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firmware: meson: sm: Thermal calibration read via secure monitor

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Add SM_THERMAL_CALIB_READ to the secure monitor command enum and
introduce meson_sm_get_thermal_calib() to allow drivers to retrieve
thermal sensor calibration data through the firmware interface.

Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20260424-add-thermal-t7-vim4-v5-2-9040ca36afe2@aliel.fr
This commit is contained in:
Ronald Claveau 2026-04-24 17:45:10 +02:00 committed by Daniel Lezcano
parent b1c8ccdbd4
commit d0bf38194b
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1 changed files with 3 additions and 0 deletions
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3
include/linux/firmware/meson/meson_sm.h
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@ -12,6 +12,7 @@ enum {
SM_EFUSE_WRITE,
SM_EFUSE_USER_MAX,
SM_GET_CHIP_ID,
SM_THERMAL_CALIB_READ,
SM_A1_PWRC_SET,
SM_A1_PWRC_GET,
};
@ -27,5 +28,7 @@ int meson_sm_call_read(struct meson_sm_firmware *fw, void *buffer,
unsigned int bsize, unsigned int cmd_index, u32 arg0,
u32 arg1, u32 arg2, u32 arg3, u32 arg4);
struct meson_sm_firmware *meson_sm_get(struct device_node *firmware_node);
int meson_sm_get_thermal_calib(struct meson_sm_firmware *fw, u32 *trim_info,
u32 tsensor_id);
#endif /* _MESON_SM_FW_H_ */