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Subject[PATCH v4 2/2] devicetree: bindings SPI Add bindings doc for Sunplus SP7021
Date
From: "Li-hao Kuo" <lhjeff911@gmail.com>

Add devicetree bindings SPI Add bindings doc for Sunplus SP7021

Signed-off-by: Li-hao Kuo <lhjeff911@gmail.com>
---
Changes in v4:
- Addressed all comments from Mr. Philipp Zabel
- Addressed all comments from Mr. Rob Herring
- Addressed all comments from Mr. Andy Shevchenko

.../bindings/spi/spi-sunplus-sp7021.yaml | 81 ++++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 82 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml

diff --git a/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml b/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml
new file mode 100644
index 0000000..096bfae
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml
@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/spi-sunplus-sp7021.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus sp7021 SPI controller
+
+allOf:
+ - $ref: "spi-controller.yaml"
+
+maintainers:
+ - Li-hao Kuo <lhjeff911@gmail.com>
+
+properties:
+ compatible:
+ enum:
+ - sunplus,sp7021-spi
+
+ reg:
+ items:
+ - the SPI master registers
+ - the SPI slave registers
+
+ reg-names:
+ items:
+ - const: master
+ - const: slave
+
+ interrupt-names:
+ items:
+ - const: dma_w
+ - const: mas_risc
+ - const: slave_risc
+
+ interrupts:
+ minItems: 3
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - interrupt-names
+ - clocks
+ - clocks-names
+ - resets
+ - pinctrl-names
+ - pinctrl-0
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/sp-sp7021.h>
+ #include <dt-bindings/reset/sp-sp7021.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ spi@9C002D80 {
+ compatible = "sunplus,sp7021-spi";
+ reg = <0x9C002D80 0x80>, <0x9C002E00 0x80>;
+ reg-names = "master", "slave";
+ interrupt-parent = <&intc>;
+ interrupt-names = "dma_w",
+ "mas_risc",
+ "slave_risc";
+ interrupts = <144 IRQ_TYPE_LEVEL_HIGH>,
+ <146 IRQ_TYPE_LEVEL_HIGH>,
+ <145 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clkc SPI_COMBO_0>;
+ resets = <&rstc RST_SPI_COMBO_0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_spi0>;
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 91f5707..ee428d8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18237,6 +18237,7 @@ SUNPLUS SPI CONTROLLER INTERFACE DRIVER
M: Li-hao Kuo <lhjeff911@gmail.com>
L: linux-spi@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml
F: drivers/spi/spi-sunplus-sp7021.c

SUPERH
--
2.7.4
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