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From: Weilong Chen <chenweilong@huawei.com>
To: <chenweilong@huawei.com>, <yangyicong@hisilicon.com>,
	<xuwei5@huawei.com>, <wsa@kernel.org>, <robh+dt@kernel.org>
Cc: <linux-i2c@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<devicetree@vger.kernel.org>
Subject: [PATCH next v4 2/2] dt-bindings: i2c: add entry for hisilicon,hisi-i2c
Date: Fri, 9 Sep 2022 15:48:42 +0800	[thread overview]
Message-ID: <20220909074842.281232-2-chenweilong@huawei.com> (raw)
In-Reply-To: <20220909074842.281232-1-chenweilong@huawei.com>

Add the new compatible for HiSilicon common i2c.

Signed-off-by: Weilong Chen <chenweilong@huawei.com>
---
 .../bindings/i2c/hisilicon,hisi-i2c.yaml      | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml

diff --git a/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml b/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml
new file mode 100644
index 000000000000..f1cb6a4c70d1
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/i2c/hisilicon,hisi-i2c.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: HiSilicon common IIC controller Device Tree Bindings
+
+maintainers:
+  - yangyicong@huawei.com
+
+allOf:
+  - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+  compatible:
+    const: hisilicon,hisi-i2c
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clk_rate:
+    default: 0xEE6B280
+
+  clock-frequency:
+    default: 400000
+
+  i2c-sda-falling-time-ns:
+    default: 343
+
+  i2c-scl-falling-time-ns:
+    default: 203
+
+  i2c-sda-hold-time-ns:
+    default: 0x33E
+
+  i2c-scl-rising-time-ns:
+    default: 365
+
+  i2c-digital-filter-width-ns:
+    default: 0
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c1: i2c@5038B0000{
+      compatible = "hisilicon,hisi-i2c";
+      reg = <0x38B0000 0x10000>;
+      interrupts = <0x0 120 0x4>;
+      i2c-sda-falling-time-ns = <56>;
+      i2c-scl-falling-time-ns = <56>;
+      i2c-sda-hold-time-ns = <56>;
+      i2c-scl-rising-time-ns = <56>;
+      i2c-digital-filter;
+      i2c-digital-filter-width-ns = <0x0>;
+      clk_rate = <0x0 0xEE6B280>;
+      clock-frequency = <400000>;
+    };
-- 
2.31.GIT


  reply	other threads:[~2022-09-09  7:51 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-09  7:48 [PATCH next v4 1/2] i2c: hisi: Add initial device tree support Weilong Chen
2022-09-09  7:48 ` Weilong Chen [this message]
2022-09-13  7:59   ` [PATCH next v4 2/2] dt-bindings: i2c: add entry for hisilicon,hisi-i2c Yicong Yang
2022-09-13  9:08     ` chenweilong
2022-09-13  9:40       ` Yicong Yang
2022-09-13 12:22   ` Rob Herring
2022-09-14  4:13     ` chenweilong
2022-09-26  9:30     ` chenweilong
2022-09-13  7:48 ` [PATCH next v4 1/2] i2c: hisi: Add initial device tree support Yicong Yang
2022-09-13  9:01   ` chenweilong
2022-09-13  9:37     ` Yicong Yang

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