diff mbox series

[34/37] clk: bcm: rpi: Add disp clock

Message ID 20241023-drm-vc4-2712-support-v1-34-1cc2d5594907@raspberrypi.com (mailing list archive)
State Under Review
Headers show
Series drm/vc4: Add support for BCM2712 / Pi5 display hardware | expand

Commit Message

Dave Stevenson Oct. 23, 2024, 4:50 p.m. UTC 
From: Maxime Ripard <mripard@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.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
 drivers/clk/bcm/clk-raspberrypi.c          | 5 +++++
 include/soc/bcm2835/raspberrypi-firmware.h | 1 +
 2 files changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c
index 89e2c0241ff6..aff9f3195573 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,
 };