From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eddie Huang Subject: [PATCH v3 2/2] arm64: dts: mt8173: Add I2C device node Date: Fri, 12 Jun 2015 17:27:09 +0800 Message-ID: <1434101229-32695-3-git-send-email-eddie.huang@mediatek.com> References: <1434101229-32695-1-git-send-email-eddie.huang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1434101229-32695-1-git-send-email-eddie.huang@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Matthias Brugger Cc: Sascha Hauer , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Eddie Huang List-Id: devicetree@vger.kernel.org Add MT8173 I2C device nodes, include I2C controllers and pins. MT8173 has six I2C controllers, from i2c0 to i2c6, exclude i2c5. The 6th I2C controller register base doesn't next to 5th I2C, and there is a hardware between 5th and 6th I2C controller. So SoC designer name 6th controller as "i2c6", not "i2c5". Signed-off-by: Eddie Huang --- arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 50 ++++++++++++++++++++ arch/arm64/boot/dts/mediatek/mt8173.dtsi | 72 +++++++++++++++++++++++++++++ 2 files changed, 122 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts index 43d5401..2e01988 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts @@ -33,6 +33,56 @@ chosen { }; }; +&pio { + i2c0_pins_a: i2c0@0 { + pins1 { + pinmux = , + ; + bias-disable; + }; + }; + + i2c1_pins_a: i2c1@0 { + pins1 { + pinmux = , + ; + bias-disable; + }; + }; + + i2c2_pins_a: i2c2@0 { + pins1 { + pinmux = , + ; + bias-disable; + }; + }; + + i2c3_pins_a: i2c3@0 { + pins1 { + pinmux = , + ; + bias-disable; + }; + }; + + i2c4_pins_a: i2c4@0 { + pins1 { + pinmux = , + ; + bias-disable; + }; + }; + + i2c6_pins_a: i2c6@0 { + pins1 { + pinmux = , + ; + bias-disable; + }; + }; +}; + &uart0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index b52ec43..6d3dbbdd 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -229,6 +229,78 @@ clocks = <&uart_clk>; status = "disabled"; }; + + i2c0: i2c@11007000 { + compatible = "mediatek,mt8173-i2c"; + reg = <0 0x11007000 0 0x70>, + <0 0x11000100 0 0x80>; + interrupts = ; + clock-div = <16>; + clocks = <&pericfg CLK_PERI_I2C0>, + <&pericfg CLK_PERI_AP_DMA>; + clock-names = "main", "dma"; + status = "disabled"; + }; + + i2c1: i2c@11008000 { + compatible = "mediatek,mt8173-i2c"; + reg = <0 0x11008000 0 0x70>, + <0 0x11000180 0 0x80>; + interrupts = ; + clock-div = <16>; + clocks = <&pericfg CLK_PERI_I2C1>, + <&pericfg CLK_PERI_AP_DMA>; + clock-names = "main", "dma"; + status = "disabled"; + }; + + i2c2: i2c@11009000 { + compatible = "mediatek,mt8173-i2c"; + reg = <0 0x11009000 0 0x70>, + <0 0x11000200 0 0x80>; + interrupts = ; + clock-div = <16>; + clocks = <&pericfg CLK_PERI_I2C2>, + <&pericfg CLK_PERI_AP_DMA>; + clock-names = "main", "dma"; + status = "disabled"; + }; + + i2c3: i2c3@11010000 { + compatible = "mediatek,mt8173-i2c"; + reg = <0 0x11010000 0 0x70>, + <0 0x11000280 0 0x80>; + interrupts = ; + clock-div = <16>; + clocks = <&pericfg CLK_PERI_I2C3>, + <&pericfg CLK_PERI_AP_DMA>; + clock-names = "main", "dma"; + status = "disabled"; + }; + + i2c4: i2c4@11011000 { + compatible = "mediatek,mt8173-i2c"; + reg = <0 0x11011000 0 0x70>, + <0 0x11000300 0 0x80>; + interrupts = ; + clock-div = <16>; + clocks = <&pericfg CLK_PERI_I2C4>, + <&pericfg CLK_PERI_AP_DMA>; + clock-names = "main", "dma"; + status = "disabled"; + }; + + i2c6: i2c6@11013000 { + compatible = "mediatek,mt8173-i2c"; + reg = <0 0x11013000 0 0x70>, + <0 0x11000080 0 0x80>; + interrupts = ; + clock-div = <16>; + clocks = <&pericfg CLK_PERI_I2C6>, + <&pericfg CLK_PERI_AP_DMA>; + clock-names = "main", "dma"; + status = "disabled"; + }; }; }; -- 1.8.1.1.dirty