diff options
| author | Prashant Malani <pmalani@chromium.org> | 2022-12-29 18:46:47 +0000 |
|---|---|---|
| committer | Patrick Georgi <patrick@coreboot.org> | 2023-01-11 16:37:38 +0000 |
| commit | 8c3fa461f331485f37279ec9207b21b8b29938bd (patch) | |
| tree | 3a681cb5704846ba481d7166bec8b7cee969b27a | |
| parent | c807d55798f000c8a8eb0141302a66915f10d0a1 (diff) | |
| download | coreboot-8c3fa461f331485f37279ec9207b21b8b29938bd.tar.gz | |
ec/google/chromeec: Add retimer flag for mux device
Not all ports have retimers. Add a property to denote that a particular
port has a retimer (instead of assuming that all ports have retimers).
BUG=b:263964979
TEST=Verified on guybrush; SSDT shows retimer-switch on port1 when
device tree is updated accordingly.
Change-Id: I754323236d2912777b63cede0fce2ccf7882cfea
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71663
Reviewed-by: Robert Zieba <robertzieba@google.com>
Reviewed-by: Caveh Jalali <caveh@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/ec/google/chromeec/mux/conn/chip.h | 6 | ||||
| -rw-r--r-- | src/ec/google/chromeec/mux/conn/conn.c | 9 |
2 files changed, 11 insertions, 4 deletions
diff --git a/src/ec/google/chromeec/mux/conn/chip.h b/src/ec/google/chromeec/mux/conn/chip.h index 953b625ddd..fd0ccf871e 100644 --- a/src/ec/google/chromeec/mux/conn/chip.h +++ b/src/ec/google/chromeec/mux/conn/chip.h @@ -5,9 +5,11 @@ struct ec_google_chromeec_mux_conn_config { /* When set to true, this signifies that the mux device - * is used as a Type-C mode switch in addition to - * a retimer switch. */ + * is used as a Type-C mode switch. */ bool mode_switch; + /* When set to true, this signifies that the mux device + * is used as a Type-C retimer switch. */ + bool retimer_switch; }; #endif /* EC_GOOGLE_CHROMEEC_MUX_CONN_CHIP_H */ diff --git a/src/ec/google/chromeec/mux/conn/conn.c b/src/ec/google/chromeec/mux/conn/conn.c index cb7478ab12..e179c33307 100644 --- a/src/ec/google/chromeec/mux/conn/conn.c +++ b/src/ec/google/chromeec/mux/conn/conn.c @@ -24,9 +24,14 @@ static void conn_fill_ssdt(const struct device *dev) acpigen_write_name_integer("_ADR", dev->path.generic.id); - if (config && config->mode_switch) { + if (config) { struct acpi_dp *dsd = acpi_dp_new_table("_DSD"); - acpi_dp_add_integer(dsd, "mode-switch", 1); + + if (config->mode_switch) + acpi_dp_add_integer(dsd, "mode-switch", 1); + if (config->retimer_switch) + acpi_dp_add_integer(dsd, "retimer-switch", 1); + acpi_dp_write(dsd); } |