From: Paul Cercueil <paul@crapouillou.net> To: Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Cercueil <paul@crapouillou.net>, stable@vger.kernel.org Subject: [PATCH v2 1/2] ARM: dts: exynos/i9100: Fix BCM4330 Bluetooth reset polarity Date: Sun, 31 Oct 2021 23:41:36 +0000 [thread overview] Message-ID: <20211031234137.87070-1-paul@crapouillou.net> (raw) The reset GPIO was marked active-high, which is against what's specified in the documentation. Mark the reset GPIO as active-low. With this change, Bluetooth can now be used on the i9100. Fixes: 8620cc2f99b7 ("ARM: dts: exynos: Add devicetree file for the Galaxy S2") Cc: stable@vger.kernel.org Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- arch/arm/boot/dts/exynos4210-i9100.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts index 55922176807e..5f5d9b135736 100644 --- a/arch/arm/boot/dts/exynos4210-i9100.dts +++ b/arch/arm/boot/dts/exynos4210-i9100.dts @@ -827,7 +827,7 @@ bluetooth { compatible = "brcm,bcm4330-bt"; shutdown-gpios = <&gpl0 4 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpl1 0 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpl1 0 GPIO_ACTIVE_LOW>; device-wakeup-gpios = <&gpx3 1 GPIO_ACTIVE_HIGH>; host-wakeup-gpios = <&gpx2 6 GPIO_ACTIVE_HIGH>; }; -- 2.33.0
WARNING: multiple messages have this Message-ID (diff)
From: Paul Cercueil <paul@crapouillou.net> To: Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Cercueil <paul@crapouillou.net>, stable@vger.kernel.org Subject: [PATCH v2 1/2] ARM: dts: exynos/i9100: Fix BCM4330 Bluetooth reset polarity Date: Sun, 31 Oct 2021 23:41:36 +0000 [thread overview] Message-ID: <20211031234137.87070-1-paul@crapouillou.net> (raw) The reset GPIO was marked active-high, which is against what's specified in the documentation. Mark the reset GPIO as active-low. With this change, Bluetooth can now be used on the i9100. Fixes: 8620cc2f99b7 ("ARM: dts: exynos: Add devicetree file for the Galaxy S2") Cc: stable@vger.kernel.org Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- arch/arm/boot/dts/exynos4210-i9100.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4210-i9100.dts b/arch/arm/boot/dts/exynos4210-i9100.dts index 55922176807e..5f5d9b135736 100644 --- a/arch/arm/boot/dts/exynos4210-i9100.dts +++ b/arch/arm/boot/dts/exynos4210-i9100.dts @@ -827,7 +827,7 @@ bluetooth { compatible = "brcm,bcm4330-bt"; shutdown-gpios = <&gpl0 4 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpl1 0 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpl1 0 GPIO_ACTIVE_LOW>; device-wakeup-gpios = <&gpx3 1 GPIO_ACTIVE_HIGH>; host-wakeup-gpios = <&gpx2 6 GPIO_ACTIVE_HIGH>; }; -- 2.33.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2021-10-31 23:41 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-31 23:41 Paul Cercueil [this message] 2021-10-31 23:41 ` [PATCH v2 1/2] ARM: dts: exynos/i9100: Fix BCM4330 Bluetooth reset polarity Paul Cercueil 2021-10-31 23:41 ` [PATCH v2 2/2] ARM: dts: exynos/i9100: Use interrupt for BCM4330 host wakeup Paul Cercueil 2021-10-31 23:41 ` Paul Cercueil 2021-11-02 7:53 ` [PATCH v2 1/2] ARM: dts: exynos/i9100: Fix BCM4330 Bluetooth reset polarity Krzysztof Kozlowski 2021-11-02 7:53 ` Krzysztof Kozlowski 2021-11-15 13:11 ` Krzysztof Kozlowski 2021-11-15 13:11 ` Krzysztof Kozlowski 2021-11-15 13:31 ` Krzysztof Kozlowski 2021-11-15 13:31 ` Krzysztof Kozlowski
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