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From:   Tony Huang <tonyhuang.sunplus@gmail.com>
To:     ulf.hansson@linaro.org, robh+dt@kernel.org, lhjeff911@gmail.com,
        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@sunplus.com,
        Tony Huang <tonyhuang.sunplus@gmail.com>
Subject: [PATCH v4 1/2] dt-binding: mmc: Add mmc yaml file for Sunplus SP7021
Date:   Sat, 19 Mar 2022 09:50:11 +0800
Message-Id: <27dba330ec0c1cd7edbcec53083f78169713a42e.1647652688.git.tonyhuang.sunplus@gmail.com>
In-Reply-To: <cover.1647652688.git.tonyhuang.sunplus@gmail.com>
References: <cover.1647652688.git.tonyhuang.sunplus@gmail.com>
In-Reply-To: <cover.1647652688.git.tonyhuang.sunplus@gmail.com>
References: <cover.1647652688.git.tonyhuang.sunplus@gmail.com>
Precedence: bulk

Add mmc yaml file for Sunplus SP7021

Signed-off-by: Tony Huang <tonyhuang.sunplus@gmail.com>
---
Changes in v4:
 - Addressed comments from Ulf Hansson.

 .../devicetree/bindings/mmc/sunplus,mmc.yaml       | 79 ++++++++++++++++++++++
 MAINTAINERS                                        |  6 ++
 2 files changed, 85 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..13ed07c
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/sunplus,mmc.yaml
@@ -0,0 +1,79 @@
+# 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 <tonyhuang.sunplus@gmail.com>
+  - Li-hao Kuo <lhjeff911@gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - sunplus,mmc-v1
+      - sunplus,mmc-v2
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+
+  resets:
+    maxItems: 1
+
+  max-frequency: true
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - resets
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    mmc0: mmc@9c003b00 {
+        compatible = "sunplus,mmc-v2";
+        reg = <0x9c003b00 0x180>;
+        interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clkc 0x4e>;
+        resets = <&rstc 0x3e>;
+        bus-width = <8>;
+        max-frequency = <52000000>;
+        non-removable;
+        disable-wp;
+        cap-mmc-highspeed;
+        mmc-ddr-3_3v;
+        no-sdio;
+        no-sd;
+    };
+
+    mmc1: mmc@9c003e80 {
+       compatible = "sunplus,mmc-v1";
+       reg = <0x9c003e80 0x280>;
+       interrupts = <21 IRQ_TYPE_LEVEL_HIGH>;
+       clocks = <&clkc 0x4f>;
+       resets = <&rstc 0x3f>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&mmc1_mux &mmc1_mux_cd>;
+       max-frequency = <52000000>;
+       disable-wp;
+       cap-sd-highspeed;
+       no-sdio;
+       no-mmc;
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index fb18ce7..2d91431 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18242,6 +18242,12 @@ L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/dlink/sundance.c
 
+SUNPLUS MMC DRIVER
+M:	Tony Huang <tonyhuang.sunplus@gmail.com>
+M: Li-hao Kuo <lhjeff911@gmail.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