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Message-Id: <20230818-topic-10v-v1-3-dbb6464223c6@linaro.org>
Date: Fri, 18 Aug 2023 17:23:26 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Kees Cook <keescook@...omium.org>,
Tony Luck <tony.luck@...el.com>,
"Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
linux-hardening@...r.kernel.org,
Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 3/5] arm64: dts: qcom: sm6375: Hook up I2C7 GPIOs
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@...aro.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@...4000 {
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
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