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

qii.wang
2018-12-03T13:32:53Z

From: qii wang <qii.wang@mediatek.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@mediatek.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