linux-kernel - [PATCH 4/5] dt-bindings: i2c: Add Mediatek MT8183 i2c binding

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Message-ID: <1543843974-4054-5-git-send-email-qii.wang@mediatek.com>
Date:   Mon, 3 Dec 2018 21:32:53 +0800
From:   <qii.wang@...iatek.com>
To:     <wsa@...-dreams.de>
CC:     <linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <leilk.liu@...iatek.com>,
        <qii.wang@...iatek.com>, <ryder.lee@...iatek.com>
Subject: [PATCH 4/5] dt-bindings: i2c: Add Mediatek MT8183 i2c binding

From: qii wang <qii.wang@...iatek.com>

Add MT8183 i2c binding to binding file. Compare to 2712 i2c
controller, MT8183 has different registers, offsets, clock,
and multi-user function.

Signed-off-by: qii wang <qii.wang@...iatek.com>
---
 Documentation/devicetree/bindings/i2c/i2c-mtk.txt |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt b/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
index 7729e57..dfde624 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
@@ -12,14 +12,15 @@ Required properties:
       "mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for MediaTek MT7623
       "mediatek,mt7629-i2c", "mediatek,mt2712-i2c": for MediaTek mt7629
       "mediatek,mt8173-i2c": for MediaTek MT8173
+      "mediatek,mt8183-i2c": for MediaTek MT8183
   - reg: physical base address of the controller and dma base, length of memory
     mapped region.
   - interrupts: interrupt number to the cpu.
   - clock-div: the fixed value for frequency divider of clock source in i2c
     module. Each IC may be different.
   - clocks: clock name from clock manager
-  - clock-names: Must include "main" and "dma", if enable have-pmic need include
-    "pmic" extra.
+  - clock-names: Must include "main" and "dma", "arb" is optional, if enable
+    have-pmic need include "pmic" extra.
 
 Optional properties:
   - clock-frequency: Frequency in Hz of the bus when transfer, the default value
@@ -27,6 +28,8 @@ Optional properties:
   - mediatek,have-pmic: platform can control i2c form special pmic side.
     Only mt6589 and mt8135 support this feature.
   - mediatek,use-push-pull: IO config use push-pull mode.
+  - ch-offset: base reg offset for multi-user.
+  - mediatek,share-i3c: i3c controller can share i2c function.
 
 Example:
 
-- 
1.7.9.5