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From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Kees Cook <keescook@chromium.org>,
	Tony Luck <tony.luck@intel.com>,
	"Guilherme G. Piccoli" <gpiccoli@igalia.com>
Cc: Marijn Suijten <marijn.suijten@somainline.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	linux-hardening@vger.kernel.org,
	Konrad Dybcio <konrad.dybcio@linaro.org>
Subject: [PATCH 3/5] arm64: dts: qcom: sm6375: Hook up I2C7 GPIOs
Date: Fri, 18 Aug 2023 17:23:26 +0200	[thread overview]
Message-ID: <20230818-topic-10v-v1-3-dbb6464223c6@linaro.org> (raw)
In-Reply-To: <20230818-topic-10v-v1-0-dbb6464223c6@linaro.org>

It's required to mux the GPIOs to a correct function to make sure
the I2C host can communicate with the devices on the other end.

Ensure that happens.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/sm6375.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6375.dtsi b/arch/arm64/boot/dts/qcom/sm6375.dtsi
index 4364b144eb93..b79908d969c7 100644
--- a/arch/arm64/boot/dts/qcom/sm6375.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6375.dtsi
@@ -875,6 +875,13 @@ qup_i2c2_default: qup-i2c2-default-state {
 				bias-pull-up;
 			};
 
+			qup_i2c7_default: qup-i2c7-default-state {
+				pins = "gpio27", "gpio28";
+				function = "qup11_f1";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+
 			qup_i2c8_default: qup-i2c8-default-state {
 				pins = "gpio19", "gpio20";
 				/* TLMM, GCC and vendor DT all have different indices.. */
@@ -1220,6 +1227,8 @@ i2c7: i2c@4c84000 {
 				clock-names = "se";
 				clocks = <&gcc GCC_QUPV3_WRAP1_S1_CLK>;
 				interrupts = <GIC_SPI 508 IRQ_TYPE_LEVEL_HIGH>;
+				pinctrl-0 = <&qup_i2c7_default>;
+				pinctrl-names = "default";
 				dmas = <&gpi_dma1 0 1 QCOM_GPI_I2C>,
 				       <&gpi_dma1 1 1 QCOM_GPI_I2C>;
 				dma-names = "tx", "rx";

-- 
2.41.0


  parent reply	other threads:[~2023-08-18 15:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-18 15:23 [PATCH 0/5] Xperia 10 V support Konrad Dybcio
2023-08-18 15:23 ` [PATCH 1/5] dt-bindings: qcom: Add Sony Xperia 10 V Konrad Dybcio
2023-08-19  9:36   ` Krzysztof Kozlowski
2023-08-21 16:08     ` Konrad Dybcio
2023-08-18 15:23 ` [PATCH 2/5] arm64: dts: qcom: sm6375: Fix I2C10 GPIO function Konrad Dybcio
2023-08-18 15:23 ` Konrad Dybcio [this message]
2023-08-18 15:23 ` [PATCH 4/5] arm64: dts: qcom: sm6375-murray: Separate out common parts Konrad Dybcio
2023-08-18 15:23 ` [PATCH 5/5] arm64: dts: qcom: Add Sony Xperia 10 V (PDX235) support Konrad Dybcio
2023-08-23 18:03   ` Marijn Suijten

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