git.openwrt.org Git - openwrt/staging/linusw.git/blob

   1 From: Gabor Juhos <j4g8y7@gmail.com>
   2 Subject: [PATCH] clk: qcom: apss-ipq-pll: fix PLL rate for IPQ5018
   3 Date: Tue, 26 Mar 2024 14:34:11 +0100
   4
   5 According to ipq5018.dtsi, the maximum supported rate by the
   6 CPU is 1.008 GHz on the IPQ5018 platform, however the current
   7 configuration of the PLL results in 1.2 GHz rate.
   8
   9 Change the 'L' value in the PLL configuration to limit the
  10 rate to 1.008 GHz. The downstream kernel also uses the same
  11 value [1]. Also add a comment to indicate the desired
  12 frequency.
  13
  14 [1] https://git.codelinaro.org/clo/qsdk/oss/kernel/linux-ipq-5.4/-/blob/NHSS.QSDK.12.4/drivers/clk/qcom/apss-ipq5018.c?ref_type=heads#L151
  15
  16 Fixes: 50492f929486 ("clk: qcom: apss-ipq-pll: add support for IPQ5018")
  17 Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
  18 ---
  19  drivers/clk/qcom/apss-ipq-pll.c | 3 ++-
  20  1 file changed, 2 insertions(+), 1 deletion(-)
  21
  22 --- a/drivers/clk/qcom/apss-ipq-pll.c
  23 +++ b/drivers/clk/qcom/apss-ipq-pll.c
  24 @@ -97,7 +97,7 @@ static struct clk_alpha_pll ipq_pll_stro
  25  };
  26
  27  static const struct alpha_pll_config ipq5018_pll_config = {
  28 -       .l = 0x32,
  29 +       .l = 0x2a,
  30         .config_ctl_val = 0x4001075b,
  31         .config_ctl_hi_val = 0x304,
  32         .main_output_mask = BIT(0),