diff mbox series

[v8,5/7] arm64: dts: renesas: eagle: Enable MAX9286

Message ID 20211216163439.139579-6-jacopo+renesas@jmondi.org (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show
Series arm64: dts: renesas: Enable MAX9286 on Eagle and Condor | expand

Commit Message

Jacopo Mondi Dec. 16, 2021, 4:34 p.m. UTC
From: Kieran Bingham <kieran.bingham@ideasonboard.com>

Enable the MAX9286 GMSL deserializer on the Eagle-V3M board.

Connected cameras should be defined in a device-tree overlay or included
after these definitions.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 .../arm64/boot/dts/renesas/r8a77970-eagle.dts | 104 ++++++++++++++++++
 1 file changed, 104 insertions(+)

Comments

Kieran Bingham Jan. 17, 2022, noon UTC | #1
Quoting Jacopo Mondi (2021-12-16 16:34:37)
> From: Kieran Bingham <kieran.bingham@ideasonboard.com>
> 
> Enable the MAX9286 GMSL deserializer on the Eagle-V3M board.
> 
> Connected cameras should be defined in a device-tree overlay or included
> after these definitions.
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

Aha, this looks like it has changed a little from what I would have
originally created, but I think it's good this way.

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>

> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
> ---
>  .../arm64/boot/dts/renesas/r8a77970-eagle.dts | 104 ++++++++++++++++++
>  1 file changed, 104 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> index b579d3189a93..91b9fab6afbc 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> @@ -6,6 +6,8 @@
>   * Copyright (C) 2017 Cogent Embedded, Inc.
>   */
>  
> +#include <dt-bindings/gpio/gpio.h>
> +
>  /dts-v1/;
>  #include "r8a77970.dtsi"
>  #include <dt-bindings/gpio/gpio.h>
> @@ -200,6 +202,11 @@ i2c0_pins: i2c0 {
>                 function = "i2c0";
>         };
>  
> +       i2c3_pins: i2c3 {
> +               groups = "i2c3_a";
> +               function = "i2c3";
> +       };
> +
>         qspi0_pins: qspi0 {
>                 groups = "qspi0_ctrl", "qspi0_data4";
>                 function = "qspi0";
> @@ -278,6 +285,103 @@ &rwdt {
>         status = "okay";
>  };
>  
> +&csi40 {
> +       status = "okay";
> +
> +       ports {
> +               port@0 {
> +                       csi40_in: endpoint {
> +                               clock-lanes = <0>;
> +                               data-lanes = <1 2 3 4>;
> +                               remote-endpoint = <&max9286_out0>;
> +                       };
> +               };
> +       };
> +};
> +
> +&i2c3 {
> +       pinctrl-0 = <&i2c3_pins>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +       clock-frequency = <400000>;
> +
> +       gmsl0: gmsl-deserializer@48 {
> +               compatible = "maxim,max9286";
> +               reg = <0x48>;
> +
> +               maxim,gpio-poc = <0 GPIO_ACTIVE_LOW>;
> +               enable-gpios = <&io_expander 0 GPIO_ACTIVE_HIGH>;
> +
> +               ports {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       port@0 {
> +                               reg = <0>;
> +                       };
> +
> +                       port@1 {
> +                               reg = <1>;
> +                       };
> +
> +                       port@2 {
> +                               reg = <2>;
> +                       };
> +
> +                       port@3 {
> +                               reg = <3>;
> +                       };
> +
> +                       port@4 {
> +                               reg = <4>;
> +                               max9286_out0: endpoint {
> +                                       clock-lanes = <0>;
> +                                       data-lanes = <1 2 3 4>;
> +                                       remote-endpoint = <&csi40_in>;
> +                               };
> +                       };
> +               };
> +
> +               i2c-mux {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       i2c@0 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <0>;
> +
> +                               status = "disabled";
> +                       };
> +
> +                       i2c@1 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <1>;
> +
> +                               status = "disabled";
> +                       };
> +
> +                       i2c@2 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <2>;
> +
> +                               status = "disabled";
> +                       };
> +
> +                       i2c@3 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <3>;
> +
> +                               status = "disabled";
> +                       };
> +               };
> +       };
> +};
> +
>  &scif0 {
>         pinctrl-0 = <&scif0_pins>;
>         pinctrl-names = "default";
> -- 
> 2.33.1
>
Geert Uytterhoeven Jan. 20, 2022, 9:22 a.m. UTC | #2
Hi Jacopo, Kieran,

On Thu, Dec 16, 2021 at 5:34 PM Jacopo Mondi <jacopo+renesas@jmondi.org> wrote:
> From: Kieran Bingham <kieran.bingham@ideasonboard.com>
>
> Enable the MAX9286 GMSL deserializer on the Eagle-V3M board.
>
> Connected cameras should be defined in a device-tree overlay or included
> after these definitions.
>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>

Thanks for your patch!

> --- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> @@ -6,6 +6,8 @@
>   * Copyright (C) 2017 Cogent Embedded, Inc.
>   */
>
> +#include <dt-bindings/gpio/gpio.h>

Already included below.

> +
>  /dts-v1/;
>  #include "r8a77970.dtsi"
>  #include <dt-bindings/gpio/gpio.h>

> @@ -278,6 +285,103 @@ &rwdt {
>         status = "okay";
>  };
>
> +&csi40 {

Moving up...

> +       status = "okay";
> +
> +       ports {
> +               port@0 {
> +                       csi40_in: endpoint {
> +                               clock-lanes = <0>;
> +                               data-lanes = <1 2 3 4>;
> +                               remote-endpoint = <&max9286_out0>;
> +                       };
> +               };
> +       };
> +};
> +
> +&i2c3 {

Moving up...

> +       pinctrl-0 = <&i2c3_pins>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +       clock-frequency = <400000>;
> +
> +       gmsl0: gmsl-deserializer@48 {
> +               compatible = "maxim,max9286";
> +               reg = <0x48>;
> +
> +               maxim,gpio-poc = <0 GPIO_ACTIVE_LOW>;
> +               enable-gpios = <&io_expander 0 GPIO_ACTIVE_HIGH>;
> +
> +               ports {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       port@0 {
> +                               reg = <0>;
> +                       };
> +
> +                       port@1 {
> +                               reg = <1>;
> +                       };
> +
> +                       port@2 {
> +                               reg = <2>;
> +                       };
> +
> +                       port@3 {
> +                               reg = <3>;
> +                       };
> +
> +                       port@4 {
> +                               reg = <4>;
> +                               max9286_out0: endpoint {
> +                                       clock-lanes = <0>;
> +                                       data-lanes = <1 2 3 4>;
> +                                       remote-endpoint = <&csi40_in>;
> +                               };
> +                       };
> +               };
> +
> +               i2c-mux {

Should we move i2c-mux before ports, too?

> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       i2c@0 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <0>;
> +
> +                               status = "disabled";
> +                       };
> +
> +                       i2c@1 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <1>;
> +
> +                               status = "disabled";
> +                       };
> +
> +                       i2c@2 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <2>;
> +
> +                               status = "disabled";
> +                       };
> +
> +                       i2c@3 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <3>;
> +
> +                               status = "disabled";
> +                       };
> +               };
> +       };
> +};
> +

I can fix all of these while applying.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
index b579d3189a93..91b9fab6afbc 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
@@ -6,6 +6,8 @@ 
  * Copyright (C) 2017 Cogent Embedded, Inc.
  */
 
+#include <dt-bindings/gpio/gpio.h>
+
 /dts-v1/;
 #include "r8a77970.dtsi"
 #include <dt-bindings/gpio/gpio.h>
@@ -200,6 +202,11 @@  i2c0_pins: i2c0 {
 		function = "i2c0";
 	};
 
+	i2c3_pins: i2c3 {
+		groups = "i2c3_a";
+		function = "i2c3";
+	};
+
 	qspi0_pins: qspi0 {
 		groups = "qspi0_ctrl", "qspi0_data4";
 		function = "qspi0";
@@ -278,6 +285,103 @@  &rwdt {
 	status = "okay";
 };
 
+&csi40 {
+	status = "okay";
+
+	ports {
+		port@0 {
+			csi40_in: endpoint {
+				clock-lanes = <0>;
+				data-lanes = <1 2 3 4>;
+				remote-endpoint = <&max9286_out0>;
+			};
+		};
+	};
+};
+
+&i2c3 {
+	pinctrl-0 = <&i2c3_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+	clock-frequency = <400000>;
+
+	gmsl0: gmsl-deserializer@48 {
+		compatible = "maxim,max9286";
+		reg = <0x48>;
+
+		maxim,gpio-poc = <0 GPIO_ACTIVE_LOW>;
+		enable-gpios = <&io_expander 0 GPIO_ACTIVE_HIGH>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+			};
+
+			port@1 {
+				reg = <1>;
+			};
+
+			port@2 {
+				reg = <2>;
+			};
+
+			port@3 {
+				reg = <3>;
+			};
+
+			port@4 {
+				reg = <4>;
+				max9286_out0: endpoint {
+					clock-lanes = <0>;
+					data-lanes = <1 2 3 4>;
+					remote-endpoint = <&csi40_in>;
+				};
+			};
+		};
+
+		i2c-mux {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			i2c@0 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0>;
+
+				status = "disabled";
+			};
+
+			i2c@1 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <1>;
+
+				status = "disabled";
+			};
+
+			i2c@2 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <2>;
+
+				status = "disabled";
+			};
+
+			i2c@3 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <3>;
+
+				status = "disabled";
+			};
+		};
+	};
+};
+
 &scif0 {
 	pinctrl-0 = <&scif0_pins>;
 	pinctrl-names = "default";