[PATCH 5/5] clk: bcm: rpi: Add disp clock
Dave Stevenson
dave.stevenson at raspberrypi.com
Thu Jan 16 08:24:12 PST 2025
From: Maxime Ripard <mripard at kernel.org>
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.
Acked-by: Stephen Boyd <sboyd at kernel.org>
Signed-off-by: Maxime Ripard <mripard at kernel.org>
Signed-off-by: Dave Stevenson <dave.stevenson at raspberrypi.com>
---
drivers/clk/bcm/clk-raspberrypi.c | 5 +++++
include/soc/bcm2835/raspberrypi-firmware.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c
index b12d86720207..0e1fe3759530 100644
--- 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_NUM_CLK_ID] = {
.export = true,
.minimize = true,
},
+ [RPI_FIRMWARE_DISP_CLK_ID] = {
+ .export = true,
+ .minimize = true,
+ },
};
/*
diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h
index 73cac8d0287e..e1f87fbfe554 100644
--- a/include/soc/bcm2835/raspberrypi-firmware.h
+++ b/include/soc/bcm2835/raspberrypi-firmware.h
@@ -152,6 +152,7 @@ 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,
};
--
2.34.1
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