From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Doug Anderson <dianders@chromium.org>
Cc: linux-arm-msm@vger.kernel.org
Subject: [PATCH v3 4/4] arm64: dts: qcom: qrb5165-rb5: switch into using GPIO for SPI0 CS
Date: Tue, 9 Feb 2021 23:28:49 +0300 [thread overview]
Message-ID: <20210209202849.1148569-5-dmitry.baryshkov@linaro.org> (raw)
In-Reply-To: <20210209202849.1148569-1-dmitry.baryshkov@linaro.org>
GENI SPI controller shows several issues if it manages the CS on its own
(see 37dd4b777942 ("arm64: dts: qcom: sc7180: Provide pinconf for SPI to
use GPIO for CS")) for the details. Configure SPI0 CS pin as a GPIO.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index 922f329d623a..d329829c61fa 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -815,7 +815,7 @@ &pm8150_rtc {
status = "okay";
};
-&qup_spi0_cs {
+&qup_spi0_cs_gpio {
drive-strength = <6>;
bias-disable;
};
@@ -963,7 +963,8 @@ codec {
&spi0 {
status = "okay";
pinctrl-names = "default";
- pinctrl-0 = <&qup_spi0_data_clk>, <&qup_spi0_cs>;
+ pinctrl-0 = <&qup_spi0_data_clk>, <&qup_spi0_cs_gpio>;
+ cs-gpios = <&tlmm 31 GPIO_ACTIVE_LOW>;
can@0 {
compatible = "microchip,mcp2518fd";
--
2.30.0
next prev parent reply other threads:[~2021-02-09 20:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-09 20:28 [PATCH v3 0/4] arm64: dts: qcom: qrb5165-rb5: use GPIO as SPI0 CS Dmitry Baryshkov
2021-02-09 20:28 ` [PATCH v3 1/4] arm64: dts: qcom: sm8250: split spi pinctrl config Dmitry Baryshkov
2021-02-09 23:57 ` Doug Anderson
2021-02-10 15:34 ` Bjorn Andersson
2021-02-09 20:28 ` [PATCH v3 2/4] arm64: dts: qcom: sm8250: further split of " Dmitry Baryshkov
2021-02-09 23:57 ` Doug Anderson
2021-02-09 20:28 ` [PATCH v3 3/4] arm64: dts: qcom: sm8250: add pinctrl for SPI using GPIO as a CS Dmitry Baryshkov
2021-02-09 23:57 ` Doug Anderson
2021-02-09 20:28 ` Dmitry Baryshkov [this message]
2021-02-09 23:57 ` [PATCH v3 4/4] arm64: dts: qcom: qrb5165-rb5: switch into using GPIO for SPI0 CS Doug Anderson
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