From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 4/5] dt-bindings: i2c: Add Mediatek MT8183 i2c binding Date: Mon, 3 Dec 2018 21:32:53 +0800 Message-ID: <1543843974-4054-5-git-send-email-qii.wang@mediatek.com> References: <1543843974-4054-1-git-send-email-qii.wang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1543843974-4054-1-git-send-email-qii.wang@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: wsa@the-dreams.de Cc: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, leilk.liu@mediatek.com, qii.wang@mediatek.com, ryder.lee@mediatek.com List-Id: devicetree@vger.kernel.org From: qii wang 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 --- 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