linux-kernel - [PATCH v2 2/4] arm64: boot: dts: msm8996: add blsp1

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Message-ID: <20221023204505.115141-3-hpausten@protonmail.com>
Date:   Sun, 23 Oct 2022 20:45:38 +0000
From:   Harry Austen <hpausten@...tonmail.com>
To:     Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Harry Austen <hpausten@...tonmail.com>,
        Yassine Oudjana <y.oudjana@...tonmail.com>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: [PATCH v2 2/4] arm64: boot: dts: msm8996: add blsp1_i2c6 node

Add support for the sixth I2C interface on the MSM8996 SoC.

Signed-off-by: Harry Austen <hpausten@...tonmail.com>
---
v1 -> v2: use hyphens and add "-state" pinctrl node name suffix

 arch/arm64/boot/dts/qcom/msm8996.dtsi | 31 +++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 39afd8a99488..bb49496a5413 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -1418,6 +1418,20 @@ pwdn {
 				};
 			};

+			blsp1_i2c6_default: blsp1-i2c6-state {
+				pins = "gpio27", "gpio28";
+				function = "blsp_i2c6";
+				drive-strength = <16>;
+				bias-disable;
+			};
+
+			blsp1_i2c6_sleep: blsp1-i2c6-sleep-state {
+				pins = "gpio27", "gpio28";
+				function = "gpio";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+
 			pcie0_state_on: pcie0-state-on {
 				perst {
 					pins = "gpio35";
@@ -3141,6 +3155,23 @@ blsp1_i2c3: i2c@...7000 {
 			status = "disabled";
 		};

+		blsp1_i2c6: i2c@...a000 {
+			compatible = "qcom,i2c-qup-v2.2.1";
+			reg = <0x757a000 0x1000>;
+			interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_BLSP1_QUP6_I2C_APPS_CLK>,
+				 <&gcc GCC_BLSP1_AHB_CLK>;
+			clock-names = "core", "iface";
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&blsp1_i2c6_default>;
+			pinctrl-1 = <&blsp1_i2c6_sleep>;
+			dmas = <&blsp1_dma 22>, <&blsp1_dma 23>;
+			dma-names = "tx", "rx";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		blsp2_dma: dma-controller@...4000 {
 			compatible = "qcom,bam-v1.7.0";
 			reg = <0x07584000 0x2b000>;
--
2.38.1