diff options
| author | Peng Fan <peng.fan@nxp.com> | 2019-05-05 13:23:51 +0000 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-07-09 15:54:42 +0200 |
| commit | d283e1915c3d22aed2b389d7622b6d3e1fd514a3 (patch) | |
| tree | e54113c8dc7cfaf56e0aa832edc710c52ed7aa74 | |
| parent | e5aee22e4be75e75a854ab64503fc80598bc2004 (diff) | |
misc: imx8: add sc_misc_get_temp
Add sc_misc_get_temp to support get temperature
Signed-off-by: Peng Fan <peng.fan@nxp.com>
| -rw-r--r-- | arch/arm/include/asm/arch-imx8/sci/sci.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-imx8/sci/svc/misc/api.h | 1 | ||||
| -rw-r--r-- | drivers/misc/imx8/scu_api.c | 28 |
3 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx8/sci/sci.h b/arch/arm/include/asm/arch-imx8/sci/sci.h index 97377697f0..901b90d705 100644 --- a/arch/arm/include/asm/arch-imx8/sci/sci.h +++ b/arch/arm/include/asm/arch-imx8/sci/sci.h @@ -72,6 +72,8 @@ void sc_misc_get_boot_dev(sc_ipc_t ipc, sc_rsrc_t *boot_dev); void sc_misc_boot_status(sc_ipc_t ipc, sc_misc_boot_status_t status); void sc_misc_build_info(sc_ipc_t ipc, u32 *build, u32 *commit); int sc_misc_otp_fuse_read(sc_ipc_t ipc, u32 word, u32 *val); +int sc_misc_get_temp(sc_ipc_t ipc, sc_rsrc_t resource, sc_misc_temp_t temp, + s16 *celsius, s8 *tenths); /* RM API */ sc_bool_t sc_rm_is_memreg_owned(sc_ipc_t ipc, sc_rm_mr_t mr); diff --git a/arch/arm/include/asm/arch-imx8/sci/svc/misc/api.h b/arch/arm/include/asm/arch-imx8/sci/svc/misc/api.h index 5d17b553d7..3629eb68d7 100644 --- a/arch/arm/include/asm/arch-imx8/sci/svc/misc/api.h +++ b/arch/arm/include/asm/arch-imx8/sci/svc/misc/api.h @@ -26,5 +26,6 @@ #define SC_MISC_REL_CONTAINER 2U /* Release container */ typedef u8 sc_misc_boot_status_t; +typedef u8 sc_misc_temp_t; #endif /* SC_MISC_API_H */ diff --git a/drivers/misc/imx8/scu_api.c b/drivers/misc/imx8/scu_api.c index d9c4d5d784..031bc0048b 100644 --- a/drivers/misc/imx8/scu_api.c +++ b/drivers/misc/imx8/scu_api.c @@ -273,6 +273,34 @@ int sc_misc_otp_fuse_read(sc_ipc_t ipc, u32 word, u32 *val) return 0; } +int sc_misc_get_temp(sc_ipc_t ipc, sc_rsrc_t resource, sc_misc_temp_t temp, + s16 *celsius, s8 *tenths) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(struct sc_rpc_msg_s); + struct sc_rpc_msg_s msg; + int ret; + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_MISC; + RPC_FUNC(&msg) = (u8)MISC_FUNC_GET_TEMP; + RPC_U16(&msg, 0U) = (u16)resource; + RPC_U8(&msg, 2U) = (u8)temp; + RPC_SIZE(&msg) = 2U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret < 0) + return ret; + + if (celsius) + *celsius = RPC_I16(&msg, 0U); + + if (tenths) + *tenths = RPC_I8(&msg, 2U); + + return 0; +} + /* RM */ sc_bool_t sc_rm_is_memreg_owned(sc_ipc_t ipc, sc_rm_mr_t mr) { |