target/linux/bcm27xx/patches-6.1/950-0517-dt-Add-camX_reg_gpio-to-CM4.patch

   1 From 4aa602dc3f534cc5b1afcc587f1be8d713e389e5 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Thu, 15 Dec 2022 16:13:07 +0000
   4 Subject: [PATCH] dt: Add camX_reg_gpio to CM4
   5
   6 To make it easier for custom routing of camera control GPIOs,
   7 add the camX_reg_gpio parameter to CM4 DT as well.
   8
   9 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  10 ---
  11  arch/arm/boot/dts/bcm2711-rpi-cm4.dts |  7 +++++++
  12  arch/arm/boot/dts/overlays/README     | 18 ++++++++++++------
  13  2 files changed, 19 insertions(+), 6 deletions(-)
  14
  15 --- a/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
  16 +++ b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
  17 @@ -574,5 +574,12 @@ cam0_reg: &cam1_reg {
  18                 sd_poll_once = <&emmc2>, "non-removable?";
  19                 spi_dma4 = <&spi0>, "dmas:0=", <&dma40>,
  20                            <&spi0>, "dmas:8=", <&dma40>;
  21 +
  22 +               cam0_reg = <&cam0_reg>,"status";
  23 +               cam0_reg_gpio = <&cam0_reg>,"gpio:4",
  24 +                                 <&cam0_reg>,"gpio:0=", <&gpio>;
  25 +               cam1_reg = <&cam1_reg>,"status";
  26 +               cam1_reg_gpio = <&cam1_reg>,"gpio:4",
  27 +                                 <&cam1_reg>,"gpio:0=", <&gpio>;
  28         };
  29  };
  30 --- a/arch/arm/boot/dts/overlays/README
  31 +++ b/arch/arm/boot/dts/overlays/README
  32 @@ -144,15 +144,21 @@ Params:
  33                                  See /sys/kernel/debug/raspberrypi_axi_monitor
  34                                  for the results.
  35
  36 -        cam0_reg                Enables CAM 0 regulator. CM1 & 3 only.
  37 +        cam0_reg                Enables CAM 0 regulator.
  38 +                                Only required on CM1 & 3.
  39
  40 -        cam0_reg_gpio           Set GPIO for CAM 0 regulator. Default 31.
  41 -                                CM1 & 3 only.
  42 +        cam0_reg_gpio           Set GPIO for CAM 0 regulator.
  43 +                                Default 31 on CM1 & 3.
  44 +                                Default of GPIO expander 5 on CM4, but override
  45 +                                switches to normal GPIO.
  46
  47 -        cam1_reg                Enables CAM 1 regulator. CM1 & 3 only.
  48 +        cam1_reg                Enables CAM 1 regulator.
  49 +                                Only required on CM1 & 3.
  50
  51 -        cam1_reg_gpio           Set GPIO for CAM 1 regulator. Default 3.
  52 -                                CM1 & 3 only.
  53 +        cam1_reg_gpio           Set GPIO for CAM 1 regulator.
  54 +                                Default 3 on CM1 & 3.
  55 +                                Default of GPIO expander 5 on CM4, but override
  56 +                                switches to normal GPIO.
  57
  58          eee                     Enable Energy Efficient Ethernet support for
  59                                  compatible devices (default "on"). See also