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46 lines
1.4 KiB
Diff
46 lines
1.4 KiB
Diff
From df352192f38540438e44e418bab0a38f0d7859be Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Fri, 24 Feb 2023 14:12:50 +0100
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Subject: [PATCH] clk: bcm: rpi: Add disp clock
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BCM2712 has an extra clock exposed by the firmware called DISP, and used
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by (at least) the HVS. Let's add it to the list of clocks to register in
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Linux.
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/clk/bcm/clk-raspberrypi.c | 5 +++++
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include/soc/bcm2835/raspberrypi-firmware.h | 1 +
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2 files changed, 6 insertions(+)
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--- a/drivers/clk/bcm/clk-raspberrypi.c
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+++ b/drivers/clk/bcm/clk-raspberrypi.c
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@@ -34,6 +34,7 @@ static char *rpi_firmware_clk_names[] =
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[RPI_FIRMWARE_M2MC_CLK_ID] = "m2mc",
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[RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = "pixel-bvb",
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[RPI_FIRMWARE_VEC_CLK_ID] = "vec",
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+ [RPI_FIRMWARE_DISP_CLK_ID] = "disp",
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};
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#define RPI_FIRMWARE_STATE_ENABLE_BIT BIT(0)
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@@ -139,6 +140,10 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NU
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.export = true,
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.minimize = true,
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},
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+ [RPI_FIRMWARE_DISP_CLK_ID] = {
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+ .export = true,
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+ .minimize = true,
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+ },
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};
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/*
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--- a/include/soc/bcm2835/raspberrypi-firmware.h
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+++ b/include/soc/bcm2835/raspberrypi-firmware.h
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@@ -176,6 +176,7 @@ enum rpi_firmware_clk_id {
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RPI_FIRMWARE_M2MC_CLK_ID,
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RPI_FIRMWARE_PIXEL_BVB_CLK_ID,
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RPI_FIRMWARE_VEC_CLK_ID,
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+ RPI_FIRMWARE_DISP_CLK_ID,
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RPI_FIRMWARE_NUM_CLK_ID,
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};
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