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Thu, 10 Apr 2025 16:40:29 +0200 (CEST) From: AngeloGioacchino Del Regno To: linux-mediatek@lists.infradead.org Cc: lgirdwood@gmail.com, broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, henryc.chen@mediatek.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@collabora.com Subject: [PATCH v1 5/5] soc: mediatek: mtk-dvfsrc: Add support for Dimensity 1200 MT6893 Date: Thu, 10 Apr 2025 16:40:19 +0200 Message-ID: <20250410144019.475930-6-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250410144019.475930-1-angelogioacchino.delregno@collabora.com> References: <20250410144019.475930-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250410_154032_218376_1C120E9A X-CRM114-Status: GOOD ( 10.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- 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 */ }