[v7,5/7] clk: qcom: gcc-ipq9574: Add CPR clock definition

Commit Message

Varadarajan Narayanan Aug. 20, 2024, 5:57 a.m. UTC

Add the CPR clock definition needed for enabling access to
CPR register space.

Reviewed-by: Dmitry Baryshkov <[e-mail]>
Signed-off-by: Varadarajan Narayanan <[e-mail]>
---
 drivers/clk/qcom/gcc-ipq9574.c | 39 ++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

Comments

Stephen Boyd Aug. 28, 2024, 8:26 p.m. UTC | #1

Quoting Varadarajan Narayanan (2024-08-19 22:57:03)
> diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c
> index 80fc94d705a0..058cde71b202 100644
> --- a/drivers/clk/qcom/gcc-ipq9574.c
> +++ b/drivers/clk/qcom/gcc-ipq9574.c
> @@ -3997,6 +3997,43 @@ 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){

Please mark these clk_init_data structures as const. 

> +               .name = "rbcpr_clk_src",
> +               .parent_data = gcc_xo_gpll0_gpll4,

Patch

diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c
index 80fc94d705a0..058cde71b202 100644
--- a/drivers/clk/qcom/gcc-ipq9574.c
+++ b/drivers/clk/qcom/gcc-ipq9574.c
@@ -3997,6 +3997,43 @@  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,
@@ -4222,6 +4259,8 @@  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_SRC] = &rbcpr_clk_src.clkr,
+	[GCC_RBCPR_CLK] = &gcc_rbcpr_clk.clkr,
 };
 
 static const struct qcom_reset_map gcc_ipq9574_resets[] = {