From mboxrd@z Thu Jan 1 00:00:00 1970 From: mingming lee Date: Fri, 16 Oct 2020 11:27:14 +0800 Subject: [PATCH v3 4/5] dt-binding: i2c: add bindings for mediatek i2c driver In-Reply-To: <1602818835-19149-1-git-send-email-mingming.lee@mediatek.com> References: <1602818835-19149-1-git-send-email-mingming.lee@mediatek.com> Message-ID: <1602818835-19149-5-git-send-email-mingming.lee@mediatek.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Mingming Lee add bindings for mediatek i2c driver Reviewed-by: Simon Glass Signed-off-by: Mingming Lee --- Changes for v3: - just add Reviewed-by info --- doc/device-tree-bindings/i2c/i2c-mtk.txt | 39 ++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 doc/device-tree-bindings/i2c/i2c-mtk.txt diff --git a/doc/device-tree-bindings/i2c/i2c-mtk.txt b/doc/device-tree-bindings/i2c/i2c-mtk.txt new file mode 100644 index 0000000..10a3f29 --- /dev/null +++ b/doc/device-tree-bindings/i2c/i2c-mtk.txt @@ -0,0 +1,39 @@ +I2C for Mediatek platforms + +Required properties : +- compatible : Must be "mediatek,mt8512-i2c" +- reg: physical base address of the controller and length of memory mapped + region. +- #address-cells = <1>; +- #size-cells = <0>; +- clocks: phandles to input clocks. +- clock-names : Contains the names of the clocks: + "main", the clock used for normal mode I2C. + "dma", the clock used for apdma mode I2C. +- status : enable in requried dts or not. + +Examples : + + i2c0: i2c at 11007000 { + compatible = "mediatek,mt8512-i2c"; + reg = <0x11007000 0x1000>, + <0x11000080 0x80>; + clocks = <&infracfg CLK_INFRA_I2C0_AXI>, + <&infracfg CLK_INFRA_AP_DMA>; + clock-names = "main", "dma"; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c1: i2c at 10019000 { + compatible = "mediatek,mt8512-i2c"; + reg = <0x10019000 0x1000>, + <0x11000100 0x80>; + clocks = <&infracfg CLK_INFRA_I2C1_AXI>, + <&infracfg CLK_INFRA_AP_DMA>; + clock-names = "main", "dma"; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; \ No newline at end of file -- 1.8.1.1.dirty