* [PATCH 1/2] arm64: dts: add pinctrl-single property for Stratix10/Agilex
@ 2023-01-23 19:27 Dinh Nguyen
2023-01-23 19:27 ` [PATCH 2/2] arm64: dts: stratix10: add i2c pins for pinctrl Dinh Nguyen
0 siblings, 1 reply; 3+ messages in thread
From: Dinh Nguyen @ 2023-01-23 19:27 UTC (permalink / raw)
To: robh+dt, mark.rutland, krzysztof.kozlowski
Cc: dinguyen, devicetree, linux-arm-kernel
The Stratix10/Agilex has a pin control IP that can make use of the
pinctrl-single driver.
Add the pinctrl-single dts property for the Stratix10/Agilex
platforms.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
---
.../arm64/boot/dts/altera/socfpga_stratix10.dtsi | 16 ++++++++++++++++
arch/arm64/boot/dts/intel/socfpga_agilex.dtsi | 15 +++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index 55c5e1fdddc7..b488e8d185f3 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -353,6 +353,22 @@ pdma: dma-controller@ffda0000 {
reset-names = "dma", "dma-ocp";
};
+ pinctrl0: pinctrl@ffd13000 {
+ compatible = "pinctrl-single";
+ reg = <0xffd13000 0xA0>;
+ #pinctrl-cells = <1>;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0x0000000f>;
+ };
+
+ pinctrl1: pinctrl@ffd13100 {
+ compatible = "pinctrl-single";
+ reg = <0xffd13100 0x20>;
+ #pinctrl-cells = <1>;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0x0000000f>;
+ };
+
rst: rstmgr@ffd11000 {
#reset-cells = <1>;
compatible = "altr,stratix10-rst-mgr";
diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
index 849b46dd8098..f22302a19796 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
@@ -357,6 +357,21 @@ pdma: dma-controller@ffda0000 {
clock-names = "apb_pclk";
};
+ pinctrl0: pinctrl@ffd13000 {
+ compatible = "pinctrl-single";
+ #pinctrl-cells = <1>;
+ reg = <0xffd13000 0xa0>;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0x0000000f>;
+ };
+
+ pinctrl1: pinconf@ffd13100 {
+ compatible = "pinctrl-single";
+ #pinctrl-cells = <1>;
+ reg = <0xffd13100 0x20>;
+ pinctrl-single,register-width = <32>;
+ };
+
rst: rstmgr@ffd11000 {
#reset-cells = <1>;
compatible = "altr,stratix10-rst-mgr";
--
2.25.1
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^ permalink raw reply related [flat|nested] 3+ messages in thread* [PATCH 2/2] arm64: dts: stratix10: add i2c pins for pinctrl
2023-01-23 19:27 [PATCH 1/2] arm64: dts: add pinctrl-single property for Stratix10/Agilex Dinh Nguyen
@ 2023-01-23 19:27 ` Dinh Nguyen
2023-01-23 19:30 ` Krzysztof Kozlowski
0 siblings, 1 reply; 3+ messages in thread
From: Dinh Nguyen @ 2023-01-23 19:27 UTC (permalink / raw)
To: robh+dt, mark.rutland, krzysztof.kozlowski
Cc: dinguyen, devicetree, linux-arm-kernel
Add the I2C pins definition to the Stratix10 devkit. This allows for the
I2C driver to use pinctrl on the pins to allow for GPIO recovery.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
---
.../dts/altera/socfpga_stratix10_socdk.dts | 23 +++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
index 17752ca743e5..beda04b9380b 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
@@ -65,6 +65,22 @@ sdmmca-ecc@ff8c8c00 {
};
};
+&pinctrl0 {
+ i2c1_pmx_func: i2c1_pmx_func {
+ pinctrl-single,pins = <
+ 0x78 0x4 /* I2C1_SDA (IO6-B) PIN30SEL) */
+ 0x7c 0x4 /* I2C1_SCL (IO7-B) PIN31SEL */
+ >;
+ };
+
+ i2c1_pmx_func_gpio: i2c1_pmx_func_gpio {
+ pinctrl-single,pins = <
+ 0x78 0x8 /* I2C1_SDA (IO6-B) PIN30SEL) */
+ 0x7c 0x8 /* I2C1_SCL (IO7-B) PIN31SEL */
+ >;
+ };
+};
+
&gpio1 {
status = "okay";
};
@@ -131,6 +147,13 @@ &i2c1 {
i2c-sda-falling-time-ns = <890>; /* hcnt */
i2c-sdl-falling-time-ns = <890>; /* lcnt */
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&i2c1_pmx_func>;
+ pinctrl-1 = <&i2c1_pmx_func_gpio>;
+
+ scl-gpios = <&portb 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&portb 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+
adc@14 {
compatible = "lltc,ltc2497";
reg = <0x14>;
--
2.25.1
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^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH 2/2] arm64: dts: stratix10: add i2c pins for pinctrl
2023-01-23 19:27 ` [PATCH 2/2] arm64: dts: stratix10: add i2c pins for pinctrl Dinh Nguyen
@ 2023-01-23 19:30 ` Krzysztof Kozlowski
0 siblings, 0 replies; 3+ messages in thread
From: Krzysztof Kozlowski @ 2023-01-23 19:30 UTC (permalink / raw)
To: Dinh Nguyen, robh+dt, mark.rutland; +Cc: devicetree, linux-arm-kernel
On 23/01/2023 20:27, Dinh Nguyen wrote:
> Add the I2C pins definition to the Stratix10 devkit. This allows for the
> I2C driver to use pinctrl on the pins to allow for GPIO recovery.
>
> Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
> ---
> .../dts/altera/socfpga_stratix10_socdk.dts | 23 +++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
> index 17752ca743e5..beda04b9380b 100644
> --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
> +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
> @@ -65,6 +65,22 @@ sdmmca-ecc@ff8c8c00 {
> };
> };
>
> +&pinctrl0 {
> + i2c1_pmx_func: i2c1_pmx_func {
No underscores in node names.
> + pinctrl-single,pins = <
> + 0x78 0x4 /* I2C1_SDA (IO6-B) PIN30SEL) */
> + 0x7c 0x4 /* I2C1_SCL (IO7-B) PIN31SEL */
> + >;
> + };
> +
> + i2c1_pmx_func_gpio: i2c1_pmx_func_gpio {
Same here.
> + pinctrl-single,pins = <
> + 0x78 0x8 /* I2C1_SDA (IO6-B) PIN30SEL) */
> + 0x7c 0x8 /* I2C1_SCL (IO7-B) PIN31SEL */
> + >;
> + };
> +};
> +
> &gpio1 {
Best regards,
Krzysztof
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-01-23 19:27 [PATCH 1/2] arm64: dts: add pinctrl-single property for Stratix10/Agilex Dinh Nguyen
2023-01-23 19:27 ` [PATCH 2/2] arm64: dts: stratix10: add i2c pins for pinctrl Dinh Nguyen
2023-01-23 19:30 ` Krzysztof Kozlowski
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