[PATCH v1 5/5] soc: mediatek: mtk-dvfsrc: Add support for Dimensity 1200 MT6893
AngeloGioacchino Del Regno
angelogioacchino.delregno at collabora.com
Thu Apr 10 07:40:19 PDT 2025
Add support for the MediaTek Dimensity 1200 (MT6893) SoC's DVFSRC
v2 hardware: the only difference between this and the only other
supported DVFSRCv2 SoC (MT8195) is the VCore-DRAM OPP array.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
drivers/soc/mediatek/mtk-dvfsrc.c | 40 +++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/drivers/soc/mediatek/mtk-dvfsrc.c b/drivers/soc/mediatek/mtk-dvfsrc.c
index 65c7d7bf743e..d24010b88c33 100644
--- a/drivers/soc/mediatek/mtk-dvfsrc.c
+++ b/drivers/soc/mediatek/mtk-dvfsrc.c
@@ -453,6 +453,45 @@ static const struct dvfsrc_bw_constraints dvfsrc_bw_constr_v2 = {
.max_dram_hrt_bw = 1023,
};
+static const struct dvfsrc_opp dvfsrc_opp_mt6893_lp4[] = {
+ { 0, 0 }, { 1, 0 }, { 2, 0 }, { 3, 0 },
+ { 0, 1 }, { 1, 1 }, { 2, 1 }, { 3, 1 },
+ { 0, 2 }, { 1, 2 }, { 2, 2 }, { 3, 2 },
+ { 0, 3 }, { 1, 3 }, { 2, 3 }, { 3, 3 },
+ { 1, 4 }, { 2, 4 }, { 3, 4 }, { 2, 5 },
+ { 3, 5 }, { 3, 6 }, { 4, 6 }, { 4, 7 },
+};
+
+static const struct dvfsrc_opp_desc dvfsrc_opp_mt6893_desc[] = {
+ [0] = {
+ .opps = dvfsrc_opp_mt6893_lp4,
+ .num_opp = ARRAY_SIZE(dvfsrc_opp_mt6893_lp4),
+ }
+};
+
+static const struct dvfsrc_bw_constraints dvfsrc_bw_constr_mt6893 = {
+ .max_dram_nom_bw = 255,
+ .max_dram_peak_bw = 255,
+ .max_dram_hrt_bw = 1023,
+};
+
+static const struct dvfsrc_soc_data mt6893_data = {
+ .opps_desc = dvfsrc_opp_mt6893_desc,
+ .regs = dvfsrc_mt8195_regs,
+ .get_target_level = dvfsrc_get_target_level_v2,
+ .get_current_level = dvfsrc_get_current_level_v2,
+ .get_vcore_level = dvfsrc_get_vcore_level_v2,
+ .get_vscp_level = dvfsrc_get_vscp_level_v2,
+ .set_dram_bw = dvfsrc_set_dram_bw_v1,
+ .set_dram_peak_bw = dvfsrc_set_dram_peak_bw_v1,
+ .set_dram_hrt_bw = dvfsrc_set_dram_hrt_bw_v1,
+ .set_vcore_level = dvfsrc_set_vcore_level_v2,
+ .set_vscp_level = dvfsrc_set_vscp_level_v2,
+ .wait_for_opp_level = dvfsrc_wait_for_opp_level_v2,
+ .wait_for_vcore_level = dvfsrc_wait_for_vcore_level_v1,
+ .bw_constraints = &dvfsrc_bw_constr_v2,
+};
+
static const struct dvfsrc_opp dvfsrc_opp_mt8183_lp4[] = {
{ 0, 0 }, { 0, 1 }, { 0, 2 }, { 1, 2 },
};
@@ -530,6 +569,7 @@ static const struct dvfsrc_soc_data mt8195_data = {
};
static const struct of_device_id mtk_dvfsrc_of_match[] = {
+ { .compatible = "mediatek,mt6893-dvfsrc", .data = &mt6893_data },
{ .compatible = "mediatek,mt8183-dvfsrc", .data = &mt8183_data },
{ .compatible = "mediatek,mt8195-dvfsrc", .data = &mt8195_data },
{ /* sentinel */ }
--
2.49.0
More information about the linux-arm-kernel
mailing list