From: Praveenkumar I <quic_ipkumar@xxxxxxxxxxx> * Add thread, scaling factor, CPR descriptor defines to enable CPR on IPQ9574. * Skip 'acc' usage since IPQ9574 does not have acc Signed-off-by: Praveenkumar I <quic_ipkumar@xxxxxxxxxxx> Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx> --- v6: Rebase on top of Konrad's v15 - https://lore.kernel.org/lkml/20240708-topic-cpr3h-v15-0-5bc8b8936489@xxxxxxxxxx/T/ v5: Move the 'acc_desc' usage check to first patch v4: s/silver//, s/cprh/cpr4/ Skip 'acc' related code as IPQ9574 does not have acc v3: Fix patch author Included below information in cover letter v2: Fix Signed-off-by order Depends: [1] https://lore.kernel.org/lkml/20230217-topic-cpr3h-v14-0-9fd23241493d@xxxxxxxxxx/T/ [2] https://github.com/quic-varada/cpr/commits/konrad/ --- drivers/pmdomain/qcom/cpr3.c | 140 ++++++++++++++++++++++++++++++++++- 1 file changed, 139 insertions(+), 1 deletion(-) diff --git a/drivers/pmdomain/qcom/cpr3.c b/drivers/pmdomain/qcom/cpr3.c index d594bc79be1c..0e24ee1556df 100644 --- a/drivers/pmdomain/qcom/cpr3.c +++ b/drivers/pmdomain/qcom/cpr3.c @@ -1942,6 +1942,142 @@ static const struct cpr_acc_desc msm8998_cpr_acc_desc = { .cpr_desc = &msm8998_cpr_desc, }; +static const int ipq9574_scaling_factor[][CPR3_RO_COUNT] = { + /* Fuse Corner 0 */ + { + 2383, 2112, 2250, 1502, 2269, 2055, 2046, 1949, + 2128, 1945, 2282, 2061, 2010, 2216, 2054, 2332 + }, + /* Fuse Corner 1 */ + { + 2383, 2112, 2250, 1502, 2269, 2055, 2046, 1949, + 2128, 1945, 2282, 2061, 2010, 2216, 2054, 2332 + }, + /* Fuse Corner 2 */ + { + 2383, 2112, 2250, 1502, 2269, 2055, 2046, 1949, + 2128, 1945, 2282, 2061, 2010, 2216, 2054, 2332 + }, + /* Fuse Corner 3 */ + { + 2383, 2112, 2250, 1502, 2269, 2055, 2046, 1949, + 2128, 1945, 2282, 2061, 2010, 2216, 2054, 2332 + }, +}; + +static const struct cpr_thread_desc ipq9574_thread = { + .controller_id = 0, + .hw_tid = 0, + .ro_scaling_factor = ipq9574_scaling_factor, + .sensor_range_start = 0, + .sensor_range_end = 6, + .init_voltage_step = 10000, + .init_voltage_width = 6, + .step_quot_init_min = 0, + .step_quot_init_max = 15, + .num_fuse_corners = 4, + .fuse_corner_data = (struct fuse_corner_data[]){ + /* fuse corner 0 */ + { + .ref_uV = 725000, + .max_uV = 725000, + .min_uV = 725000, + .range_uV = 0, + .volt_cloop_adjust = 0, + .volt_oloop_adjust = 0, + .max_volt_scale = 4, + .max_quot_scale = 10, + .quot_offset = 0, + .quot_scale = 1, + .quot_adjust = 0, + .quot_offset_scale = 5, + .quot_offset_adjust = 0, + }, + /* fuse corner 1 */ + { + .ref_uV = 862500, + .max_uV = 862500, + .min_uV = 725000, + .range_uV = 0, + .volt_cloop_adjust = 0, + .volt_oloop_adjust = 0, + .max_volt_scale = 500, + .max_quot_scale = 800, + .quot_offset = 0, + .quot_scale = 1, + .quot_adjust = 0, + .quot_offset_scale = 5, + .quot_offset_adjust = 0, + }, + /* fuse corner 2 */ + { + .ref_uV = 987500, + .max_uV = 987500, + .min_uV = 787500, + .range_uV = 0, + .volt_cloop_adjust = 0, + .volt_oloop_adjust = 0, + .max_volt_scale = 280, + .max_quot_scale = 650, + .quot_offset = 0, + .quot_scale = 1, + .quot_adjust = 0, + .quot_offset_scale = 5, + .quot_offset_adjust = 0, + + }, + /* fuse corner 3 */ + { + .ref_uV = 1062500, + .max_uV = 1062500, + .min_uV = 850000, + .range_uV = 0, + .volt_cloop_adjust = 0, + .volt_oloop_adjust = 0, + .max_volt_scale = 430, + .max_quot_scale = 800, + .quot_offset = 0, + .quot_scale = 1, + .quot_adjust = 0, + .quot_offset_scale = 5, + .quot_offset_adjust = 0, + }, + }, +}; + +static const struct cpr_desc ipq9574_cpr_desc = { + .cpr_type = CTRL_TYPE_CPR4, + .num_threads = 1, + .apm_threshold = 850000, + .apm_crossover = 880000, + .apm_hysteresis = 0, + .cpr_base_voltage = 700000, + .cpr_max_voltage = 1100000, + .timer_delay_us = 5000, + .timer_cons_up = 0, + .timer_cons_down = 0, + .up_threshold = 2, + .down_threshold = 2, + .idle_clocks = 15, + .count_mode = CPR3_CPR_CTL_COUNT_MODE_ALL_AT_ONCE_MIN, + .count_repeat = 1, + .gcnt_us = 1, + .vreg_step_fixed = 12500, + .vreg_step_up_limit = 1, + .vreg_step_down_limit = 1, + .vdd_settle_time_us = 34, + .corner_settle_time_us = 6, + .reduce_to_corner_uV = true, + .hw_closed_loop_en = false, + .threads = (const struct cpr_thread_desc *[]) { + &ipq9574_thread, + }, +}; + +static const struct cpr_acc_desc ipq9574_cpr_acc_desc = { + .cpr_desc = &ipq9574_cpr_desc, +}; + static const int sdm630_gold_scaling_factor[][CPR3_RO_COUNT] = { /* Same RO factors for all fuse corners */ { @@ -2544,7 +2680,8 @@ static int cpr_probe(struct platform_device *pdev) desc = data->cpr_desc; /* CPRh disallows MEM-ACC access from the HLOS */ - if (!(data->acc_desc || desc->cpr_type == CTRL_TYPE_CPRH)) + if (!(data->acc_desc || desc->cpr_type == CTRL_TYPE_CPRH || + of_device_is_compatible(dev->of_node, "qcom,ipq9574-cpr4"))) return dev_err_probe(dev, -EINVAL, "Invalid ACC data\n"); drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL); @@ -2694,6 +2831,7 @@ static void cpr_remove(struct platform_device *pdev) } static const struct of_device_id cpr3_match_table[] = { + { .compatible = "qcom,ipq9574-cpr4", .data = &ipq9574_cpr_acc_desc }, { .compatible = "qcom,msm8998-cprh", .data = &msm8998_cpr_acc_desc }, { .compatible = "qcom,sdm630-cprh", .data = &sdm630_cpr_acc_desc }, { } -- 2.34.1
