Thread (16 messages) 16 messages, 4 authors, 2022-01-20

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

From: Kieran Bingham <kieran.bingham@ideasonboard.com>
Date: 2022-01-17 12:00:18
Also in: linux-media, linux-renesas-soc

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>
quoted hunk ↗ jump to hunk
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
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