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From c8fd69c6f567bd43ba084b95a987532940465ef5 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Fri, 24 Feb 2023 14:12:50 +0100
Subject: [PATCH] clk: bcm: rpi: Add disp clock
BCM2712 has an extra clock exposed by the firmware called DISP, and used
by (at least) the HVS. Let's add it to the list of clocks to register in
Linux.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/clk/bcm/clk-raspberrypi.c | 5 +++++
include/soc/bcm2835/raspberrypi-firmware.h | 1 +
2 files changed, 6 insertions(+)
--- a/drivers/clk/bcm/clk-raspberrypi.c
+++ b/drivers/clk/bcm/clk-raspberrypi.c
@@ -34,6 +34,7 @@ static char *rpi_firmware_clk_names[] =
[RPI_FIRMWARE_M2MC_CLK_ID] = "m2mc",
[RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = "pixel-bvb",
[RPI_FIRMWARE_VEC_CLK_ID] = "vec",
+ [RPI_FIRMWARE_DISP_CLK_ID] = "disp",
};
#define RPI_FIRMWARE_STATE_ENABLE_BIT BIT(0)
@@ -139,6 +140,10 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NU
.export = true,
.minimize = true,
},
+ [RPI_FIRMWARE_DISP_CLK_ID] = {
+ .export = true,
+ .minimize = true,
+ },
};
/*
--- a/include/soc/bcm2835/raspberrypi-firmware.h
+++ b/include/soc/bcm2835/raspberrypi-firmware.h
@@ -176,6 +176,7 @@ enum rpi_firmware_clk_id {
RPI_FIRMWARE_M2MC_CLK_ID,
RPI_FIRMWARE_PIXEL_BVB_CLK_ID,
RPI_FIRMWARE_VEC_CLK_ID,
+ RPI_FIRMWARE_DISP_CLK_ID,
RPI_FIRMWARE_NUM_CLK_ID,
};
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