From: "Ivan T. Ivanov" <iivanov@suse.de>
To: Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Nicolas Saenz Julienne <nsaenz@kernel.org>
Cc: Maxime Ripard <maxime@cerno.tech>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Guillaume GARDET <guillaume.gardet@arm.com>,
bcm-kernel-feedback-list@broadcom.com, linux-clk@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Dom Cobley <popcornmix@gmail.com>,
"Ivan T . Ivanov" <iivanov@suse.de>
Subject: [PATCH v4 3/3] clk: bcm: rpi: Add support for VEC clock
Date: Thu, 28 Apr 2022 09:57:43 +0300 [thread overview]
Message-ID: <20220428065743.94967-4-iivanov@suse.de> (raw)
In-Reply-To: <20220428065743.94967-1-iivanov@suse.de>
From: Dom Cobley <popcornmix@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@gmail.com>
[iivanov: Adapted on top of v5.17-rc6]
Signed-off-by: Ivan T. Ivanov <iivanov@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 530820d13104..d1dd01580573 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,
+ },
};
/*
--
2.34.1
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next prev parent reply other threads:[~2022-04-28 7:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-28 6:57 [PATCH v4 0/3] clk: bcm: rpi: Add support for three more clocks Ivan T. Ivanov
2022-04-28 6:57 ` [PATCH v4 1/3] clk: bcm: rpi: Add support HEVC clock Ivan T. Ivanov
2022-04-28 6:57 ` [PATCH v4 2/3] clk: bcm: rpi: Handle pixel clock in firmware Ivan T. Ivanov
2022-04-28 6:57 ` Ivan T. Ivanov [this message]
2022-04-28 8:03 ` [PATCH v4 3/3] clk: bcm: rpi: Add support for VEC clock Maxime Ripard
2022-05-10 13:20 ` [PATCH v4 0/3] clk: bcm: rpi: Add support for three more clocks Guillaume Gardet
2022-05-10 13:30 ` Maxime Ripard
2022-05-11 6:10 ` Stefan Wahren
2022-05-12 7:57 ` Maxime Ripard
[not found] ` <EA46E084-07A4-4BC9-B9FB-A64102F03867@suse.de>
2022-05-12 8:53 ` Maxime Ripard
2022-07-10 11:12 ` Stefan Wahren
2022-07-11 7:02 ` Ivan T. Ivanov
2022-07-11 11:55 ` Stefan Wahren
2022-08-23 22:54 ` Stephen Boyd
2022-05-26 11:36 ` Ivan T. Ivanov
2022-06-21 15:30 ` Florian Fainelli
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