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authorDom Cobley2022-08-29 18:21:54 +0300
committerStephen Boyd2022-09-30 14:31:36 -0700
commit1777cb60f7df80d9b4ca3385eca1d2c0bed61cb6 (patch)
tree64a89c13fbd37779a057aba76d6e6ba1fd70d77c /drivers/clk
parent16baa8c1c1ba00506d367d00856c58f5985f9b2e (diff)
clk: bcm: rpi: Add support for VEC clock
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@gmail.com> [iivanov: Adapted on top of v5.17-rc6] Signed-off-by: Ivan T. Ivanov <iivanov@suse.de> Link: https://lore.kernel.org/r/20220829152154.147250-4-iivanov@suse.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/bcm/clk-raspberrypi.c5
1 files changed, 5 insertions, 0 deletions
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,
+ },
};
/*