summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTinghan Shen <tinghan.shen@mediatek.com>2022-06-01 14:22:01 +0300
committerLee Jones <lee@kernel.org>2022-07-19 12:54:39 +0300
commit66ee379d743c69c726b61d078119a34d5be96a35 (patch)
treee8e0176d8907e2a3c22b9f0d435558f2982e0061
parent738654be3cf7af4a0a131bd92142db045f0660dc (diff)
downloadlinux-66ee379d743c69c726b61d078119a34d5be96a35.tar.xz
mfd: cros_ec: Add SCP Core-1 as a new CrOS EC MCU
MT8195 System Companion Processors(SCP) is a dual-core RISC-V MCU. Add a new CrOS feature ID to represent the SCP's 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@mediatek.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20220601112201.15510-16-tinghan.shen@mediatek.com
-rw-r--r--drivers/mfd/cros_ec_dev.c5
-rw-r--r--include/linux/platform_data/cros_ec_commands.h2
-rw-r--r--include/linux/platform_data/cros_ec_proto.h1
3 files changed, 8 insertions, 0 deletions
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
@@ -65,6 +65,11 @@ static const struct cros_feature_to_name cros_mcu_devices[] = {
.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,
.desc = "Touchpad",
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"
/*