linux-kernel - Re: [PATCH V3 5/9] clk: qcom: add Global Clock controller (GCC) driver for IPQ5332 SoC

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Message-ID: <e59d133e-40a9-0dae-b272-20d82e8c9b76@quicinc.com>
Date:   Tue, 7 Feb 2023 10:01:55 +0530
From:   Kathiravan T <quic_kathirav@...cinc.com>
To:     Bjorn Andersson <andersson@...nel.org>
CC:     <krzysztof.kozlowski@...aro.org>, <agross@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <linus.walleij@...aro.org>,
        <catalin.marinas@....com>, <will@...nel.org>,
        <shawnguo@...nel.org>, <arnd@...db.de>,
        <dmitry.baryshkov@...aro.org>, <marcel.ziswiler@...adex.com>,
        <nfraprado@...labora.com>, <robimarko@...il.com>,
        <quic_gurus@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <quic_varada@...cinc.com>,
        <quic_srichara@...cinc.com>
Subject: Re: [PATCH V3 5/9] clk: qcom: add Global Clock controller (GCC)
 driver for IPQ5332 SoC

Thanks Bjorn for the review!


On 2/7/2023 9:11 AM, Bjorn Andersson wrote:
> On Mon, Feb 06, 2023 at 12:42:13PM +0530, Kathiravan T wrote:
>> diff --git a/drivers/clk/qcom/gcc-ipq5332.c b/drivers/clk/qcom/gcc-ipq5332.c
> [..]
>> +
>> +enum {
>> +	DT_SLEEP_CLK,
>> +	DT_XO,
>> +	DT_PCIE_2LANE_PHY_PIPE_CLK,
>> +	DT_PCIE_2LANE_PHY_PIPE_X1_CLK,
>> +	DT_USB_PCIE_WRAPPER_PIPE_CLK,
> This list does not match the clocks as defined in the binding.


Ack. will fix this in next spin.


>
>> +};
>> +
>> +enum {
>> +	P_PCIE3X2_PIPE,
>> +	P_PCIE3X1_0_PIPE,
>> +	P_PCIE3X1_1_PIPE,
>> +	P_USB3PHY_0_PIPE,
>> +	P_CORE_BI_PLL_TEST_SE,
>> +	P_GCC_GPLL0_OUT_MAIN_DIV_CLK_SRC,
>> +	P_GPLL0_OUT_AUX,
>> +	P_GPLL0_OUT_MAIN,
>> +	P_GPLL2_OUT_AUX,
>> +	P_GPLL2_OUT_MAIN,
>> +	P_GPLL4_OUT_AUX,
>> +	P_GPLL4_OUT_MAIN,
>> +	P_SLEEP_CLK,
>> +	P_XO,
>> +};
>> +
>> +static const struct clk_parent_data gcc_parent_data_xo = { .index = DT_XO };
>> +
>> +static struct clk_alpha_pll gpll0_main = {
>> +	.offset = 0x20000,
>> +	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_STROMER_PLUS],
>> +	.clkr = {
>> +		.enable_reg = 0xb000,
>> +		.enable_mask = BIT(0),
>> +		.hw.init = &(const struct clk_init_data){
> Please add a space between ')' and '{ on all these.


Ack.


>
>> +			.name = "gpll0_main",
>> +			.parent_data = &gcc_parent_data_xo,
>> +			.num_parents = 1,
>> +			.ops = &clk_alpha_pll_stromer_ops,
>> +		},
>> +	},
>> +};
> [..]
>> +static const struct qcom_cc_desc gcc_ipq5332_desc = {
>> +	.config = &gcc_ipq5332_regmap_config,
>> +	.clks = gcc_ipq5332_clocks,
>> +	.num_clks = ARRAY_SIZE(gcc_ipq5332_clocks),
>> +	.resets = gcc_ipq5332_resets,
>> +	.num_resets = ARRAY_SIZE(gcc_ipq5332_resets),
>> +	.clk_hws = gcc_ipq5332_hws,
>> +	.num_clk_hws = ARRAY_SIZE(gcc_ipq5332_hws),
> No GDSCs?

No, there is no GDSC support.


>
> Regards,
> Bjorn