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media: i2c: imx477: Add further link frequency options

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https://github.com/raspberrypi/linux/issues/6004 reports further
issues with GPS interference.

Untested, but adds further link frequency options.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
This commit is contained in:
Dave Stevenson
2025-01-20 10:40:09 +00:00
committed by naushir
parent 08d4e8f522
commit 0553897d77
1 changed files with 33 additions and 0 deletions
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33
drivers/media/i2c/imx477.c
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@@ -169,12 +169,18 @@ enum {
IMX477_LINK_FREQ_450MHZ,
IMX477_LINK_FREQ_453MHZ,
IMX477_LINK_FREQ_456MHZ,
IMX477_LINK_FREQ_459MHZ,
IMX477_LINK_FREQ_462MHZ,
IMX477_LINK_FREQ_498MHZ,
};
static const s64 link_freqs[] = {
[IMX477_LINK_FREQ_450MHZ] = 450000000,
[IMX477_LINK_FREQ_453MHZ] = 453000000,
[IMX477_LINK_FREQ_456MHZ] = 456000000,
[IMX477_LINK_FREQ_459MHZ] = 459000000,
[IMX477_LINK_FREQ_462MHZ] = 462000000,
[IMX477_LINK_FREQ_498MHZ] = 498000000,
};
/* 450MHz is the nominal "default" link frequency */
@@ -193,6 +199,21 @@ static const struct imx477_reg link_456Mhz_regs[] = {
{0x030F, 0x98},
};
static const struct imx477_reg link_459Mhz_regs[] = {
{0x030E, 0x00},
{0x030F, 0x99},
};
static const struct imx477_reg link_462Mhz_regs[] = {
{0x030E, 0x00},
{0x030F, 0x9a},
};
static const struct imx477_reg link_498Mhz_regs[] = {
{0x030E, 0x00},
{0x030F, 0xa6},
};
static const struct imx477_reg_list link_freq_regs[] = {
[IMX477_LINK_FREQ_450MHZ] = {
.regs = link_450Mhz_regs,
@@ -206,6 +227,18 @@ static const struct imx477_reg_list link_freq_regs[] = {
.regs = link_456Mhz_regs,
.num_of_regs = ARRAY_SIZE(link_456Mhz_regs)
},
[IMX477_LINK_FREQ_459MHZ] = {
.regs = link_459Mhz_regs,
.num_of_regs = ARRAY_SIZE(link_459Mhz_regs)
},
[IMX477_LINK_FREQ_462MHZ] = {
.regs = link_462Mhz_regs,
.num_of_regs = ARRAY_SIZE(link_462Mhz_regs)
},
[IMX477_LINK_FREQ_498MHZ] = {
.regs = link_498Mhz_regs,
.num_of_regs = ARRAY_SIZE(link_498Mhz_regs)
},
};
static const struct imx477_reg mode_common_regs[] = {