[RESEND v4 3/3] clk: bcm: rpi: Add support for VEC clock

Ivan T. Ivanov iivanov at suse.de
Mon Aug 29 08:21:54 PDT 2022


From: Dom Cobley <popcornmix at gmail.com>

Platform driver clk-bcm2835 gets an inaccurate clock for VEC (107MHz).
Export VEC clock trough clk-raspberrypi which uses the right PLL to
get an accurate 108MHz.

Signed-off-by: Dom Cobley <popcornmix at gmail.com>
[iivanov: Adapted on top of v5.17-rc6]
Signed-off-by: Ivan T. Ivanov <iivanov at suse.de>
---
 drivers/clk/bcm/clk-raspberrypi.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c
index 1248c0d64eae..d70bb9283af7 100644
--- a/drivers/clk/bcm/clk-raspberrypi.c
+++ b/drivers/clk/bcm/clk-raspberrypi.c
@@ -33,6 +33,7 @@ enum rpi_firmware_clk_id {
 	RPI_FIRMWARE_EMMC2_CLK_ID,
 	RPI_FIRMWARE_M2MC_CLK_ID,
 	RPI_FIRMWARE_PIXEL_BVB_CLK_ID,
+	RPI_FIRMWARE_VEC_CLK_ID,
 	RPI_FIRMWARE_NUM_CLK_ID,
 };
 
@@ -51,6 +52,7 @@ static char *rpi_firmware_clk_names[] = {
 	[RPI_FIRMWARE_EMMC2_CLK_ID]	= "emmc2",
 	[RPI_FIRMWARE_M2MC_CLK_ID]	= "m2mc",
 	[RPI_FIRMWARE_PIXEL_BVB_CLK_ID]	= "pixel-bvb",
+	[RPI_FIRMWARE_VEC_CLK_ID]	= "vec",
 };
 
 #define RPI_FIRMWARE_STATE_ENABLE_BIT	BIT(0)
@@ -138,6 +140,9 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NUM_CLK_ID] = {
 	[RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = {
 		.export = true,
 	},
+	[RPI_FIRMWARE_VEC_CLK_ID] = {
+		.export = true,
+	},
 };
 
 /*
-- 
2.35.3




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