diff options
| author | Yassine Oudjana <y.oudjana@protonmail.com> | 2023-05-27 12:39:34 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-08-01 00:29:05 +0300 |
| commit | bc48641a68dcf9998c78248ce7e79d1a492463c1 (patch) | |
| tree | bffa93445482a3eb1e31698aa7216473c5b44858 /drivers/clk/qcom/clk-cbf-8996.c | |
| parent | 434cb57732cd6b39c41a218f2e1dfddd5373fe1b (diff) | |
| download | linux-bc48641a68dcf9998c78248ce7e79d1a492463c1.tar.xz | |
clk: qcom: cbf-msm8996: Add support for MSM8996 Pro
The CBF PLL on MSM8996 Pro has a /4 post divisor instead of /2. Handle the
difference accordingly.
Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230527093934.101335-4-y.oudjana@protonmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Diffstat (limited to 'drivers/clk/qcom/clk-cbf-8996.c')
| -rw-r--r-- | drivers/clk/qcom/clk-cbf-8996.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/clk/qcom/clk-cbf-8996.c b/drivers/clk/qcom/clk-cbf-8996.c index 1e23b734abb3..53f205a3f183 100644 --- a/drivers/clk/qcom/clk-cbf-8996.c +++ b/drivers/clk/qcom/clk-cbf-8996.c @@ -52,7 +52,7 @@ static const u8 cbf_pll_regs[PLL_OFF_MAX_REGS] = { [PLL_OFF_STATUS] = 0x28, }; -static const struct alpha_pll_config cbfpll_config = { +static struct alpha_pll_config cbfpll_config = { .l = 72, .config_ctl_val = 0x200d4828, .config_ctl_hi_val = 0x006, @@ -141,7 +141,7 @@ static int clk_cbf_8996_mux_determine_rate(struct clk_hw *hw, { struct clk_hw *parent; - if (req->rate < (DIV_THRESHOLD / 2)) + if (req->rate < (DIV_THRESHOLD / cbf_pll_postdiv.div)) return -EINVAL; if (req->rate < DIV_THRESHOLD) @@ -312,6 +312,11 @@ static int qcom_msm8996_cbf_probe(struct platform_device *pdev) /* Switch CBF to use the primary PLL */ regmap_update_bits(regmap, CBF_MUX_OFFSET, CBF_MUX_PARENT_MASK, 0x1); + if (of_device_is_compatible(dev->of_node, "qcom,msm8996pro-cbf")) { + cbfpll_config.post_div_val = 0x3 << 8; + cbf_pll_postdiv.div = 4; + } + for (i = 0; i < ARRAY_SIZE(cbf_msm8996_hw_clks); i++) { ret = devm_clk_hw_register(dev, cbf_msm8996_hw_clks[i]); if (ret) @@ -342,6 +347,7 @@ static int qcom_msm8996_cbf_remove(struct platform_device *pdev) static const struct of_device_id qcom_msm8996_cbf_match_table[] = { { .compatible = "qcom,msm8996-cbf" }, + { .compatible = "qcom,msm8996pro-cbf" }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, qcom_msm8996_cbf_match_table); |