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Subject[PATCH v4 1/2] dt-binding: mmc: Add mmc yaml file for Sunplus SP7021
Date
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
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