linux-kernel - Re: [PATCH v2 10/10] clk: qcom: Add camcc clock driver for x1e80100

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Message-ID: <Za+n4zfzoZFhhLIa@linaro.org>
Date: Tue, 23 Jan 2024 13:49:55 +0200
From: Abel Vesa <abel.vesa@...aro.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Andy Gross <agross@...nel.org>, Bjorn Andersson <andersson@...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>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
	Rajendra Nayak <quic_rjendra@...cinc.com>
Subject: Re: [PATCH v2 10/10] clk: qcom: Add camcc clock driver for x1e80100

On 23-12-16 14:39:48, Konrad Dybcio wrote:
> On 14.12.2023 17:49, Abel Vesa wrote:
> > From: Rajendra Nayak <quic_rjendra@...cinc.com>
> > 
> > Add the camcc clock driver for x1e80100
> > 
> > Signed-off-by: Rajendra Nayak <quic_rjendra@...cinc.com>
> > Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> > ---
> [...]
> 
> > +enum {
> > +	DT_BI_TCXO,
> > +	DT_BI_TCXO_AO,
> > +	DT_SLEEP_CLK,
> > +};
> > +
> > +enum {
> > +	P_BI_TCXO,
> Please don't overload this define with DT_BI_TCXO_AO, add a new one
> for the active-only clock. Please also do this in other drivers in
> this series.

Nope, that needs to stay if we want to align the dt bindings between
SM8550, SM8650 and this. At least for dispcc. But I would like to have
the same dt schema for the rest of the clock controller drivers between
platforms that share basically the same ip block.

> 
> [...]
> 
> > +	clk_lucid_ole_pll_configure(&cam_cc_pll0, regmap, &cam_cc_pll0_config);
> > +	clk_lucid_ole_pll_configure(&cam_cc_pll1, regmap, &cam_cc_pll1_config);
> > +	clk_rivian_evo_pll_configure(&cam_cc_pll2, regmap, &cam_cc_pll2_config);
> > +	clk_lucid_ole_pll_configure(&cam_cc_pll3, regmap, &cam_cc_pll3_config);
> > +	clk_lucid_ole_pll_configure(&cam_cc_pll4, regmap, &cam_cc_pll4_config);
> > +	clk_lucid_ole_pll_configure(&cam_cc_pll6, regmap, &cam_cc_pll6_config);
> > +	clk_lucid_ole_pll_configure(&cam_cc_pll8, regmap, &cam_cc_pll8_config);
> Do we know whether these configure calls are actually necessary?
> > +
> > +	/*
> > +	 * Keep clocks always enabled:
> > +	 *	cam_cc_gdsc_clk
> > +	 *	cam_cc_sleep_clk
> > +	 */
> > +	regmap_update_bits(regmap, 0x13a9c, BIT(0), BIT(0));
> > +	regmap_update_bits(regmap, 0x13ab8, BIT(0), BIT(0));
> Please make the comments inline with each line
> 
> Konrad