diff mbox series

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

Message ID 20240620081427.2860066-6-quic_varada@quicinc.com (mailing list archive)
State Handled Elsewhere, archived
Headers show
Series Enable CPR for IPQ9574 | expand

Commit Message

Varadarajan Narayanan June 20, 2024, 8:14 a.m. UTC 
Add the CPR clock definition needed for enabling access to
CPR register space.

Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
---
 drivers/clk/qcom/gcc-ipq9574.c | 38 ++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

Comments

Dmitry Baryshkov June 20, 2024, 3:11 p.m. UTC | #1 
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@quicinc.com>
> ---
>  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?

> +			},
> +			.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
>
Varadarajan Narayanan June 21, 2024, 11:20 a.m. UTC | #2 
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@quicinc.com>
> > ---
> >  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
diff mbox series

Patch

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,
+			},
+			.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[] = {