* [PATCH v2 0/1] ARM: dts: imx6q-bx50v3: Enable i2c recovery mechanism
@ 2017-08-10 10:42 Jose Alarcon
[not found] ` <cover.1502360101.git.jose.alarcon-JJi787mZWgc@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Jose Alarcon @ 2017-08-10 10:42 UTC (permalink / raw)
To: shawnguo-DgEjT+Ai2ygdnm+yROfE0A, kernel-bIcnvbaLZ9MEGnE8C9+IrQ,
fabio.estevam-3arQi8VN3Tc
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A,
ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg, pawel.moll-5wv7dgnIgG8,
mark.rutland-5wv7dgnIgG8, galak-sgV2jX0FEOL9JmXXK+q4OQ,
romain.perier-ZGY8ohtN/8qB+jHODAdFcQ, nandor.han-JJi787mZWgc,
Jose Alarcon
Enable i2c recovery for GE bx50v3 devices.
Changes since v1:
* Add iomuxc in alphabetical order
* Remove leading zeros in GPIO numbers
Jose Alarcon (1):
ARM: dts: imx6q-bx50v3: Enable i2c recovery mechanism
arch/arm/boot/dts/imx6q-bx50v3.dtsi | 42 +++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
--
2.10.1
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* [PATCH v2 1/1] ARM: dts: imx6q-bx50v3: Enable i2c recovery mechanism
[not found] ` <cover.1502360101.git.jose.alarcon-JJi787mZWgc@public.gmane.org>
@ 2017-08-10 10:42 ` Jose Alarcon
[not found] ` <622b0df0cfc7ed6fe3510ea8a2ef07fb7073bee5.1502360101.git.jose.alarcon-JJi787mZWgc@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Jose Alarcon @ 2017-08-10 10:42 UTC (permalink / raw)
To: shawnguo-DgEjT+Ai2ygdnm+yROfE0A, kernel-bIcnvbaLZ9MEGnE8C9+IrQ,
fabio.estevam-3arQi8VN3Tc
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A,
ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg, pawel.moll-5wv7dgnIgG8,
mark.rutland-5wv7dgnIgG8, galak-sgV2jX0FEOL9JmXXK+q4OQ,
romain.perier-ZGY8ohtN/8qB+jHODAdFcQ, nandor.han-JJi787mZWgc,
Jose Alarcon
This commit enables i2c recovery, supported by the i2c core subsystem.
It defines the required GPIOs for SDA and SLC lines.
Signed-off-by: Jose Alarcon <jose.alarcon-JJi787mZWgc@public.gmane.org>
Signed-off-by: Nandor Han <nandor.han-JJi787mZWgc@public.gmane.org>
Signed-off-by: Romain Perier <romain.perier-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
---
arch/arm/boot/dts/imx6q-bx50v3.dtsi | 42 +++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
index c90b26f..1015e55 100644
--- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
+++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
@@ -111,6 +111,11 @@
};
&i2c1 {
+ pinctrl-names = "default", "gpio";
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ sda-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>;
+
pca9547: mux@70 {
compatible = "nxp,pca9547";
reg = <0x70>;
@@ -261,6 +266,43 @@
};
};
+&i2c2 {
+ pinctrl-names = "default", "gpio";
+ pinctrl-1 = <&pinctrl_i2c2_gpio>;
+ sda-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
+};
+
+&i2c3 {
+ pinctrl-names = "default", "gpio";
+ pinctrl-1 = <&pinctrl_i2c3_gpio>;
+ sda-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
+};
+
+&iomuxc {
+ pinctrl_i2c1_gpio: i2c1gpiogrp {
+ fsl,pins = <
+ MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x1b0b0
+ MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x1b0b0
+ >;
+ };
+
+ pinctrl_i2c2_gpio: i2c2gpiogrp {
+ fsl,pins = <
+ MX6QDL_PAD_KEY_COL3__GPIO4_IO12 0x1b0b0
+ MX6QDL_PAD_KEY_ROW3__GPIO4_IO13 0x1b0b0
+ >;
+ };
+
+ pinctrl_i2c3_gpio: i2c3gpiogrp {
+ fsl,pins = <
+ MX6QDL_PAD_GPIO_3__GPIO1_IO03 0x1b0b0
+ MX6QDL_PAD_GPIO_6__GPIO1_IO06 0x1b0b0
+ >;
+ };
+};
+
&usdhc4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc4>;
--
2.10.1
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* Re: [PATCH v2 1/1] ARM: dts: imx6q-bx50v3: Enable i2c recovery mechanism
[not found] ` <622b0df0cfc7ed6fe3510ea8a2ef07fb7073bee5.1502360101.git.jose.alarcon-JJi787mZWgc@public.gmane.org>
@ 2017-08-14 1:46 ` Shawn Guo
0 siblings, 0 replies; 3+ messages in thread
From: Shawn Guo @ 2017-08-14 1:46 UTC (permalink / raw)
To: Jose Alarcon
Cc: kernel-bIcnvbaLZ9MEGnE8C9+IrQ, fabio.estevam-3arQi8VN3Tc,
devicetree-u79uwXL29TY76Z2rM5mHXA,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A,
ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg, pawel.moll-5wv7dgnIgG8,
mark.rutland-5wv7dgnIgG8, galak-sgV2jX0FEOL9JmXXK+q4OQ,
romain.perier-ZGY8ohtN/8qB+jHODAdFcQ, nandor.han-JJi787mZWgc
On Thu, Aug 10, 2017 at 01:42:29PM +0300, Jose Alarcon wrote:
> This commit enables i2c recovery, supported by the i2c core subsystem.
> It defines the required GPIOs for SDA and SLC lines.
s/SLC/SCL
I fixed it up and applied the patch.
Shawn
> Signed-off-by: Jose Alarcon <jose.alarcon-JJi787mZWgc@public.gmane.org>
> Signed-off-by: Nandor Han <nandor.han-JJi787mZWgc@public.gmane.org>
> Signed-off-by: Romain Perier <romain.perier-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
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2017-08-10 10:42 [PATCH v2 0/1] ARM: dts: imx6q-bx50v3: Enable i2c recovery mechanism Jose Alarcon
[not found] ` <cover.1502360101.git.jose.alarcon-JJi787mZWgc@public.gmane.org>
2017-08-10 10:42 ` [PATCH v2 1/1] " Jose Alarcon
[not found] ` <622b0df0cfc7ed6fe3510ea8a2ef07fb7073bee5.1502360101.git.jose.alarcon-JJi787mZWgc@public.gmane.org>
2017-08-14 1:46 ` Shawn Guo
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