diff options
| author | Peng Fan <peng.fan@nxp.com> | 2025-04-08 16:44:29 +0800 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2025-04-14 13:55:04 +0100 |
| commit | 7242bbf418f0521c0e3dd7034b7b3cc4413d7d5a (patch) | |
| tree | 5d3f95534aa0735bd94ce2ef9314e930b33e1198 /include/linux | |
| parent | e68c305bc2f3cdc0b6fa21cd9579650c1457c070 (diff) | |
firmware: imx: Add i.MX95 SCMI LMM driver
The i.MX95 System manager exports SCMI LMM protocol for linux to manage
Logical Machines. The driver is to use the LMM Protocol interface to
boot, shutdown a LM.
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Message-Id: <20250408-imx-lmm-cpu-v4-5-4c5f4a456e49@nxp.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/firmware/imx/sm.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/firmware/imx/sm.h b/include/linux/firmware/imx/sm.h index 9b85a3f028d1..bc27b04afb2f 100644 --- a/include/linux/firmware/imx/sm.h +++ b/include/linux/firmware/imx/sm.h @@ -8,6 +8,7 @@ #include <linux/bitfield.h> #include <linux/errno.h> +#include <linux/scmi_imx_protocol.h> #include <linux/types.h> #define SCMI_IMX_CTRL_PDM_CLK_SEL 0 /* AON PDM clock sel */ @@ -20,4 +21,17 @@ int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val); int scmi_imx_misc_ctrl_set(u32 id, u32 val); +enum scmi_imx_lmm_op { + SCMI_IMX_LMM_BOOT, + SCMI_IMX_LMM_POWER_ON, + SCMI_IMX_LMM_SHUTDOWN, +}; + +/* For shutdown pperation */ +#define SCMI_IMX_LMM_OP_FORCEFUL 0 +#define SCMI_IMX_LMM_OP_GRACEFUL BIT(0) + +int scmi_imx_lmm_operation(u32 lmid, enum scmi_imx_lmm_op op, u32 flags); +int scmi_imx_lmm_info(u32 lmid, struct scmi_imx_lmm_info *info); +int scmi_imx_lmm_reset_vector_set(u32 lmid, u32 cpuid, u32 flags, u64 vector); #endif |