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| author | Tudor Ambarus <tudor.ambarus@linaro.org> | 2025-10-10 15:46:32 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2025-10-20 09:49:44 +0300 |
| commit | 84a222d1b369ba83f8947948670f775367e653f1 (patch) | |
| tree | d0ac134fad1dfcb82116d5baae8abcb91cf4c867 /include/linux | |
| parent | 83c4e3c39b2b55afe56ed0d14b93b5f219350c81 (diff) | |
| download | linux-84a222d1b369ba83f8947948670f775367e653f1.tar.xz | |
firmware: exynos-acpm: add DVFS protocol
Add ACPM DVFS protocol handler. It constructs DVFS messages that
the APM firmware can understand.
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Tested-by: Peter Griffin <peter.griffin@linaro.org> # on gs101-oriole
Link: https://patch.msgid.link/20251010-acpm-clk-v6-2-321ee8826fd4@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/firmware/samsung/exynos-acpm-protocol.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/firmware/samsung/exynos-acpm-protocol.h b/include/linux/firmware/samsung/exynos-acpm-protocol.h index f628bf1862c2..b1e95435240f 100644 --- a/include/linux/firmware/samsung/exynos-acpm-protocol.h +++ b/include/linux/firmware/samsung/exynos-acpm-protocol.h @@ -13,6 +13,15 @@ struct acpm_handle; struct device_node; +struct acpm_dvfs_ops { + int (*set_rate)(const struct acpm_handle *handle, + unsigned int acpm_chan_id, unsigned int clk_id, + unsigned long rate); + unsigned long (*get_rate)(const struct acpm_handle *handle, + unsigned int acpm_chan_id, + unsigned int clk_id); +}; + struct acpm_pmic_ops { int (*read_reg)(const struct acpm_handle *handle, unsigned int acpm_chan_id, u8 type, u8 reg, u8 chan, @@ -32,6 +41,7 @@ struct acpm_pmic_ops { }; struct acpm_ops { + struct acpm_dvfs_ops dvfs_ops; struct acpm_pmic_ops pmic_ops; }; |