Re: [PATCH v2 5/7] clk: qcom: hfpll: Add MSM8976 PLL data

From: Konrad Dybcio
Date: Tue Jul 25 2023 - 04:02:42 EST


On 23.07.2023 18:08, Adam Skladowski wrote:
> Add PLL configuration for MSM8976 SoC, this SoC offers 3 HFPLL.
> Small cluster offers two presets for 652-902Mhz range and 902Mhz-1.47Ghz.
> For simplicity only add second range as smaller frequencies can be obtained
> via apcs divider or safe parent this also saves us
> a hassle of reconfiguring VCO bit and config_val.
> A72 and CCI cluster only use single frequency range with their
> outputs/post_dividers/vco_bits being static.
>
> Signed-off-by: Adam Skladowski <a39.skl@xxxxxxxxx>
> ---
[...]

> +static const struct hfpll_data msm8976_a72 = {
> + .mode_reg = 0x00,
> + .l_reg = 0x04,
> + .m_reg = 0x08,
> + .n_reg = 0x0c,
> + .user_reg = 0x10,
> + .config_reg = 0x14,
> + .config_val = 0x4e0405d,
> + .status_reg = 0x1c,
> + .lock_bit = 16,
> +
> + .l_val = 0x3e,
> + .user_val = 0x100109,
> + .min_rate = 940800000UL,
> + .max_rate = 1843200000UL,
2016000000?

[...]

> static const struct of_device_id qcom_hfpll_match_table[] = {
> { .compatible = "qcom,hfpll", &hdata },
> + { .compatible = "qcom,msm8976-hfpll-a53", &msm8976_a53 },
> + { .compatible = "qcom,msm8976-hfpll-a72", &msm8976_a72 },
> + { .compatible = "qcom,msm8976-hfpll-cci", &msm8976_cci },
.data = is missing

Konrad