7021-emmc
+      - sunplus,i143-emmc
+      - sunplus,q645-emmc
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - resets
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/sp-sp7021.h>
+    #include <dt-bindings/reset/sp-sp7021.h>
+    mmc0: mmc@9c003b00 {
+        compatible = "sunplus,sp7021-emmc";
+        reg = <0x9c003b00 0x180>;
+        interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clkc CARD_CTL0>;
+        resets = <&rstc RST_CARD_CTL0>;
+        bus-width = <8>;
+        max-frequency = <52000000>;
+        non-removable;
+        disable-wp;
+        cap-mmc-highspeed;
+        mmc-ddr-3_3v;
+        no-sdio;
+        no-sd;
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 3b79fd4..179e60a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -17945,6 +17945,11 @@ L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/dlink/sundance.c
 
+SUNPLUS MMC DRIVER
+M:	Tony Huang <tony.huang@sunplus.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/mmc/sunplu-mmc.yaml
+
 SUPERH
 M:	Yoshinori Sato <ysato@users.sourceforge.jp>
 M:	Rich Felker <dalias@libc.org>
-- 
2.7.4