MT8195 System Companion Processors(SCP) is a dual-core RISC-V MCU.
Add a new cros feature id to represent the SCP 2nd core.
The 1st core is referred to as 'core 0', and the 2nd core is referred
to as 'core 1'.
Signed-off-by: Tinghan Shen <tinghan.shen@xxxxxxxxxxxx>
---
drivers/mfd/cros_ec_dev.c | 5 +++++
include/linux/platform_data/cros_ec_commands.h | 2 ++
include/linux/platform_data/cros_ec_proto.h | 1 +
3 files changed, 8 insertions(+)
diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index 596731caf407..07cc31d92edc 100644
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -64,6 +64,11 @@ static const struct cros_feature_to_name cros_mcu_devices[] = {
.name = CROS_EC_DEV_SCP_NAME,
.desc = "System Control Processor",
},
+ {
+ .id = EC_FEATURE_SCP_C1,
+ .name = CROS_EC_DEV_SCP_C1_NAME,
+ .desc = "System Control Processor 2nd Core",
+ },
{
.id = EC_FEATURE_TOUCHPAD,
.name = CROS_EC_DEV_TP_NAME,
diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h
index 8cfa8cfca77e..9fbf1c5eb8d3 100644
--- a/include/linux/platform_data/cros_ec_commands.h
+++ b/include/linux/platform_data/cros_ec_commands.h
@@ -1300,6 +1300,8 @@ enum ec_feature_code {
* mux.
*/
EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK = 43,
+ /* The MCU is a System Companion Processor (SCP) 2nd Core. */
+ EC_FEATURE_SCP_C1 = 45,
};
#define EC_FEATURE_MASK_0(event_code) BIT(event_code % 32)
diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h
index 138fd912c808..da06dc7cf1cb 100644
--- a/include/linux/platform_data/cros_ec_proto.h
+++ b/include/linux/platform_data/cros_ec_proto.h
@@ -19,6 +19,7 @@
#define CROS_EC_DEV_ISH_NAME "cros_ish"
#define CROS_EC_DEV_PD_NAME "cros_pd"
#define CROS_EC_DEV_SCP_NAME "cros_scp"
+#define CROS_EC_DEV_SCP_C1_NAME "cros_scp_c1"
#define CROS_EC_DEV_TP_NAME "cros_tp"
/*
--
2.18.0
