Lines Matching +full:convert +full:- +full:rate
1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
6 #include <linux/clk-provider.h>
13 #include <soc/qcom/cmd-db.h>
17 #include <dt-bindings/clock/qcom,rpmh.h>
23 * struct bcm_db - Auxiliary data pertaining to each Bus Clock Manager(BCM)
24 * @unit: divisor used to convert Hz value to an RPMh msg
25 * @width: multiplier used to convert Hz value to an RPMh msg
37 * struct clk_rpmh - individual rpmh clock data structure
38 * @hw: handle between common and hardware-specific interfaces
40 * @div: clock divider to compute the clock rate
47 * @unit: divisor to convert rate to rpmh msg in magnitudes of Khz
140 return (c->last_sent_aggr_state & BIT(state))
141 != (c->aggr_state & BIT(state));
148 return rpmh_write(c->dev, state, cmd, 1);
150 return rpmh_write_async(c->dev, state, cmd, 1);
161 cmd.addr = c->res_addr;
162 cmd_state = c->aggr_state;
163 on_val = c->res_on_val;
173 dev_err(c->dev, "set %s state of %s failed: (%d)\n",
176 "wake" : "active", c->res_name, ret);
182 c->last_sent_aggr_state = c->aggr_state;
183 c->peer->last_sent_aggr_state = c->last_sent_aggr_state;
196 c->state = enable ? c->valid_state_mask : 0;
197 c->aggr_state = c->state | c->peer->state;
198 c->peer->aggr_state = c->aggr_state;
205 c->state = 0;
207 c->state = c->valid_state_mask;
209 WARN(1, "clk: %s failed to %s\n", c->res_name,
241 * RPMh clocks have a fixed rate. Return static rate.
243 return prate / r->div;
261 if (c->aggr_state)
262 cmd_state = c->aggr_state;
269 if (c->last_sent_aggr_state != cmd_state) {
270 cmd.addr = c->res_addr;
280 dev_err(c->dev, "set active state of %s failed: (%d)\n",
281 c->res_name, ret);
283 c->last_sent_aggr_state = cmd_state;
306 static int clk_rpmh_bcm_set_rate(struct clk_hw *hw, unsigned long rate,
311 c->aggr_state = rate / c->unit;
313 * Since any non-zero value sent to hw would result in enabling the
322 static long clk_rpmh_round_rate(struct clk_hw *hw, unsigned long rate,
325 return rate;
333 return (unsigned long)c->aggr_state * c->unit;
344 /* Resource name must match resource id present in cmd-db */
667 * The clka3 RPMh resource is missing in cmd-db
856 unsigned int idx = clkspec->args[0];
858 if (idx >= rpmh->num_clks) {
860 return ERR_PTR(-EINVAL);
863 return rpmh->clks[idx];
873 desc = of_device_get_match_data(&pdev->dev);
875 return -ENODEV;
877 hw_clks = desc->clks;
879 for (i = 0; i < desc->num_clks; i++) {
888 name = hw_clks[i]->init->name;
891 res_addr = cmd_db_read_addr(rpmh_clk->res_name);
893 dev_err(&pdev->dev, "missing RPMh resource address for %s\n",
894 rpmh_clk->res_name);
895 return -ENODEV;
898 data = cmd_db_read_aux_data(rpmh_clk->res_name, &aux_data_len);
901 dev_err(&pdev->dev,
903 rpmh_clk->res_name, ret);
907 /* Convert unit from Khz to Hz */
909 rpmh_clk->unit = le32_to_cpu(data->unit) * 1000ULL;
911 rpmh_clk->res_addr += res_addr;
912 rpmh_clk->dev = &pdev->dev;
914 ret = devm_clk_hw_register(&pdev->dev, hw_clks[i]);
916 dev_err(&pdev->dev, "failed to register %s\n", name);
922 ret = devm_of_clk_add_hw_provider(&pdev->dev, of_clk_rpmh_hw_get,
925 dev_err(&pdev->dev, "Failed to add clock provider\n");
929 dev_dbg(&pdev->dev, "Registered RPMh clocks\n");
935 { .compatible = "qcom,qcs615-rpmh-clk", .data = &clk_rpmh_qcs615},
936 { .compatible = "qcom,qdu1000-rpmh-clk", .data = &clk_rpmh_qdu1000},
937 { .compatible = "qcom,sa8775p-rpmh-clk", .data = &clk_rpmh_sa8775p},
938 { .compatible = "qcom,sar2130p-rpmh-clk", .data = &clk_rpmh_sar2130p},
939 { .compatible = "qcom,sc7180-rpmh-clk", .data = &clk_rpmh_sc7180},
940 { .compatible = "qcom,sc7280-rpmh-clk", .data = &clk_rpmh_sc7280},
941 { .compatible = "qcom,sc8180x-rpmh-clk", .data = &clk_rpmh_sc8180x},
942 { .compatible = "qcom,sc8280xp-rpmh-clk", .data = &clk_rpmh_sc8280xp},
943 { .compatible = "qcom,sdm845-rpmh-clk", .data = &clk_rpmh_sdm845},
944 { .compatible = "qcom,sdm670-rpmh-clk", .data = &clk_rpmh_sdm670},
945 { .compatible = "qcom,sdx55-rpmh-clk", .data = &clk_rpmh_sdx55},
946 { .compatible = "qcom,sdx65-rpmh-clk", .data = &clk_rpmh_sdx65},
947 { .compatible = "qcom,sdx75-rpmh-clk", .data = &clk_rpmh_sdx75},
948 { .compatible = "qcom,sm4450-rpmh-clk", .data = &clk_rpmh_sm4450},
949 { .compatible = "qcom,sm6350-rpmh-clk", .data = &clk_rpmh_sm6350},
950 { .compatible = "qcom,sm8150-rpmh-clk", .data = &clk_rpmh_sm8150},
951 { .compatible = "qcom,sm8250-rpmh-clk", .data = &clk_rpmh_sm8250},
952 { .compatible = "qcom,sm8350-rpmh-clk", .data = &clk_rpmh_sm8350},
953 { .compatible = "qcom,sm8450-rpmh-clk", .data = &clk_rpmh_sm8450},
954 { .compatible = "qcom,sm8550-rpmh-clk", .data = &clk_rpmh_sm8550},
955 { .compatible = "qcom,sm8650-rpmh-clk", .data = &clk_rpmh_sm8650},
956 { .compatible = "qcom,sm8750-rpmh-clk", .data = &clk_rpmh_sm8750},
957 { .compatible = "qcom,x1e80100-rpmh-clk", .data = &clk_rpmh_x1e80100},
965 .name = "clk-rpmh",