From: Yassine Oudjana Date: Sat, 27 May 2023 09:39:34 +0000 (+0300) Subject: clk: qcom: cbf-msm8996: Add support for MSM8996 Pro X-Git-Tag: v6.6.7~2041^2^2~1^2~32 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bc48641a68dcf9998c78248ce7e79d1a492463c1;p=platform%2Fkernel%2Flinux-starfive.git 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 Reviewed-by: Konrad Dybcio Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20230527093934.101335-4-y.oudjana@protonmail.com Signed-off-by: Bjorn Andersson --- diff --git a/drivers/clk/qcom/clk-cbf-8996.c b/drivers/clk/qcom/clk-cbf-8996.c index 1e23b73..53f205a 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);