linux-kernel - Re: [PATCH 6/7] clk: qcom: gcc-ipq4019: move pcnoc clocks up

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Date:   Thu, 16 Feb 2023 11:41:29 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Robert Marko <robert.marko@...tura.hr>, andersson@...nel.org,
        agross@...nel.org, mturquette@...libre.com, sboyd@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     luka.perkov@...tura.hr
Subject: Re: [PATCH 6/7] clk: qcom: gcc-ipq4019: move pcnoc clocks up



On 14.02.2023 17:23, Robert Marko wrote:
> Move pcnoc clocks up just after PLL-s to be able to use their
> HW fields.
> 
> Signed-off-by: Robert Marko <robert.marko@...tura.hr>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  drivers/clk/qcom/gcc-ipq4019.c | 74 +++++++++++++++++-----------------
>  1 file changed, 37 insertions(+), 37 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-ipq4019.c b/drivers/clk/qcom/gcc-ipq4019.c
> index f4bc587131c20..f2728dc1e5521 100644
> --- a/drivers/clk/qcom/gcc-ipq4019.c
> +++ b/drivers/clk/qcom/gcc-ipq4019.c
> @@ -499,6 +499,43 @@ static struct clk_fepll gcc_fepllwcss5g_clk = {
>  	.pll_vco = &gcc_fepll_vco,
>  };
>  
> +static const struct freq_tbl ftbl_gcc_pcnoc_ahb_clk[] = {
> +	F(48000000,  P_XO,	 1, 0, 0),
> +	F(100000000, P_FEPLL200, 2, 0, 0),
> +	{ }
> +};
> +
> +static struct clk_rcg2 gcc_pcnoc_ahb_clk_src = {
> +	.cmd_rcgr = 0x21024,
> +	.hid_width = 5,
> +	.parent_map = gcc_xo_200_500_map,
> +	.freq_tbl = ftbl_gcc_pcnoc_ahb_clk,
> +	.clkr.hw.init = &(struct clk_init_data){
> +		.name = "gcc_pcnoc_ahb_clk_src",
> +		.parent_names = gcc_xo_200_500,
> +		.num_parents = 3,
> +		.ops = &clk_rcg2_ops,
> +	},
> +};
> +
> +static struct clk_branch pcnoc_clk_src = {
> +	.halt_reg = 0x21030,
> +	.clkr = {
> +		.enable_reg = 0x21030,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(struct clk_init_data){
> +			.name = "pcnoc_clk_src",
> +			.parent_names = (const char *[]){
> +				"gcc_pcnoc_ahb_clk_src",
> +			},
> +			.num_parents = 1,
> +			.ops = &clk_branch2_ops,
> +			.flags = CLK_SET_RATE_PARENT |
> +				CLK_IS_CRITICAL,
> +		},
> +	},
> +};
> +
>  static const struct freq_tbl ftbl_gcc_audio_pwm_clk[] = {
>  	F(48000000, P_XO, 1, 0, 0),
>  	F(200000000, P_FEPLL200, 1, 0, 0),
> @@ -1541,43 +1578,6 @@ static struct clk_branch gcc_wcss5g_rtc_clk = {
>  	},
>  };
>  
> -static const struct freq_tbl ftbl_gcc_pcnoc_ahb_clk[] = {
> -	F(48000000,  P_XO,	 1, 0, 0),
> -	F(100000000, P_FEPLL200, 2, 0, 0),
> -	{ }
> -};
> -
> -static struct clk_rcg2 gcc_pcnoc_ahb_clk_src = {
> -	.cmd_rcgr = 0x21024,
> -	.hid_width = 5,
> -	.parent_map = gcc_xo_200_500_map,
> -	.freq_tbl = ftbl_gcc_pcnoc_ahb_clk,
> -	.clkr.hw.init = &(struct clk_init_data){
> -		.name = "gcc_pcnoc_ahb_clk_src",
> -		.parent_names = gcc_xo_200_500,
> -		.num_parents = 3,
> -		.ops = &clk_rcg2_ops,
> -	},
> -};
> -
> -static struct clk_branch pcnoc_clk_src = {
> -	.halt_reg = 0x21030,
> -	.clkr = {
> -		.enable_reg = 0x21030,
> -		.enable_mask = BIT(0),
> -		.hw.init = &(struct clk_init_data){
> -			.name = "pcnoc_clk_src",
> -			.parent_names = (const char *[]){
> -				"gcc_pcnoc_ahb_clk_src",
> -			},
> -			.num_parents = 1,
> -			.ops = &clk_branch2_ops,
> -			.flags = CLK_SET_RATE_PARENT |
> -				CLK_IS_CRITICAL,
> -		},
> -	},
> -};
> -
>  static struct clk_regmap *gcc_ipq4019_clocks[] = {
>  	[AUDIO_CLK_SRC] = &audio_clk_src.clkr,
>  	[BLSP1_QUP1_I2C_APPS_CLK_SRC] = &blsp1_qup1_i2c_apps_clk_src.clkr,