From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Karthikeyan Ramasubramanian Subject: [PATCH v4 6/6] arm64: dts: sdm845: Add I2C controller support Date: Wed, 14 Mar 2018 17:58:51 -0600 Message-Id: <1521071931-9294-7-git-send-email-kramasub@codeaurora.org> In-Reply-To: <1521071931-9294-1-git-send-email-kramasub@codeaurora.org> References: <1521071931-9294-1-git-send-email-kramasub@codeaurora.org> To: corbet@lwn.net, andy.gross@linaro.org, david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, wsa@the-dreams.de, gregkh@linuxfoundation.org Cc: Karthikeyan Ramasubramanian , linux-doc@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, linux-serial@vger.kernel.org, jslaby@suse.com, evgreen@chromium.org, acourbot@chromium.org, swboyd@chromium.org List-ID: Add I2C master controller support for a built-in test I2C slave. Signed-off-by: Karthikeyan Ramasubramanian --- arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 19 +++++++++++++++++++ arch/arm64/boot/dts/qcom/sdm845.dtsi | 29 +++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts index ea3efc5..69445f1 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts @@ -27,6 +27,10 @@ serial@a84000 { status = "okay"; }; + + i2c@a88000 { + status = "okay"; + }; }; pinctrl@3400000 { @@ -50,5 +54,20 @@ bias-pull-down; }; }; + + qup-i2c10-default { + pinconf { + pins = "gpio55", "gpio56"; + drive-strength = <2>; + bias-disable; + }; + }; + + qup-i2c10-sleep { + pinconf { + pins = "gpio55", "gpio56"; + bias-pull-up; + }; + }; }; }; diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 59334d9..9ef056f 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -209,6 +209,21 @@ pins = "gpio4", "gpio5"; }; }; + + qup_i2c10_default: qup-i2c10-default { + pinmux { + function = "qup10"; + pins = "gpio55", "gpio56"; + }; + }; + + qup_i2c10_sleep: qup-i2c10-sleep { + pinmux { + function = "gpio"; + pins = "gpio55", "gpio56"; + }; + }; + }; timer@17c90000 { @@ -309,6 +324,20 @@ interrupts = ; status = "disabled"; }; + + i2c10: i2c@a88000 { + compatible = "qcom,geni-i2c"; + reg = <0xa88000 0x4000>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP1_S2_CLK>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&qup_i2c10_default>; + pinctrl-1 = <&qup_i2c10_sleep>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; }; }; }; -- Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project