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From: Konrad Dybcio <konradybcio@gmail.com>
To: konradybcio@gmail.com
Cc: lauren.kelly@msn.com, Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org
Subject: [PATCH v2 02/10] arm64: dts: qcom: msm8992: Add BLSP_I2C1 support
Date: Wed, 29 Jul 2020 14:00:48 +0200
Message-ID: <20200729120057.35079-3-konradybcio@gmail.com> (raw)
In-Reply-To: <20200729120057.35079-1-konradybcio@gmail.com>

This will be required to support touchscreen on Lumia
devices.

Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
---
 arch/arm64/boot/dts/qcom/msm8992.dtsi | 35 +++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8992.dtsi b/arch/arm64/boot/dts/qcom/msm8992.dtsi
index 9b42ac42b171..c7dc81311f6a 100644
--- a/arch/arm64/boot/dts/qcom/msm8992.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8992.dtsi
@@ -304,6 +304,27 @@ blsp1_uart2: serial@f991e000 {
 			status = "disabled";
 		};
 
+		/*
+		 * This I2C seems to only be present on WP platforms
+		 * and is likely disabled in firmware
+		 * (hangs at least one device) on android platforms.
+		 */
+		blsp_i2c1: i2c@f9923000 {
+			compatible = "qcom,i2c-qup-v2.2.1";
+			reg = <0xf9923000 0x500>;
+			interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_BLSP1_AHB_CLK>,
+						<&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>;
+			clock-names = "iface", "core";
+			clock-frequency = <400000>;
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&i2c1_default>;
+			pinctrl-1 = <&i2c1_sleep>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		blsp_i2c2: i2c@f9924000 {
 			compatible = "qcom,i2c-qup-v2.2.1";
 			reg = <0xf9924000 0x500>;
@@ -524,6 +545,20 @@ sdc1_rclk_off: rclk-off {
 				bias-pull-down;
 			};
 
+			i2c1_default: i2c1-default {
+				function = "blsp_i2c1";
+				pins = "gpio2", "gpio3";
+				drive-strength = <2>;
+				bias-disable;
+			};
+
+			i2c1_sleep: i2c1-sleep {
+				function = "gpio";
+				pins = "gpio2", "gpio3";
+				drive-strength = <2>;
+				bias-disable;
+			};
+
 			i2c2_default: i2c2-default {
 				function = "blsp_i2c2";
 				pins = "gpio6", "gpio7";
-- 
2.27.0


  parent reply index

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-29 12:00 [PATCH v2 00/10] msm8992/4 updates Konrad Dybcio
2020-07-29 12:00 ` [PATCH v2 01/10] arm64: dts: qcom: msm8992: Add support for SDHCI2 Konrad Dybcio
2020-07-29 12:00 ` Konrad Dybcio [this message]
2020-07-29 12:00 ` [PATCH v2 03/10] arm64: dts: qcom: talkman: Add Synaptics RMI4 touchscreen Konrad Dybcio
2020-07-29 12:00 ` [PATCH v2 04/10] arm64: dts: qcom: msm8994: Add USB support Konrad Dybcio
2020-07-29 12:00 ` [PATCH v2 05/10] arm64: dts: qcom: msm8992: " Konrad Dybcio
2020-07-29 12:00 ` [PATCH v2 06/10] arm64: dts: qcom: kitakami: Add Synaptics touchscreen Konrad Dybcio
2020-07-29 12:00 ` [PATCH v2 07/10] arm64: dts: qcom: msm8994: Add SDHCI2 node Konrad Dybcio
2020-07-29 12:00 ` [PATCH v2 08/10] arm64: dts: qcom: kitakami: Enable SDHCI2 Konrad Dybcio
2020-07-29 12:00 ` [PATCH v2 09/10] clk: qcom: gcc-msm8994: Fix up the driver and modernize it Konrad Dybcio
2020-07-29 12:04   ` Konrad Dybcio
2020-07-29 12:00 ` [PATCH v2 10/10] arm64: dts: qcom: msm8992/4: Add clocks property to gcc node Konrad Dybcio
2020-08-04 10:30 ` [PATCH v2 00/10] msm8992/4 updates Konrad Dybcio
2020-08-14 15:26   ` Konrad Dybcio

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