* [PATCH V3 1/2] arm64: dts: imx8mp-msc-sm2s: correct i2c{1..6} pad drive strength
@ 2024-04-10 10:56 Ian Ray
2024-04-10 10:56 ` [PATCH V3 2/2] arm64: dts: imx8mp-msc-sm2s: Add i2c{1,6} sda-/scl-gpios Ian Ray
2024-04-22 4:47 ` [PATCH V3 1/2] arm64: dts: imx8mp-msc-sm2s: correct i2c{1..6} pad drive strength Shawn Guo
0 siblings, 2 replies; 3+ messages in thread
From: Ian Ray @ 2024-04-10 10:56 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam
Cc: Ian Ray, devicetree, imx, linux-arm-kernel, linux-kernel
Adjust i2c drive strength based on latest Avnet BSP.
Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
---
.../boot/dts/freescale/imx8mp-msc-sm2s.dtsi | 24 +++++++++----------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi
index 61c2a63efc6d..e794f05cf5aa 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi
@@ -602,38 +602,38 @@ pinctrl_flexspi0: flexspi0grp {
pinctrl_i2c1: i2c1grp {
fsl,pins =
- <MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c3>,
- <MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c3>;
+ <MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001e0>,
+ <MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001e0>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins =
- <MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c3>,
- <MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001c3>;
+ <MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001e0>,
+ <MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001e0>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins =
- <MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c3>,
- <MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001c3>;
+ <MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001e0>,
+ <MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001e0>;
};
pinctrl_i2c4: i2c4grp {
fsl,pins =
- <MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001c3>,
- <MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0x400001c3>;
+ <MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001e0>,
+ <MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0x400001e0>;
};
pinctrl_i2c5: i2c5grp {
fsl,pins =
- <MX8MP_IOMUXC_SPDIF_TX__I2C5_SCL 0x400001c3>,
- <MX8MP_IOMUXC_SPDIF_RX__I2C5_SDA 0x400001c3>;
+ <MX8MP_IOMUXC_SPDIF_TX__I2C5_SCL 0x400001e0>,
+ <MX8MP_IOMUXC_SPDIF_RX__I2C5_SDA 0x400001e0>;
};
pinctrl_i2c6: i2c6grp {
fsl,pins =
- <MX8MP_IOMUXC_SAI5_RXFS__I2C6_SCL 0x400001c3>,
- <MX8MP_IOMUXC_SAI5_RXC__I2C6_SDA 0x400001c3>;
+ <MX8MP_IOMUXC_SAI5_RXFS__I2C6_SCL 0x400001e0>,
+ <MX8MP_IOMUXC_SAI5_RXC__I2C6_SDA 0x400001e0>;
};
pinctrl_lcd0_backlight: lcd0-backlightgrp {
--
2.39.2
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^ permalink raw reply related [flat|nested] 3+ messages in thread* [PATCH V3 2/2] arm64: dts: imx8mp-msc-sm2s: Add i2c{1,6} sda-/scl-gpios
2024-04-10 10:56 [PATCH V3 1/2] arm64: dts: imx8mp-msc-sm2s: correct i2c{1..6} pad drive strength Ian Ray
@ 2024-04-10 10:56 ` Ian Ray
2024-04-22 4:47 ` [PATCH V3 1/2] arm64: dts: imx8mp-msc-sm2s: correct i2c{1..6} pad drive strength Shawn Guo
1 sibling, 0 replies; 3+ messages in thread
From: Ian Ray @ 2024-04-10 10:56 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam
Cc: Ian Ray, devicetree, imx, linux-arm-kernel, linux-kernel
Add i2c{1,6} sda-/scl-gpios with the corresponding pinmux entries.
Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
---
.../boot/dts/freescale/imx8mp-msc-sm2s.dtsi | 22 +++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi
index e794f05cf5aa..0fd5c3abcdb7 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-msc-sm2s.dtsi
@@ -200,8 +200,11 @@ ethphy1: ethernet-phy@1 {
};
&i2c1 {
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c1>;
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
clock-frequency = <400000>;
status = "okay";
@@ -241,8 +244,11 @@ &i2c5 {
};
&i2c6 {
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c6>;
+ pinctrl-1 = <&pinctrl_i2c6_gpio>;
+ scl-gpios = <&gpio3 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio3 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
clock-frequency = <400000>;
status = "okay";
@@ -606,6 +612,12 @@ pinctrl_i2c1: i2c1grp {
<MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001e0>;
};
+ pinctrl_i2c1_gpio: i2c1gpiogrp {
+ fsl,pins =
+ <MX8MP_IOMUXC_I2C1_SCL__GPIO5_IO14 0x1e0>,
+ <MX8MP_IOMUXC_I2C1_SDA__GPIO5_IO15 0x1e0>;
+ };
+
pinctrl_i2c2: i2c2grp {
fsl,pins =
<MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001e0>,
@@ -636,6 +648,12 @@ pinctrl_i2c6: i2c6grp {
<MX8MP_IOMUXC_SAI5_RXC__I2C6_SDA 0x400001e0>;
};
+ pinctrl_i2c6_gpio: i2c6gpiogrp {
+ fsl,pins =
+ <MX8MP_IOMUXC_SAI5_RXFS__GPIO3_IO19 0x1e0>,
+ <MX8MP_IOMUXC_SAI5_RXC__GPIO3_IO20 0x1e0>;
+ };
+
pinctrl_lcd0_backlight: lcd0-backlightgrp {
fsl,pins =
<MX8MP_IOMUXC_GPIO1_IO05__GPIO1_IO05 0x41>;
--
2.39.2
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH V3 1/2] arm64: dts: imx8mp-msc-sm2s: correct i2c{1..6} pad drive strength
2024-04-10 10:56 [PATCH V3 1/2] arm64: dts: imx8mp-msc-sm2s: correct i2c{1..6} pad drive strength Ian Ray
2024-04-10 10:56 ` [PATCH V3 2/2] arm64: dts: imx8mp-msc-sm2s: Add i2c{1,6} sda-/scl-gpios Ian Ray
@ 2024-04-22 4:47 ` Shawn Guo
1 sibling, 0 replies; 3+ messages in thread
From: Shawn Guo @ 2024-04-22 4:47 UTC (permalink / raw)
To: Ian Ray
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, devicetree,
imx, linux-arm-kernel, linux-kernel
On Wed, Apr 10, 2024 at 01:56:10PM +0300, Ian Ray wrote:
> Adjust i2c drive strength based on latest Avnet BSP.
>
> Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
Applied both, thanks!
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2024-04-10 10:56 [PATCH V3 1/2] arm64: dts: imx8mp-msc-sm2s: correct i2c{1..6} pad drive strength Ian Ray
2024-04-10 10:56 ` [PATCH V3 2/2] arm64: dts: imx8mp-msc-sm2s: Add i2c{1,6} sda-/scl-gpios Ian Ray
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