[PATCH] ARM: dts: imx6: Fix PCI GPIO reset polarity
From: festevam@gmail.com (Fabio Estevam)
Date: 2017-06-05 16:22:20
From: Fabio Estevam <redacted> The imx6 PCI driver ignores the GPIO polarity from 'reset-gpio' and considers that the PCI reset is active low, unless the property 'reset-gpio-active-high' is present. Fix the device tree description by explicitly passing the 'GPIO_ACTIVE_LOW' flag to the 'reset-gpio' property. Signed-off-by: Fabio Estevam <redacted> --- arch/arm/boot/dts/imx6q-ba16.dtsi | 2 +- arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts | 2 +- arch/arm/boot/dts/imx6q-novena.dts | 2 +- arch/arm/boot/dts/imx6qdl-apf6dev.dtsi | 2 +- arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi | 2 +- arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi | 2 +- arch/arm/boot/dts/imx6sx-nitrogen6sx.dts | 2 +- 7 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/arch/arm/boot/dts/imx6q-ba16.dtsi b/arch/arm/boot/dts/imx6q-ba16.dtsi
index 14fa6b2..5fcb037 100644
--- a/arch/arm/boot/dts/imx6q-ba16.dtsi
+++ b/arch/arm/boot/dts/imx6q-ba16.dtsi@@ -321,7 +321,7 @@ &pcie { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie>; - reset-gpio = <&gpio7 12 GPIO_ACTIVE_HIGH>; + reset-gpio = <&gpio7 12 GPIO_ACTIVE_LOW>; fsl,tx-swing-full = <103>; fsl,tx-swing-low = <103>; status = "okay";
diff --git a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
index 0c5b2c3..33eb7f1 100644
--- a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
+++ b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts@@ -435,7 +435,7 @@ &pcie { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie>; - reset-gpio = <&gpio4 8 0>; + reset-gpio = <&gpio4 8 GPIO_ACTIVE_LOW>; status = "okay"; };
diff --git a/arch/arm/boot/dts/imx6q-novena.dts b/arch/arm/boot/dts/imx6q-novena.dts
index c21db67..d83cfb6 100644
--- a/arch/arm/boot/dts/imx6q-novena.dts
+++ b/arch/arm/boot/dts/imx6q-novena.dts@@ -446,7 +446,7 @@ &pcie { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie_novena>; - reset-gpio = <&gpio3 29 GPIO_ACTIVE_HIGH>; + reset-gpio = <&gpio3 29 GPIO_ACTIVE_LOW>; status = "okay"; };
diff --git a/arch/arm/boot/dts/imx6qdl-apf6dev.dtsi b/arch/arm/boot/dts/imx6qdl-apf6dev.dtsi
index 550e100..9cd2a74 100644
--- a/arch/arm/boot/dts/imx6qdl-apf6dev.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apf6dev.dtsi@@ -232,7 +232,7 @@ &pcie { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie>; - reset-gpio = <&gpio6 2 GPIO_ACTIVE_HIGH>; + reset-gpio = <&gpio6 2 GPIO_ACTIVE_LOW>; status = "okay"; };
diff --git a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi
index ed6a89f..1b18728 100644
--- a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi@@ -335,7 +335,7 @@ }; &pcie { - reset-gpio = <&gpio2 16 GPIO_ACTIVE_HIGH>; + reset-gpio = <&gpio2 16 GPIO_ACTIVE_LOW>; status = "okay"; };
diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
index 6e5cb6a..d81b007 100644
--- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi@@ -374,7 +374,7 @@ &pcie { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie>; - reset-gpio = <&gpio4 17 0>; + reset-gpio = <&gpio4 17 GPIO_ACTIVE_LOW>; status = "disabled"; };
diff --git a/arch/arm/boot/dts/imx6sx-nitrogen6sx.dts b/arch/arm/boot/dts/imx6sx-nitrogen6sx.dts
index ac1989e..c5578d1 100644
--- a/arch/arm/boot/dts/imx6sx-nitrogen6sx.dts
+++ b/arch/arm/boot/dts/imx6sx-nitrogen6sx.dts@@ -296,7 +296,7 @@ &pcie { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie>; - reset-gpio = <&gpio4 10 GPIO_ACTIVE_HIGH>; + reset-gpio = <&gpio4 10 GPIO_ACTIVE_LOW>; status = "okay"; };
--
2.7.4