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Wed, 01 Apr 2026 09:35:22 -0700 (PDT) X-Received: by 2002:a17:903:2b0c:b0:2b0:ac1e:9720 with SMTP id d9443c01a7336-2b269cffdefmr43544125ad.23.1775061321745; Wed, 01 Apr 2026 09:35:21 -0700 (PDT) Received: from [192.168.0.195] ([49.204.30.146]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b27478b658sm2609885ad.31.2026.04.01.09.35.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Apr 2026 09:35:21 -0700 (PDT) Message-ID: Date: Wed, 1 Apr 2026 22:05:12 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC 3/4] clk: qcom: tcsrcc-glymur: Migrate tcsr_pcie_N_clkref_en to clk_ref common helper To: Qiang Yu , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , johan@kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260331-qref_vote-v1-0-3fd7fbf87864@oss.qualcomm.com> <20260331-qref_vote-v1-3-3fd7fbf87864@oss.qualcomm.com> Content-Language: en-US From: Taniya Das In-Reply-To: <20260331-qref_vote-v1-3-3fd7fbf87864@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=WMlyn3sR c=1 sm=1 tr=0 ts=69cd494b cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=UX8sLPG5SLFWA/DeEh7vkg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=1wW_Jg1dmpZ7RQPaF88A:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-GUID: _UWOH0pBlavwiisU4jeD0emKoLWN4Jzc X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAxMDE1NSBTYWx0ZWRfX3hr3rATsxs00 CnPnmaf93AOae4MmA8lZmBWwuxe3Ke+ZacX0tqINreHnclmiOYy8i51CTWA5+v4PUl6NTR26P6J ukEGkoXfNNTdQDJUjsPkC4ABh24f8L8HnqLs/E2XPbxiIVWqMRs8WHgRND0pKL4mU+Utw8t8s5+ RjZdusVyA+EQe6G7MkeIDszvcP6jUuH5icJV5gdqhPE+qtQ1x/Sdt9I8270FRvDOKYVa2N6hiZq znQp5LEDJjeBzZ3B988c8i17tjtLSULHZhxqMkjV9jkkVgZabDvJhUOna6T6FL4EHS1fcTPMAMt 5SjbontAMtTE5xMTmQF943Q1OGB0BoRnQKDxyxozGEwfHgOHtZRohw3OMtqMPusp7vzNCYv1slm aSD29brnD5DLvGGFlqV1NEutFgnKWCfyvL4Axo9Q1I3trB5WuQ80olW1qIs3scC4MDVU1lEJL0M cQfxJ2vY5ERtg++uL0Q== X-Proofpoint-ORIG-GUID: _UWOH0pBlavwiisU4jeD0emKoLWN4Jzc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_04,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 priorityscore=1501 phishscore=0 suspectscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604010155 On 4/1/2026 12:05 PM, Qiang Yu wrote: > Replace local clk_branch-based clkref definitions with descriptor-based > registration via qcom_clk_ref_probe(). > > This keeps the glymur driver focused on clock metadata and reuses common > runtime logic for regulator handling, enable/disable sequencing, and OF > provider wiring. > > Signed-off-by: Qiang Yu > --- > drivers/clk/qcom/tcsrcc-glymur.c | 340 +++++++++++---------------------------- > 1 file changed, 93 insertions(+), 247 deletions(-) > > diff --git a/drivers/clk/qcom/tcsrcc-glymur.c b/drivers/clk/qcom/tcsrcc-glymur.c > index 9c0edebcdbb12816d1be5249e4f04bcaf02048aa..585f87b23af2d92daef1787b2f38911681c0d8ee 100644 > --- a/drivers/clk/qcom/tcsrcc-glymur.c > +++ b/drivers/clk/qcom/tcsrcc-glymur.c > @@ -4,265 +4,115 @@ > */ > > #include > +#include > #include > #include > +#include > #include > #include > > #include > > -#include "clk-alpha-pll.h" > -#include "clk-branch.h" > -#include "clk-pll.h" > -#include "clk-rcg.h" > -#include "clk-regmap.h" > -#include "clk-regmap-divider.h" > -#include "clk-regmap-mux.h" > -#include "common.h" > -#include "gdsc.h" > -#include "reset.h" > - > -enum { > - DT_BI_TCXO_PAD, > -}; > - > -static struct clk_branch tcsr_edp_clkref_en = { > - .halt_reg = 0x60, > - .halt_check = BRANCH_HALT_DELAY, > - .clkr = { > - .enable_reg = 0x60, > - .enable_mask = BIT(0), > - .hw.init = &(const struct clk_init_data) { > - .name = "tcsr_edp_clkref_en", > - .parent_data = &(const struct clk_parent_data){ > - .index = DT_BI_TCXO_PAD, > - }, > - .num_parents = 1, > - .ops = &clk_branch2_ops, > - }, > +static const char * const tcsr_pcie_1_regulators[] = { > + "vdda-refgen-0p9", > + "vdda-refgen-1p2", > + "vdda-qrefrx5-0p9", > + "vdda-qreftx0-0p9", > + "vdda-qreftx0-1p2", > +}; > + > +static const char * const tcsr_pcie_2_regulators[] = { > + "vdda-refgen-0p9", > + "vdda-refgen-1p2", > + "vdda-qreftx1-0p9", > + "vdda-qrefrpt0-0p9", > + "vdda-qrefrpt1-0p9", > + "vdda-qrefrpt2-0p9", > + "vdda-qrefrx2-0p9", > +}; > + > +static const char * const tcsr_pcie_3_regulators[] = { > + "vdda-refgen-0p9", > + "vdda-refgen-1p2", > + "vdda-qreftx1-0p9", > + "vdda-qrefrpt0-0p9", > + "vdda-qrefrpt1-0p9", > + "vdda-qrefrx1-0p9", > +}; > + > +static const char * const tcsr_pcie_4_regulators[] = { > + "vdda-refgen-0p9", > + "vdda-refgen-1p2", > + "vdda-qreftx1-0p9", > + "vdda-qrefrpt0-0p9", > + "vdda-qrefrpt1-0p9", > + "vdda-qrefrpt2-0p9", > + "vdda-qrefrx2-0p9", > +}; > + TCSR clock refs are just not for PCIe alone, they would have supplies for all the ref clocks. These supplies can also be shared across other clock refs. I think it is not the correct way to handle the supplies, as TCSR does not have the complete supplies map. > +static const struct qcom_clk_ref_desc tcsr_cc_glymur_clk_descs[] = { > + [TCSR_EDP_CLKREF_EN] = { > + .name = "tcsr_edp_clkref_en", > + .offset = 0x60, > }, > -}; > -- Thanks, Taniya Das