[PATCH] clk: bcm: rpi: Add disp clock
Ivan T. Ivanov
iivanov at suse.de
Fri May 31 02:27:30 PDT 2024
From: Maxime Ripard <maxime at cerno.tech>
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.
Without this new definition driver fails at probe on BCM2712.
Signed-off-by: Maxime Ripard <maxime at cerno.tech>
Signed-off-by: Ivan T. Ivanov <iivanov at suse.de>
---
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 4d411408e4af..fabd5595e9cd 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)
@@ -124,6 +125,10 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NUM_CLK_ID] = {
[RPI_FIRMWARE_VEC_CLK_ID] = {
.export = 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,
};
--
2.43.0
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