Re: [PATCH v1 5/7] clk: qcom: gcc-ipq9574: Add CPR clock definition

From: Varadarajan Narayanan
Date: Fri Jun 21 2024 - 07:21:09 EST


On Thu, Jun 20, 2024 at 06:11:32PM +0300, Dmitry Baryshkov wrote:
> On Thu, Jun 20, 2024 at 01:44:25PM GMT, Varadarajan Narayanan wrote:
> > Add the CPR clock definition needed for enabling access to
> > CPR register space.
> >
> > Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> > ---
> > drivers/clk/qcom/gcc-ipq9574.c | 38 ++++++++++++++++++++++++++++++++++
> > 1 file changed, 38 insertions(+)
> >
> > diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c
> > index e1dc74d04ed1..7c8eb94f654b 100644
> > --- a/drivers/clk/qcom/gcc-ipq9574.c
> > +++ b/drivers/clk/qcom/gcc-ipq9574.c
> > @@ -3994,6 +3994,43 @@ static struct clk_branch gcc_xo_div4_clk = {
> > },
> > };
> >
> > +static const struct freq_tbl ftbl_hmss_rbcpr_clk_src[] = {
> > + F(24000000, P_XO, 1, 0, 0),
> > + { }
> > +};
> > +
> > +static struct clk_rcg2 rbcpr_clk_src = {
> > + .cmd_rcgr = 0x48044,
> > + .mnd_width = 0,
> > + .hid_width = 5,
> > + .parent_map = gcc_xo_map,
> > + .freq_tbl = ftbl_gp1_clk_src,
> > + .clkr.hw.init = &(struct clk_init_data){
> > + .name = "rbcpr_clk_src",
> > + .parent_data = gcc_xo_gpll0_gpll4,
> > + .num_parents = ARRAY_SIZE(gcc_xo_map),
> > + .ops = &clk_rcg2_ops,
> > + },
> > +};
> > +
> > +static struct clk_branch gcc_rbcpr_clk = {
> > + .halt_reg = 0x48008,
> > + .halt_check = BRANCH_HALT,
> > + .clkr = {
> > + .enable_reg = 0x48008,
> > + .enable_mask = BIT(0),
> > + .hw.init = &(struct clk_init_data){
> > + .name = "gcc_rbcpr_clk",
> > + .parent_hws = (const struct clk_hw *[]) {
> > + &rbcpr_clk_src.clkr.hw,
>
> Where is the &rbcpr_clk_src registered?

Oops. Missed it. Will post a corrected patch.

Thanks
Varada

> > + },
> > + .num_parents = 1,
> > + .flags = CLK_SET_RATE_PARENT,
> > + .ops = &clk_branch2_ops,
> > + },
> > + },
> > +};
> > +
> > static struct clk_hw *gcc_ipq9574_hws[] = {
> > &gpll0_out_main_div2.hw,
> > &gcc_xo_div4_clk_src.hw,
> > @@ -4219,6 +4256,7 @@ static struct clk_regmap *gcc_ipq9574_clks[] = {
> > [GCC_PCIE1_PIPE_CLK] = &gcc_pcie1_pipe_clk.clkr,
> > [GCC_PCIE2_PIPE_CLK] = &gcc_pcie2_pipe_clk.clkr,
> > [GCC_PCIE3_PIPE_CLK] = &gcc_pcie3_pipe_clk.clkr,
> > + [GCC_RBCPR_CLK] = &gcc_rbcpr_clk.clkr,
> > };
> >
> > static const struct qcom_reset_map gcc_ipq9574_resets[] = {
> > --
> > 2.34.1