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[83.9.31.195]) by smtp.gmail.com with ESMTPSA id b2-20020ac247e2000000b005009920b6afsm1547799lfp.9.2023.08.28.04.42.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Aug 2023 04:42:39 -0700 (PDT) From: Konrad Dybcio Date: Mon, 28 Aug 2023 13:42:17 +0200 Subject: [PATCH v14 5/9] soc: qcom: cpr-common: Add support for flat fuse adjustment MIME-Version: 1.0 Message-Id: <20230217-topic-cpr3h-v14-5-9fd23241493d@linaro.org> References: <20230217-topic-cpr3h-v14-0-9fd23241493d@linaro.org> In-Reply-To: <20230217-topic-cpr3h-v14-0-9fd23241493d@linaro.org> To: AngeloGioacchino Del Regno , Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Viresh Kumar , Nishanth Menon , Stephen Boyd , Niklas Cassel , Liam Girdwood , Mark Brown , Conor Dooley , "Rafael J. Wysocki" , Viresh Kumar , Ulf Hansson Cc: Robert Marko , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Jeffrey Hugo , Marijn Suijten , Konrad Dybcio , AngeloGioacchino Del Regno X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1693222948; l=2102; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=r+FZtgyjhOegt/rHxqeMXobV6M/mn9z4gyS+IPOc1vM=; b=U3Xoy4etONfYRJG0PDzYicPXwrijpIZrw7CCHzvb+YFPm0Kg6Ipp3U/krMDpjBkuNNqub+/gX 1ySzgw7dkBGCBLIFqtTScwGbLDDASrIy/h1K4nJCcrj4A1noF4mtXNF X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: AngeloGioacchino Del Regno CPR3 makes use of post-calculation flat value adjustments. Add the necessary bits to the common functions to support it. Signed-off-by: AngeloGioacchino Del Regno [Konrad: separate this patch out of a bigger one] Tested-by: Jeffrey Hugo Signed-off-by: Konrad Dybcio --- drivers/genpd/qcom/cpr-common.c | 9 ++++++--- drivers/genpd/qcom/cpr-common.h | 1 + 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/genpd/qcom/cpr-common.c b/drivers/genpd/qcom/cpr-common.c index ea85f6b4bef8..44c681bbbf13 100644 --- a/drivers/genpd/qcom/cpr-common.c +++ b/drivers/genpd/qcom/cpr-common.c @@ -49,7 +49,7 @@ int cpr_populate_ring_osc_idx(struct device *dev, EXPORT_SYMBOL_GPL(cpr_populate_ring_osc_idx); static int cpr_read_fuse_uV(int init_v_width, int step_size_uV, int ref_uV, - int step_volt, const char *init_v_efuse, + int adj, int step_volt, const char *init_v_efuse, struct device *dev) { int steps, uV; @@ -67,6 +67,9 @@ static int cpr_read_fuse_uV(int init_v_width, int step_size_uV, int ref_uV, uV = ref_uV + steps * step_size_uV; + /* Apply open-loop fixed adjustments to fused values */ + uV += adj; + return DIV_ROUND_UP(uV, step_volt) * step_volt; } @@ -119,8 +122,8 @@ int cpr_populate_fuse_common(struct device *dev, /* Populate uV */ uV = cpr_read_fuse_uV(init_v_width, init_v_step, - fdata->ref_uV, step_volt, - cpr_fuse->init_voltage, dev); + fdata->ref_uV, fdata->volt_oloop_adjust, + step_volt, cpr_fuse->init_voltage, dev); if (uV < 0) return uV; diff --git a/drivers/genpd/qcom/cpr-common.h b/drivers/genpd/qcom/cpr-common.h index 1f2ebf9394cf..0aa227617d2f 100644 --- a/drivers/genpd/qcom/cpr-common.h +++ b/drivers/genpd/qcom/cpr-common.h @@ -22,6 +22,7 @@ struct fuse_corner_data { int ref_uV; int max_uV; int min_uV; + int volt_oloop_adjust; int max_volt_scale; int max_quot_scale; /* fuse quot */