From: "Ivan T. Ivanov" <iivanov@suse.de>
To: Stephen Boyd <sboyd@kernel.org>
Cc: Stefan Wahren <stefan.wahren@i2se.com>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
bcm-kernel-feedback-list@broadcom.com, linux-clk@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Guillaume Gardet <Guillaume.Gardet@arm.com>,
Nicolas Saenz Julienne <nsaenz@kernel.org>,
Dom Cobley <popcornmix@gmail.com>,
"Ivan T . Ivanov" <iivanov@suse.de>
Subject: [RESEND v4 3/3] clk: bcm: rpi: Add support for VEC clock
Date: Mon, 29 Aug 2022 18:21:54 +0300 [thread overview]
Message-ID: <20220829152154.147250-4-iivanov@suse.de> (raw)
In-Reply-To: <20220829152154.147250-1-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 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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next prev parent reply other threads:[~2022-08-29 15:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-29 15:21 [RESEND v4 0/3] clk: bcm: rpi: Add support for three more clocks Ivan T. Ivanov
2022-08-29 15:21 ` [RESEND v4 1/3] clk: bcm: rpi: Add support HEVC clock Ivan T. Ivanov
2022-09-30 21:34 ` Stephen Boyd
2022-08-29 15:21 ` [RESEND v4 2/3] clk: bcm: rpi: Handle pixel clock in firmware Ivan T. Ivanov
2022-09-30 21:34 ` Stephen Boyd
2022-08-29 15:21 ` Ivan T. Ivanov [this message]
2022-09-30 21:35 ` [RESEND v4 3/3] clk: bcm: rpi: Add support for VEC clock Stephen Boyd
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