From: Dom Cobley <popcornmix@gmail.com>
Date: Mon, 29 Aug 2022 18:21:54 +0300
Subject: clk: bcm: rpi: Add support for VEC clock
Git-commit: 1777cb60f7df80d9b4ca3385eca1d2c0bed61cb6
Patch-mainline: v6.0 or v6.0-rc8 (next release)
References: bsc#1196632
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>
---
drivers/clk/bcm/clk-raspberrypi.c | 3 +++
1 file changed, 3 insertions(+)
--- 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)
@@ -277,6 +279,7 @@ static int raspberrypi_discover_clocks(s
case RPI_FIRMWARE_M2MC_CLK_ID:
case RPI_FIRMWARE_V3D_CLK_ID:
case RPI_FIRMWARE_PIXEL_BVB_CLK_ID:
+ case RPI_FIRMWARE_VEC_CLK_ID:
hw = raspberrypi_clk_register(rpi, clks->parent,
clks->id);
if (IS_ERR(hw))