diff options
| author | Alexey Romanov <[email protected]> | 2023-05-31 12:31:54 +0300 |
|---|---|---|
| committer | Neil Armstrong <[email protected]> | 2023-06-28 10:05:34 +0200 |
| commit | eb0a01e603ea40d36d14fac2b6381923b4c42bf2 (patch) | |
| tree | 44bf6847574d6d822af0dd11c2cca1778b6251c7 /arch/arm/include | |
| parent | 1444acbd030edc515e4b521d0eb517de7562baa7 (diff) | |
arch/arm: meson: sm: introduce power domain functions
This commit adds functions to manage secure power domain for
Amlogic SoC's using smc functionality.
Signed-off-by: Alexey Romanov <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Neil Armstrong <[email protected]>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-meson/sm.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-meson/sm.h b/arch/arm/include/asm/arch-meson/sm.h index 53b75176493..4b1d564bc48 100644 --- a/arch/arm/include/asm/arch-meson/sm.h +++ b/arch/arm/include/asm/arch-meson/sm.h @@ -58,4 +58,34 @@ enum { */ int meson_sm_get_reboot_reason(void); +#define PWRDM_OFF 0 +#define PWRDM_ON 1 + +/** + * meson_sm_pwrdm_set - do command at specified power domain. + * + * @index: power domain index. + * @cmd: command index. + * @return: zero on success or error code on failure. + */ +int meson_sm_pwrdm_set(size_t index, int cmd); + +/** + * meson_sm_pwrdm_off - disable specified power domain. + * + * @index: power domain index. + * @return: zero on success or error code on failure. + */ +#define meson_sm_pwrdm_off(index) \ + meson_sm_pwrdm_set(index, PWRDM_OFF) + +/** + * meson_sm_pwrdm_on - enable specified power domain. + * + * @index: power domain index. + * @return: zero on success or error code on failure. + */ +#define meson_sm_pwrdm_on(index) \ + meson_sm_pwrdm_set(index, PWRDM_ON) + #endif /* __MESON_SM_H__ */ |