diff options
| author | Akshu Agrawal <akshu.agrawal@amd.com> | 2018-04-25 17:53:56 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-05-04 10:04:37 +0000 |
| commit | 5418b9bbfe0573c8996ed46e4e22b2fc5de144a4 (patch) | |
| tree | 771b978dd0b38a6dc57ab0a17c2e93377822611b /src/drivers/i2c | |
| parent | d6dbdb264f947c2cca1b2c067bc5090da04cf2e1 (diff) | |
drivers/i2c/da7219: Add mclk-name property
Non-dts based systems can pass mclk to da7219 driver by
this property.
BUG=b:74570989
TEST=Enabled clock in kernel driver using the property
Change-Id: I2e10769e5b3c6b3aa30f340fe0e88c29b87430cb
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Reviewed-on: https://review.coreboot.org/25919
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/drivers/i2c')
| -rw-r--r-- | src/drivers/i2c/da7219/chip.h | 6 | ||||
| -rw-r--r-- | src/drivers/i2c/da7219/da7219.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/drivers/i2c/da7219/chip.h b/src/drivers/i2c/da7219/chip.h index 572d7279a5..deb1c26b3e 100644 --- a/src/drivers/i2c/da7219/chip.h +++ b/src/drivers/i2c/da7219/chip.h @@ -106,4 +106,10 @@ struct drivers_i2c_da7219_config { * [<1>, <2>, <4>, <8>] */ unsigned adc_1bit_rpt; + + /* + * mclk-name : Pass the system clk to da7219 + * ["name of mclk" ] + */ + const char *mclk_name; }; diff --git a/src/drivers/i2c/da7219/da7219.c b/src/drivers/i2c/da7219/da7219.c index c0f152d237..b8af689312 100644 --- a/src/drivers/i2c/da7219/da7219.c +++ b/src/drivers/i2c/da7219/da7219.c @@ -86,6 +86,8 @@ static void da7219_fill_ssdt(struct device *dev) dsd = acpi_dp_new_table("_DSD"); acpi_dp_add_integer(dsd, "dlg,micbias-lvl", config->micbias_lvl); acpi_dp_add_string(dsd, "dlg,mic-amp-in-sel", config->mic_amp_in_sel); + if (config->mclk_name != NULL) + acpi_dp_add_string(dsd, "dlg,mclk-name", config->mclk_name); acpi_dp_add_child(dsd, "da7219_aad", aad); /* Write Device Property Hierarchy */ |