linux-kernel - Re: [PATCH V2 3/5] clk: qcom: gcc-qdu1000: Update GCC clocks as per the latest hw version

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Date:   Wed, 28 Jun 2023 13:06:53 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Imran Shaik <quic_imrashai@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Taniya Das <quic_tdas@...cinc.com>,
        Melody Olvera <quic_molvera@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
        Ajit Pandey <quic_ajipan@...cinc.com>
Subject: Re: [PATCH V2 3/5] clk: qcom: gcc-qdu1000: Update GCC clocks as per
 the latest hw version

On 28.06.2023 11:28, Imran Shaik wrote:
> Add support for gcc_ddrss_ecpri_gsi_clk and update the GCC clkref clocks
> as per the latest hardware version of QDU1000 and QRU100 SoCs.
> 
> Co-developed-by: Taniya Das <quic_tdas@...cinc.com>
> Signed-off-by: Taniya Das <quic_tdas@...cinc.com>
> Signed-off-by: Imran Shaik <quic_imrashai@...cinc.com>
> ---
> Changes since v1:
>  - Newly added
> 
>  drivers/clk/qcom/gcc-qdu1000.c | 32 ++++++++++++++++++++++++++------
>  1 file changed, 26 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-qdu1000.c b/drivers/clk/qcom/gcc-qdu1000.c
> index c00d26a3e6df..991fb2bc97e9 100644
> --- a/drivers/clk/qcom/gcc-qdu1000.c
> +++ b/drivers/clk/qcom/gcc-qdu1000.c
> @@ -1131,6 +1131,26 @@ static struct clk_branch gcc_ddrss_ecpri_dma_clk = {
>  	},
>  };
>  
> +static struct clk_branch gcc_ddrss_ecpri_gsi_clk = {
> +	.halt_reg = 0x54298,
> +	.halt_check = BRANCH_HALT_VOTED,
> +	.hwcg_reg = 0x54298,
> +	.hwcg_bit = 1,
> +	.clkr = {
> +		.enable_reg = 0x54298,
> +		.enable_mask = BIT(0),
> +		.hw.init = &(const struct clk_init_data) {
> +			.name = "gcc_ddrss_ecpri_gsi_clk",
> +			.parent_hws = (const struct clk_hw*[]) {
> +				&gcc_aggre_noc_ecpri_gsi_clk_src.clkr.hw,
> +			},
> +			.num_parents = 1,
> +			.flags = CLK_SET_RATE_PARENT,
> +			.ops = &clk_branch2_aon_ops,
> +		},
> +	},
> +};
> +
>  static struct clk_branch gcc_ecpri_ahb_clk = {
>  	.halt_reg = 0x3a008,
>  	.halt_check = BRANCH_HALT_VOTED,
> @@ -1447,14 +1467,13 @@ static struct clk_branch gcc_pcie_0_cfg_ahb_clk = {
>  
>  static struct clk_branch gcc_pcie_0_clkref_en = {
>  	.halt_reg = 0x9c004,
> -	.halt_bit = 31,
> -	.halt_check = BRANCH_HALT_ENABLE,
> +	.halt_check = BRANCH_HALT,
>  	.clkr = {
>  		.enable_reg = 0x9c004,
>  		.enable_mask = BIT(0),
>  		.hw.init = &(const struct clk_init_data) {
>  			.name = "gcc_pcie_0_clkref_en",
> -			.ops = &clk_branch_ops,
> +			.ops = &clk_branch2_ops,
This sounds like a separate fix, clk_branch_ops seems to only concern
10+yo chips.

Konrad
>  		},
>  	},
>  };
> @@ -2274,14 +2293,13 @@ static struct clk_branch gcc_tsc_etu_clk = {
>  
>  static struct clk_branch gcc_usb2_clkref_en = {
>  	.halt_reg = 0x9c008,
> -	.halt_bit = 31,
> -	.halt_check = BRANCH_HALT_ENABLE,
> +	.halt_check = BRANCH_HALT,
>  	.clkr = {
>  		.enable_reg = 0x9c008,
>  		.enable_mask = BIT(0),
>  		.hw.init = &(const struct clk_init_data) {
>  			.name = "gcc_usb2_clkref_en",
> -			.ops = &clk_branch_ops,
> +			.ops = &clk_branch2_ops,
>  		},
>  	},
>  };
> @@ -2523,6 +2541,8 @@ static struct clk_regmap *gcc_qdu1000_clocks[] = {
>  	[GCC_AGGRE_NOC_ECPRI_GSI_CLK] = &gcc_aggre_noc_ecpri_gsi_clk.clkr,
>  	[GCC_PCIE_0_PHY_AUX_CLK_SRC] = &gcc_pcie_0_phy_aux_clk_src.clkr,
>  	[GCC_PCIE_0_PIPE_CLK_SRC] = &gcc_pcie_0_pipe_clk_src.clkr,
> +	[GCC_GPLL1_OUT_EVEN] = &gcc_gpll1_out_even.clkr,
> +	[GCC_DDRSS_ECPRI_GSI_CLK] = &gcc_ddrss_ecpri_gsi_clk.clkr,
>  };
>  
>  static const struct qcom_reset_map gcc_qdu1000_resets[] = {