target/linux/bcm27xx/patches-6.1/950-0913-clk-bcm-rpi-Add-disp-clock.patch

   1 From c8fd69c6f567bd43ba084b95a987532940465ef5 Mon Sep 17 00:00:00 2001
   2 From: Maxime Ripard <maxime@cerno.tech>
   3 Date: Fri, 24 Feb 2023 14:12:50 +0100
   4 Subject: [PATCH] clk: bcm: rpi: Add disp clock
   5
   6 BCM2712 has an extra clock exposed by the firmware called DISP, and used
   7 by (at least) the HVS. Let's add it to the list of clocks to register in
   8 Linux.
   9
  10 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
  11 ---
  12  drivers/clk/bcm/clk-raspberrypi.c          | 5 +++++
  13  include/soc/bcm2835/raspberrypi-firmware.h | 1 +
  14  2 files changed, 6 insertions(+)
  15
  16 --- a/drivers/clk/bcm/clk-raspberrypi.c
  17 +++ b/drivers/clk/bcm/clk-raspberrypi.c
  18 @@ -34,6 +34,7 @@ static char *rpi_firmware_clk_names[] =
  19         [RPI_FIRMWARE_M2MC_CLK_ID]      = "m2mc",
  20         [RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = "pixel-bvb",
  21         [RPI_FIRMWARE_VEC_CLK_ID]       = "vec",
  22 +       [RPI_FIRMWARE_DISP_CLK_ID]      = "disp",
  23  };
  24
  25  #define RPI_FIRMWARE_STATE_ENABLE_BIT  BIT(0)
  26 @@ -139,6 +140,10 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NU
  27                 .export = true,
  28                 .minimize = true,
  29         },
  30 +       [RPI_FIRMWARE_DISP_CLK_ID] = {
  31 +               .export = true,
  32 +               .minimize = true,
  33 +       },
  34  };
  35
  36  /*
  37 --- a/include/soc/bcm2835/raspberrypi-firmware.h
  38 +++ b/include/soc/bcm2835/raspberrypi-firmware.h
  39 @@ -176,6 +176,7 @@ enum rpi_firmware_clk_id {
  40         RPI_FIRMWARE_M2MC_CLK_ID,
  41         RPI_FIRMWARE_PIXEL_BVB_CLK_ID,
  42         RPI_FIRMWARE_VEC_CLK_ID,
  43 +       RPI_FIRMWARE_DISP_CLK_ID,
  44         RPI_FIRMWARE_NUM_CLK_ID,
  45  };
  46