[PATCH v1 15/15] mfd: cros_ec: Add SCP core 1 as a new CrOS EC MCU
From: Tinghan Shen <hidden>
Date: 2022-06-01 11:22:48
Also in:
chrome-platform, linux-devicetree, linux-mediatek, linux-remoteproc, lkml
Subsystem:
multifunction devices (mfd), the rest · Maintainers:
Lee Jones, Linus Torvalds
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 <redacted> --- 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
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