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

   1 From fd712118aa1aa758da1fd1546b3f8a1b00e42cbc Mon Sep 17 00:00:00 2001
   2 From: Mantas Pucka <mantas@8devices.com>
   3 Date: Tue, 23 Jan 2024 11:26:09 +0200
   4 Subject: [PATCH] clk: qcom: gcc-ipq6018: add qdss_at clock needed for wifi
   5  operation
   6
   7 Without it system hangs upon wifi firmware load. It should be enabled by
   8 remoteproc/wifi driver. Bindings already exist for it, so add it based
   9 on vendor code.
  10
  11 Signed-off-by: Mantas Pucka <mantas@8devices.com>
  12 Link: https://lore.kernel.org/r/1706001970-26032-1-git-send-email-mantas@8devices.com
  13 Signed-off-by: Bjorn Andersson <andersson@kernel.org>
  14 ---
  15  drivers/clk/qcom/gcc-ipq6018.c | 17 +++++++++++++++++
  16  1 file changed, 17 insertions(+)
  17
  18 --- a/drivers/clk/qcom/gcc-ipq6018.c
  19 +++ b/drivers/clk/qcom/gcc-ipq6018.c
  20 @@ -3523,6 +3523,22 @@ static struct clk_branch gcc_prng_ahb_cl
  21         },
  22  };
  23
  24 +static struct clk_branch gcc_qdss_at_clk = {
  25 +       .halt_reg = 0x29024,
  26 +       .clkr = {
  27 +               .enable_reg = 0x29024,
  28 +               .enable_mask = BIT(0),
  29 +               .hw.init = &(struct clk_init_data){
  30 +                       .name = "gcc_qdss_at_clk",
  31 +                       .parent_hws = (const struct clk_hw *[]){
  32 +                               &qdss_at_clk_src.clkr.hw },
  33 +                       .num_parents = 1,
  34 +                       .flags = CLK_SET_RATE_PARENT,
  35 +                       .ops = &clk_branch2_ops,
  36 +               },
  37 +       },
  38 +};
  39 +
  40  static struct clk_branch gcc_qdss_dap_clk = {
  41         .halt_reg = 0x29084,
  42         .clkr = {
  43 @@ -4362,6 +4378,7 @@ static struct clk_regmap *gcc_ipq6018_cl
  44         [GCC_SYS_NOC_PCIE0_AXI_CLK] = &gcc_sys_noc_pcie0_axi_clk.clkr,
  45         [GCC_PCIE0_PIPE_CLK] = &gcc_pcie0_pipe_clk.clkr,
  46         [GCC_PRNG_AHB_CLK] = &gcc_prng_ahb_clk.clkr,
  47 +       [GCC_QDSS_AT_CLK] = &gcc_qdss_at_clk.clkr,
  48         [GCC_QDSS_DAP_CLK] = &gcc_qdss_dap_clk.clkr,
  49         [GCC_QPIC_AHB_CLK] = &gcc_qpic_ahb_clk.clkr,
  50         [GCC_QPIC_CLK] = &gcc_qpic_clk.clkr,