* [PATCH 5.4 136/149] ARM: dts: imx6q-dhcom: Fix ethernet reset time properties
[not found] <20210719144901.370365147@linuxfoundation.org>
@ 2021-07-19 14:54 ` Greg Kroah-Hartman
2021-07-19 14:54 ` [PATCH 5.4 137/149] ARM: dts: imx6q-dhcom: Fix ethernet plugin detection problems Greg Kroah-Hartman
2021-07-19 14:54 ` [PATCH 5.4 138/149] ARM: dts: imx6q-dhcom: Add gpios pinctrl for i2c bus recovery Greg Kroah-Hartman
2 siblings, 0 replies; 3+ messages in thread
From: Greg Kroah-Hartman @ 2021-07-19 14:54 UTC (permalink / raw)
To: linux-kernel, linux-arm-kernel
Cc: Greg Kroah-Hartman, stable, Christoph Niedermaier, Shawn Guo,
Fabio Estevam, Marek Vasut, NXP Linux Team, kernel, Sasha Levin
From: Christoph Niedermaier <cniedermaier@dh-electronics.com>
[ Upstream commit c016c26c1631f539c652b5d82242a3ca402545c1 ]
Fix ethernet reset time properties as described in
Documentation/devicetree/bindings/net/ethernet-phy.yaml
Fixes: 52c7a088badd ("ARM: dts: imx6q: Add support for the DHCOM iMX6 SoM and PDK2")
Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: kernel@dh-electronics.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm/boot/dts/imx6q-dhcom-som.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
index 621894d13dcb..d347c8db0ab7 100644
--- a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
@@ -98,8 +98,8 @@
reg = <0>;
max-speed = <100>;
reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
- reset-delay-us = <1000>;
- reset-post-delay-us = <1000>;
+ reset-assert-us = <1000>;
+ reset-deassert-us = <1000>;
};
};
};
--
2.30.2
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^ permalink raw reply related [flat|nested] 3+ messages in thread* [PATCH 5.4 137/149] ARM: dts: imx6q-dhcom: Fix ethernet plugin detection problems
[not found] <20210719144901.370365147@linuxfoundation.org>
2021-07-19 14:54 ` [PATCH 5.4 136/149] ARM: dts: imx6q-dhcom: Fix ethernet reset time properties Greg Kroah-Hartman
@ 2021-07-19 14:54 ` Greg Kroah-Hartman
2021-07-19 14:54 ` [PATCH 5.4 138/149] ARM: dts: imx6q-dhcom: Add gpios pinctrl for i2c bus recovery Greg Kroah-Hartman
2 siblings, 0 replies; 3+ messages in thread
From: Greg Kroah-Hartman @ 2021-07-19 14:54 UTC (permalink / raw)
To: linux-kernel, linux-arm-kernel
Cc: Greg Kroah-Hartman, stable, Christoph Niedermaier, Shawn Guo,
Fabio Estevam, Marek Vasut, NXP Linux Team, kernel, Sasha Levin
From: Christoph Niedermaier <cniedermaier@dh-electronics.com>
[ Upstream commit e2bdd3484890441b9cc2560413a86e8f2aa04157 ]
To make the ethernet cable plugin detection reliable the
power detection of the smsc phy has been disabled.
Fixes: 52c7a088badd ("ARM: dts: imx6q: Add support for the DHCOM iMX6 SoM and PDK2")
Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: kernel@dh-electronics.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm/boot/dts/imx6q-dhcom-som.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
index d347c8db0ab7..0824051a98f8 100644
--- a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
@@ -100,6 +100,7 @@
reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
reset-assert-us = <1000>;
reset-deassert-us = <1000>;
+ smsc,disable-energy-detect; /* Make plugin detection reliable */
};
};
};
--
2.30.2
_______________________________________________
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^ permalink raw reply related [flat|nested] 3+ messages in thread* [PATCH 5.4 138/149] ARM: dts: imx6q-dhcom: Add gpios pinctrl for i2c bus recovery
[not found] <20210719144901.370365147@linuxfoundation.org>
2021-07-19 14:54 ` [PATCH 5.4 136/149] ARM: dts: imx6q-dhcom: Fix ethernet reset time properties Greg Kroah-Hartman
2021-07-19 14:54 ` [PATCH 5.4 137/149] ARM: dts: imx6q-dhcom: Fix ethernet plugin detection problems Greg Kroah-Hartman
@ 2021-07-19 14:54 ` Greg Kroah-Hartman
2 siblings, 0 replies; 3+ messages in thread
From: Greg Kroah-Hartman @ 2021-07-19 14:54 UTC (permalink / raw)
To: linux-kernel, linux-arm-kernel
Cc: Greg Kroah-Hartman, stable, Christoph Niedermaier, Shawn Guo,
Fabio Estevam, Marek Vasut, NXP Linux Team, kernel, Sasha Levin
From: Christoph Niedermaier <cniedermaier@dh-electronics.com>
[ Upstream commit ddc873cd3c0af4faad6a00bffda21c3f775126dd ]
The i2c bus can freeze at the end of transaction so the bus can no longer work.
This scenario is improved by adding scl/sda gpios definitions to implement the
i2c bus recovery mechanism.
Fixes: 52c7a088badd ("ARM: dts: imx6q: Add support for the DHCOM iMX6 SoM and PDK2")
Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: kernel@dh-electronics.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm/boot/dts/imx6q-dhcom-som.dtsi | 36 +++++++++++++++++++++++---
1 file changed, 33 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
index 0824051a98f8..3233927d33b4 100644
--- a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
@@ -107,22 +107,31 @@
&i2c1 {
clock-frequency = <100000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c1>;
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ scl-gpios = <&gpio3 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio3 28 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
};
&i2c2 {
clock-frequency = <100000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>;
+ pinctrl-1 = <&pinctrl_i2c2_gpio>;
+ scl-gpios = <&gpio4 12 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio4 13 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
};
&i2c3 {
clock-frequency = <100000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c3>;
+ pinctrl-1 = <&pinctrl_i2c3_gpio>;
+ scl-gpios = <&gpio1 3 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio1 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
ltc3676: pmic@3c {
@@ -288,6 +297,13 @@
>;
};
+ pinctrl_i2c1_gpio: i2c1-gpio-grp {
+ fsl,pins = <
+ MX6QDL_PAD_EIM_D21__GPIO3_IO21 0x4001b8b1
+ MX6QDL_PAD_EIM_D28__GPIO3_IO28 0x4001b8b1
+ >;
+ };
+
pinctrl_i2c2: i2c2-grp {
fsl,pins = <
MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
@@ -295,6 +311,13 @@
>;
};
+ pinctrl_i2c2_gpio: i2c2-gpio-grp {
+ fsl,pins = <
+ MX6QDL_PAD_KEY_COL3__GPIO4_IO12 0x4001b8b1
+ MX6QDL_PAD_KEY_ROW3__GPIO4_IO13 0x4001b8b1
+ >;
+ };
+
pinctrl_i2c3: i2c3-grp {
fsl,pins = <
MX6QDL_PAD_GPIO_3__I2C3_SCL 0x4001b8b1
@@ -302,6 +325,13 @@
>;
};
+ pinctrl_i2c3_gpio: i2c3-gpio-grp {
+ fsl,pins = <
+ MX6QDL_PAD_GPIO_3__GPIO1_IO03 0x4001b8b1
+ MX6QDL_PAD_GPIO_6__GPIO1_IO06 0x4001b8b1
+ >;
+ };
+
pinctrl_pmic_hw300: pmic-hw300-grp {
fsl,pins = <
MX6QDL_PAD_EIM_A25__GPIO5_IO02 0x1B0B0
--
2.30.2
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^ permalink raw reply related [flat|nested] 3+ messages in thread