diff options
Diffstat (limited to 'drivers/clk/qcom/clk-rpmh.c')
| -rw-r--r-- | drivers/clk/qcom/clk-rpmh.c | 45 |
1 files changed, 41 insertions, 4 deletions
diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c index c7675930fde1f..1496fb3de4be8 100644 --- a/drivers/clk/qcom/clk-rpmh.c +++ b/drivers/clk/qcom/clk-rpmh.c @@ -66,6 +66,8 @@ struct clk_rpmh { struct clk_rpmh_desc { struct clk_hw **clks; size_t num_clks; + /* RPMh clock clkaN are optional for this platform */ + bool clka_optional; }; static DEFINE_MUTEX(rpmh_clk_lock); @@ -319,10 +321,10 @@ static int clk_rpmh_bcm_set_rate(struct clk_hw *hw, unsigned long rate, return 0; } -static long clk_rpmh_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *parent_rate) +static int clk_rpmh_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { - return rate; + return 0; } static unsigned long clk_rpmh_bcm_recalc_rate(struct clk_hw *hw, @@ -337,7 +339,7 @@ static const struct clk_ops clk_rpmh_bcm_ops = { .prepare = clk_rpmh_bcm_prepare, .unprepare = clk_rpmh_bcm_unprepare, .set_rate = clk_rpmh_bcm_set_rate, - .round_rate = clk_rpmh_round_rate, + .determine_rate = clk_rpmh_determine_rate, .recalc_rate = clk_rpmh_bcm_recalc_rate, }; @@ -384,6 +386,8 @@ DEFINE_CLK_RPMH_VRM(clk6, _a2, "clka6", 2); DEFINE_CLK_RPMH_VRM(clk7, _a2, "clka7", 2); DEFINE_CLK_RPMH_VRM(clk8, _a2, "clka8", 2); +DEFINE_CLK_RPMH_VRM(clk7, _a4, "clka7", 4); + DEFINE_CLK_RPMH_VRM(div_clk1, _div2, "divclka1", 2); DEFINE_CLK_RPMH_BCM(ce, "CE0"); @@ -539,6 +543,29 @@ static const struct clk_rpmh_desc clk_rpmh_sc8180x = { .num_clks = ARRAY_SIZE(sc8180x_rpmh_clocks), }; +static struct clk_hw *milos_rpmh_clocks[] = { + [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div4.hw, + [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div4_ao.hw, + [RPMH_LN_BB_CLK2] = &clk_rpmh_clk7_a4.hw, + [RPMH_LN_BB_CLK2_A] = &clk_rpmh_clk7_a4_ao.hw, + /* + * RPMH_LN_BB_CLK3(_A) and RPMH_LN_BB_CLK4(_A) are marked as optional + * downstream, but do not exist in cmd-db on SM7635, so skip them. + */ + [RPMH_RF_CLK1] = &clk_rpmh_clk1_a1.hw, + [RPMH_RF_CLK1_A] = &clk_rpmh_clk1_a1_ao.hw, + [RPMH_RF_CLK2] = &clk_rpmh_clk2_a1.hw, + [RPMH_RF_CLK2_A] = &clk_rpmh_clk2_a1_ao.hw, + [RPMH_RF_CLK3] = &clk_rpmh_clk3_a1.hw, + [RPMH_RF_CLK3_A] = &clk_rpmh_clk3_a1_ao.hw, + [RPMH_IPA_CLK] = &clk_rpmh_ipa.hw, +}; + +static const struct clk_rpmh_desc clk_rpmh_milos = { + .clks = milos_rpmh_clocks, + .num_clks = ARRAY_SIZE(milos_rpmh_clocks), +}; + static struct clk_hw *sm8250_rpmh_clocks[] = { [RPMH_CXO_CLK] = &clk_rpmh_bi_tcxo_div2.hw, [RPMH_CXO_CLK_A] = &clk_rpmh_bi_tcxo_div2_ao.hw, @@ -648,6 +675,7 @@ static struct clk_hw *sm8550_rpmh_clocks[] = { static const struct clk_rpmh_desc clk_rpmh_sm8550 = { .clks = sm8550_rpmh_clocks, .num_clks = ARRAY_SIZE(sm8550_rpmh_clocks), + .clka_optional = true, }; static struct clk_hw *sm8650_rpmh_clocks[] = { @@ -679,6 +707,7 @@ static struct clk_hw *sm8650_rpmh_clocks[] = { static const struct clk_rpmh_desc clk_rpmh_sm8650 = { .clks = sm8650_rpmh_clocks, .num_clks = ARRAY_SIZE(sm8650_rpmh_clocks), + .clka_optional = true, }; static struct clk_hw *sc7280_rpmh_clocks[] = { @@ -847,6 +876,7 @@ static struct clk_hw *sm8750_rpmh_clocks[] = { static const struct clk_rpmh_desc clk_rpmh_sm8750 = { .clks = sm8750_rpmh_clocks, .num_clks = ARRAY_SIZE(sm8750_rpmh_clocks), + .clka_optional = true, }; static struct clk_hw *of_clk_rpmh_hw_get(struct of_phandle_args *clkspec, @@ -890,6 +920,12 @@ static int clk_rpmh_probe(struct platform_device *pdev) rpmh_clk = to_clk_rpmh(hw_clks[i]); res_addr = cmd_db_read_addr(rpmh_clk->res_name); if (!res_addr) { + hw_clks[i] = NULL; + + if (desc->clka_optional && + !strncmp(rpmh_clk->res_name, "clka", sizeof("clka") - 1)) + continue; + dev_err(&pdev->dev, "missing RPMh resource address for %s\n", rpmh_clk->res_name); return -ENODEV; @@ -932,6 +968,7 @@ static int clk_rpmh_probe(struct platform_device *pdev) } static const struct of_device_id clk_rpmh_match_table[] = { + { .compatible = "qcom,milos-rpmh-clk", .data = &clk_rpmh_milos}, { .compatible = "qcom,qcs615-rpmh-clk", .data = &clk_rpmh_qcs615}, { .compatible = "qcom,qdu1000-rpmh-clk", .data = &clk_rpmh_qdu1000}, { .compatible = "qcom,sa8775p-rpmh-clk", .data = &clk_rpmh_sa8775p}, |