diff options
Diffstat (limited to 'drivers/clk/qcom/clk-rpmh.c')
| -rw-r--r-- | drivers/clk/qcom/clk-rpmh.c | 81 |
1 files changed, 62 insertions, 19 deletions
diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c index c3fd632af119..98a118c1e244 100644 --- a/drivers/clk/qcom/clk-rpmh.c +++ b/drivers/clk/qcom/clk-rpmh.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2018, The Linux Foundation. All rights reserved. + * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. */ #include <linux/clk-provider.h> @@ -12,23 +12,13 @@ #include <linux/platform_device.h> #include <soc/qcom/cmd-db.h> #include <soc/qcom/rpmh.h> +#include <soc/qcom/tcs.h> #include <dt-bindings/clock/qcom,rpmh.h> #define CLK_RPMH_ARC_EN_OFFSET 0 #define CLK_RPMH_VRM_EN_OFFSET 4 -#define BCM_TCS_CMD_COMMIT_MASK 0x40000000 -#define BCM_TCS_CMD_VALID_SHIFT 29 -#define BCM_TCS_CMD_VOTE_MASK 0x3fff -#define BCM_TCS_CMD_VOTE_SHIFT 0 - -#define BCM_TCS_CMD(valid, vote) \ - (BCM_TCS_CMD_COMMIT_MASK | \ - ((valid) << BCM_TCS_CMD_VALID_SHIFT) | \ - ((vote & BCM_TCS_CMD_VOTE_MASK) \ - << BCM_TCS_CMD_VOTE_SHIFT)) - /** * struct bcm_db - Auxiliary data pertaining to each Bus Clock Manager(BCM) * @unit: divisor used to convert Hz value to an RPMh msg @@ -95,7 +85,10 @@ static DEFINE_MUTEX(rpmh_clk_lock); .hw.init = &(struct clk_init_data){ \ .ops = &clk_rpmh_ops, \ .name = #_name, \ - .parent_names = (const char *[]){ "xo_board" }, \ + .parent_data = &(const struct clk_parent_data){ \ + .fw_name = "xo", \ + .name = "xo_board", \ + }, \ .num_parents = 1, \ }, \ }; \ @@ -110,7 +103,10 @@ static DEFINE_MUTEX(rpmh_clk_lock); .hw.init = &(struct clk_init_data){ \ .ops = &clk_rpmh_ops, \ .name = #_name_active, \ - .parent_names = (const char *[]){ "xo_board" }, \ + .parent_data = &(const struct clk_parent_data){ \ + .fw_name = "xo", \ + .name = "xo_board", \ + }, \ .num_parents = 1, \ }, \ } @@ -269,7 +265,7 @@ static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable) } cmd.addr = c->res_addr; - cmd.data = BCM_TCS_CMD(enable, cmd_state); + cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state); ret = rpmh_write_async(c->dev, RPMH_ACTIVE_ONLY_STATE, &cmd, 1); if (ret) { @@ -338,13 +334,14 @@ static const struct clk_ops clk_rpmh_bcm_ops = { .recalc_rate = clk_rpmh_bcm_recalc_rate, }; -/* Resource name must match resource id present in cmd-db. */ +/* Resource name must match resource id present in cmd-db */ DEFINE_CLK_RPMH_ARC(sdm845, bi_tcxo, bi_tcxo_ao, "xo.lvl", 0x3, 2); DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk2, ln_bb_clk2_ao, "lnbclka2", 2); DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk3, ln_bb_clk3_ao, "lnbclka3", 2); DEFINE_CLK_RPMH_VRM(sdm845, rf_clk1, rf_clk1_ao, "rfclka1", 1); DEFINE_CLK_RPMH_VRM(sdm845, rf_clk2, rf_clk2_ao, "rfclka2", 1); DEFINE_CLK_RPMH_VRM(sdm845, rf_clk3, rf_clk3_ao, "rfclka3", 1); +DEFINE_CLK_RPMH_VRM(sm8150, rf_clk3, rf_clk3_ao, "rfclka3", 1); DEFINE_CLK_RPMH_BCM(sdm845, ipa, "IP0"); static struct clk_hw *sdm845_rpmh_clocks[] = { @@ -368,6 +365,45 @@ static const struct clk_rpmh_desc clk_rpmh_sdm845 = { .num_clks = ARRAY_SIZE(sdm845_rpmh_clocks), }; +static struct clk_hw *sm8150_rpmh_clocks[] = { + [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw, + [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw, + [RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw, + [RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw, + [RPMH_LN_BB_CLK3] = &sdm845_ln_bb_clk3.hw, + [RPMH_LN_BB_CLK3_A] = &sdm845_ln_bb_clk3_ao.hw, + [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw, + [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw, + [RPMH_RF_CLK2] = &sdm845_rf_clk2.hw, + [RPMH_RF_CLK2_A] = &sdm845_rf_clk2_ao.hw, + [RPMH_RF_CLK3] = &sdm845_rf_clk3.hw, + [RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw, +}; + +static const struct clk_rpmh_desc clk_rpmh_sm8150 = { + .clks = sm8150_rpmh_clocks, + .num_clks = ARRAY_SIZE(sm8150_rpmh_clocks), +}; + +static struct clk_hw *sc7180_rpmh_clocks[] = { + [RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw, + [RPMH_CXO_CLK_A] = &sdm845_bi_tcxo_ao.hw, + [RPMH_LN_BB_CLK2] = &sdm845_ln_bb_clk2.hw, + [RPMH_LN_BB_CLK2_A] = &sdm845_ln_bb_clk2_ao.hw, + [RPMH_LN_BB_CLK3] = &sdm845_ln_bb_clk3.hw, + [RPMH_LN_BB_CLK3_A] = &sdm845_ln_bb_clk3_ao.hw, + [RPMH_RF_CLK1] = &sdm845_rf_clk1.hw, + [RPMH_RF_CLK1_A] = &sdm845_rf_clk1_ao.hw, + [RPMH_RF_CLK2] = &sdm845_rf_clk2.hw, + [RPMH_RF_CLK2_A] = &sdm845_rf_clk2_ao.hw, + [RPMH_IPA_CLK] = &sdm845_ipa.hw, +}; + +static const struct clk_rpmh_desc clk_rpmh_sc7180 = { + .clks = sc7180_rpmh_clocks, + .num_clks = ARRAY_SIZE(sc7180_rpmh_clocks), +}; + static struct clk_hw *of_clk_rpmh_hw_get(struct of_phandle_args *clkspec, void *data) { @@ -396,10 +432,16 @@ static int clk_rpmh_probe(struct platform_device *pdev) hw_clks = desc->clks; for (i = 0; i < desc->num_clks; i++) { + const char *name; u32 res_addr; size_t aux_data_len; const struct bcm_db *data; + if (!hw_clks[i]) + continue; + + name = hw_clks[i]->init->name; + rpmh_clk = to_clk_rpmh(hw_clks[i]); res_addr = cmd_db_read_addr(rpmh_clk->res_name); if (!res_addr) { @@ -426,8 +468,7 @@ static int clk_rpmh_probe(struct platform_device *pdev) ret = devm_clk_hw_register(&pdev->dev, hw_clks[i]); if (ret) { - dev_err(&pdev->dev, "failed to register %s\n", - hw_clks[i]->init->name); + dev_err(&pdev->dev, "failed to register %s\n", name); return ret; } } @@ -446,7 +487,9 @@ static int clk_rpmh_probe(struct platform_device *pdev) } static const struct of_device_id clk_rpmh_match_table[] = { + { .compatible = "qcom,sc7180-rpmh-clk", .data = &clk_rpmh_sc7180}, { .compatible = "qcom,sdm845-rpmh-clk", .data = &clk_rpmh_sdm845}, + { .compatible = "qcom,sm8150-rpmh-clk", .data = &clk_rpmh_sm8150}, { } }; MODULE_DEVICE_TABLE(of, clk_rpmh_match_table); @@ -463,7 +506,7 @@ static int __init clk_rpmh_init(void) { return platform_driver_register(&clk_rpmh_driver); } -subsys_initcall(clk_rpmh_init); +core_initcall(clk_rpmh_init); static void __exit clk_rpmh_exit(void) { |
