[PATCH v3 8/9] clk: qcom: rpmh: Add support for SM8550 rpmh clocks
From: Abel Vesa
Date: Mon Nov 28 2022 - 07:29:12 EST
Adds the RPMH clocks present in SM8550 SoC.
Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
Changes since v2:
* Added Konrad's R-b tag
drivers/clk/qcom/clk-rpmh.c | 110 +++++++++++++++++++++++++++++-------
1 file changed, 90 insertions(+), 20 deletions(-)
diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
index 0471bab82464..3204df3fda86 100644
--- a/drivers/clk/qcom/clk-rpmh.c
+++ b/drivers/clk/qcom/clk-rpmh.c
@@ -132,6 +132,36 @@ static DEFINE_MUTEX(rpmh_clk_lock);
}, \
}
+#define DEFINE_CLK_RPMH_FIXED(_platform, _name, _name_active, \
+ _parent_name, _name_active_parent, \
+ _div) \
+ static struct clk_fixed_factor _platform##_##_name = { \
+ .mult = 1, \
+ .div = _div, \
+ .hw.init = &(struct clk_init_data){ \
+ .ops = &clk_fixed_factor_ops, \
+ .name = #_name, \
+ .parent_data = &(const struct clk_parent_data){ \
+ .fw_name = #_parent_name, \
+ .name = #_parent_name, \
+ }, \
+ .num_parents = 1, \
+ }, \
+ }; \
+ static struct clk_fixed_factor _platform##_##_name_active = { \
+ .mult = 1, \
+ .div = _div, \
+ .hw.init = &(struct clk_init_data){ \
+ .ops = &clk_fixed_factor_ops, \
+ .name = #_name_active, \
+ .parent_data = &(const struct clk_parent_data){ \
+ .fw_name = #_name_active_parent,\
+ .name = #_name_active_parent, \
+ }, \
+ .num_parents = 1, \
+ }, \
+ }
+
static inline struct clk_rpmh *to_clk_rpmh(struct clk_hw *_hw)
{
return container_of(_hw, struct clk_rpmh, hw);
@@ -579,6 +609,43 @@ static const struct clk_rpmh_desc clk_rpmh_sm8450 = {
.num_clks = ARRAY_SIZE(sm8450_rpmh_clocks),
};
+DEFINE_CLK_RPMH_ARC(sm8550, xo_pad, xo_pad_ao, "xo.lvl", 0x03, 2);
+DEFINE_CLK_RPMH_FIXED(sm8550, bi_tcxo, bi_tcxo_ao, xo_pad, xo_pad_ao, 2);
+DEFINE_CLK_RPMH_VRM(sm8550, rf_clk1, rf_clk1_ao, "clka1", 1);
+DEFINE_CLK_RPMH_VRM(sm8550, rf_clk2, rf_clk2_ao, "clka2", 1);
+DEFINE_CLK_RPMH_VRM(sm8550, rf_clk3, rf_clk3_ao, "clka3", 1);
+DEFINE_CLK_RPMH_VRM(sm8550, rf_clk4, rf_clk4_ao, "clka4", 1);
+DEFINE_CLK_RPMH_VRM(sm8550, ln_bb_clk1, ln_bb_clk1_ao, "clka6", 2);
+DEFINE_CLK_RPMH_VRM(sm8550, ln_bb_clk2, ln_bb_clk2_ao, "clka7", 2);
+DEFINE_CLK_RPMH_VRM(sm8550, ln_bb_clk3, ln_bb_clk3_ao, "clka8", 2);
+
+static struct clk_hw *sm8550_rpmh_clocks[] = {
+ [RPMH_CXO_PAD_CLK] = &sm8550_xo_pad.hw,
+ [RPMH_CXO_PAD_CLK_A] = &sm8550_xo_pad_ao.hw,
+ [RPMH_CXO_CLK] = &sm8550_bi_tcxo.hw,
+ [RPMH_CXO_CLK_A] = &sm8550_bi_tcxo_ao.hw,
+ [RPMH_LN_BB_CLK1] = &sm8550_ln_bb_clk1.hw,
+ [RPMH_LN_BB_CLK1_A] = &sm8550_ln_bb_clk1_ao.hw,
+ [RPMH_LN_BB_CLK2] = &sm8550_ln_bb_clk2.hw,
+ [RPMH_LN_BB_CLK2_A] = &sm8550_ln_bb_clk2_ao.hw,
+ [RPMH_LN_BB_CLK3] = &sm8550_ln_bb_clk3.hw,
+ [RPMH_LN_BB_CLK3_A] = &sm8550_ln_bb_clk3_ao.hw,
+ [RPMH_RF_CLK1] = &sm8550_rf_clk1.hw,
+ [RPMH_RF_CLK1_A] = &sm8550_rf_clk1_ao.hw,
+ [RPMH_RF_CLK2] = &sm8550_rf_clk2.hw,
+ [RPMH_RF_CLK2_A] = &sm8550_rf_clk2_ao.hw,
+ [RPMH_RF_CLK3] = &sm8550_rf_clk3.hw,
+ [RPMH_RF_CLK3_A] = &sm8550_rf_clk3_ao.hw,
+ [RPMH_RF_CLK4] = &sm8550_rf_clk4.hw,
+ [RPMH_RF_CLK4_A] = &sm8550_rf_clk4_ao.hw,
+ [RPMH_IPA_CLK] = &sdm845_ipa.hw,
+};
+
+static const struct clk_rpmh_desc clk_rpmh_sm8550 = {
+ .clks = sm8550_rpmh_clocks,
+ .num_clks = ARRAY_SIZE(sm8550_rpmh_clocks),
+};
+
static struct clk_hw *sc7280_rpmh_clocks[] = {
[RPMH_CXO_CLK] = &sc7280_bi_tcxo.hw,
[RPMH_CXO_CLK_A] = &sc7280_bi_tcxo_ao.hw,
@@ -682,29 +749,31 @@ static int clk_rpmh_probe(struct platform_device *pdev)
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) {
- dev_err(&pdev->dev, "missing RPMh resource address for %s\n",
- rpmh_clk->res_name);
- return -ENODEV;
- }
+ if (hw_clks[i]->init->ops != &clk_fixed_factor_ops) {
+ rpmh_clk = to_clk_rpmh(hw_clks[i]);
+ res_addr = cmd_db_read_addr(rpmh_clk->res_name);
+ if (!res_addr) {
+ dev_err(&pdev->dev, "missing RPMh resource address for %s\n",
+ rpmh_clk->res_name);
+ return -ENODEV;
+ }
- data = cmd_db_read_aux_data(rpmh_clk->res_name, &aux_data_len);
- if (IS_ERR(data)) {
- ret = PTR_ERR(data);
- dev_err(&pdev->dev,
- "error reading RPMh aux data for %s (%d)\n",
- rpmh_clk->res_name, ret);
- return ret;
- }
+ data = cmd_db_read_aux_data(rpmh_clk->res_name, &aux_data_len);
+ if (IS_ERR(data)) {
+ ret = PTR_ERR(data);
+ dev_err(&pdev->dev,
+ "error reading RPMh aux data for %s (%d)\n",
+ rpmh_clk->res_name, ret);
+ return ret;
+ }
- /* Convert unit from Khz to Hz */
- if (aux_data_len == sizeof(*data))
- rpmh_clk->unit = le32_to_cpu(data->unit) * 1000ULL;
+ /* Convert unit from Khz to Hz */
+ if (aux_data_len == sizeof(*data))
+ rpmh_clk->unit = le32_to_cpu(data->unit) * 1000ULL;
- rpmh_clk->res_addr += res_addr;
- rpmh_clk->dev = &pdev->dev;
+ rpmh_clk->res_addr += res_addr;
+ rpmh_clk->dev = &pdev->dev;
+ }
ret = devm_clk_hw_register(&pdev->dev, hw_clks[i]);
if (ret) {
@@ -739,6 +808,7 @@ static const struct of_device_id clk_rpmh_match_table[] = {
{ .compatible = "qcom,sm8250-rpmh-clk", .data = &clk_rpmh_sm8250},
{ .compatible = "qcom,sm8350-rpmh-clk", .data = &clk_rpmh_sm8350},
{ .compatible = "qcom,sm8450-rpmh-clk", .data = &clk_rpmh_sm8450},
+ { .compatible = "qcom,sm8550-rpmh-clk", .data = &clk_rpmh_sm8550},
{ .compatible = "qcom,sc7280-rpmh-clk", .data = &clk_rpmh_sc7280},
{ }
};
--
2.34.1