All of lore.kernel.org
 help / color / mirror / Atom feed
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 2/9] arm64: dts: qcom: msm8992: Add BLSP_I2C1 support
Date: Tue, 28 Jul 2020 14:00:41 +0200	[thread overview]
Message-ID: <20200728120049.90632-3-konradybcio@gmail.com> (raw)
In-Reply-To: <20200728120049.90632-1-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	other threads:[~2020-07-28 12:01 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-28 12:00 [PATCH 0/9] msm8992/4 updates Konrad Dybcio
2020-07-28 12:00 ` [PATCH 1/9] arm64: dts: qcom: msm8992: Add support for SDHCI2 Konrad Dybcio
2020-07-28 12:00 ` Konrad Dybcio [this message]
2020-07-28 12:00 ` [PATCH 3/9] arm64: dts: qcom: talkman: Add Synaptics RMI4 touchscreen Konrad Dybcio
2020-07-28 12:00 ` [PATCH 4/9] arm64: dts: qcom: msm8994: Add USB support Konrad Dybcio
2020-07-28 12:00 ` [PATCH 5/9] arm64: dts: qcom: msm8992: " Konrad Dybcio
2020-07-28 12:00 ` [PATCH 6/9] clk: qcom: gcc-msm8994: Add missing clocks, resets and GDSCs Konrad Dybcio
2020-07-29  1:23   ` Stephen Boyd
2020-07-28 12:00 ` [PATCH 7/9] arm64: dts: qcom: kitakami: Add Synaptics touchscreen Konrad Dybcio
2020-07-28 12:00 ` [PATCH 8/9] arm64: dts: qcom: msm8994: Add SDHCI2 node Konrad Dybcio
2020-07-28 12:00 ` [PATCH 9/9] arm64: dts: qcom: kitakami: Enable SDHCI2 Konrad Dybcio

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200728120049.90632-3-konradybcio@gmail.com \
    --to=konradybcio@gmail.com \
    --cc=agross@kernel.org \
    --cc=bjorn.andersson@linaro.org \
    --cc=devicetree@vger.kernel.org \
    --cc=lauren.kelly@msn.com \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-clk@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mturquette@baylibre.com \
    --cc=robh+dt@kernel.org \
    --cc=sboyd@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.