From: Vidya Sagar <vidyas@nvidia.com>
To: Manikanta Maddireddy <mmaddireddy@nvidia.com>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"lpieralisi@kernel.org" <lpieralisi@kernel.org>,
"kwilczynski@kernel.org" <kwilczynski@kernel.org>,
"mani@kernel.org" <mani@kernel.org>,
"robh@kernel.org" <robh@kernel.org>,
"krzk+dt@kernel.org" <krzk+dt@kernel.org>,
"conor+dt@kernel.org" <conor+dt@kernel.org>,
"thierry.reding@gmail.com" <thierry.reding@gmail.com>,
Jon Hunter <jonathanh@nvidia.com>,
"kishon@kernel.org" <kishon@kernel.org>,
"arnd@arndb.de" <arnd@arndb.de>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"Frank.Li@nxp.com" <Frank.Li@nxp.com>,
"den@valinux.co.jp" <den@valinux.co.jp>,
"hongxing.zhu@nxp.com" <hongxing.zhu@nxp.com>,
"jingoohan1@gmail.com" <jingoohan1@gmail.com>,
"cassel@kernel.org" <cassel@kernel.org>,
"18255117159@163.com" <18255117159@163.com>
Cc: "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v6 7/9] dt-bindings: PCI: tegra194: Add monitor clock support
Date: Fri, 27 Feb 2026 12:36:41 +0000 [thread overview]
Message-ID: <432d8a74-b954-42c1-92ba-2a401315f327@nvidia.com> (raw)
In-Reply-To: <20260223184538.3084753-8-mmaddireddy@nvidia.com>
On 24/02/26 00:15, Manikanta Maddireddy wrote:
> From: Vidya Sagar <vidyas@nvidia.com>
>
> Tegra supports PCIe core clock monitoring for any rate changes that may be
> happening because of the link speed changes. This is useful in tracking
> any changes in the core clock that are not initiated by the software.
>
> Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
> Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
> Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
> ---
> Changes V5 -> V6: None
> Changes V4 -> V5: Fixed clock description per review comment
> Changes V1 -> V4: None
>
> .../devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml | 6 +++++-
> .../devicetree/bindings/pci/nvidia,tegra194-pcie.yaml | 6 +++++-
> 2 files changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> index 6d6052a2748f..7805757f2e2d 100644
> --- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> @@ -55,12 +55,16 @@ properties:
> - const: intr
>
> clocks:
> + minItems: 1
> items:
> - - description: module clock
> + - description: core clock
> + - description: monitor clock
>
> clock-names:
> + minItems: 1
> items:
> - const: core
> + - const: core_m
>
> resets:
> items:
> diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
> index fe81d52c7277..41041ae7e0a4 100644
> --- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
> @@ -58,12 +58,16 @@ properties:
> - const: msi
>
> clocks:
> + minItems: 1
> items:
> - - description: module clock
> + - description: core clock
> + - description: monitor clock
>
> clock-names:
> + minItems: 1
> items:
> - const: core
> + - const: core_m
>
> resets:
> items:
Reviewed-by: Vidya Sagar <vidyas@nvidia.com>
next prev parent reply other threads:[~2026-02-27 12:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-23 18:45 [PATCH v6 0/9] Enhancements to pcie-tegra194 driver Manikanta Maddireddy
2026-02-23 18:45 ` [PATCH v6 1/9] PCI: tegra194: Drive CLKREQ signal low explicitly Manikanta Maddireddy
2026-02-27 12:35 ` Vidya Sagar
2026-03-02 23:34 ` Bjorn Helgaas
2026-03-03 6:51 ` Manikanta Maddireddy
2026-02-23 18:45 ` [PATCH v6 2/9] PCI: tegra194: Calibrate P2U for endpoint mode Manikanta Maddireddy
2026-02-27 12:35 ` Vidya Sagar
2026-02-23 18:45 ` [PATCH v6 3/9] PCI: tegra194: Remove IRQF_ONESHOT flag during Endpoint interrupt registration Manikanta Maddireddy
2026-02-27 12:35 ` Vidya Sagar
2026-02-23 18:45 ` [PATCH v6 4/9] PCI: tegra194: Enable DMA interrupt Manikanta Maddireddy
2026-02-27 12:36 ` Vidya Sagar
2026-02-23 18:45 ` [PATCH v6 5/9] PCI: tegra194: Enable hardware hot reset mode in Endpoint Manikanta Maddireddy
2026-02-27 12:36 ` Vidya Sagar
2026-02-23 18:45 ` [PATCH v6 6/9] PCI: tegra194: Disable L1.2 capability of Tegra234 EP Manikanta Maddireddy
2026-02-27 12:36 ` Vidya Sagar
2026-02-23 18:45 ` [PATCH v6 7/9] dt-bindings: PCI: tegra194: Add monitor clock support Manikanta Maddireddy
2026-02-27 12:36 ` Vidya Sagar [this message]
2026-02-23 18:45 ` [PATCH v6 8/9] PCI: tegra194: Add core " Manikanta Maddireddy
2026-02-27 12:36 ` Vidya Sagar
2026-02-23 18:45 ` [PATCH v6 9/9] PCI: tegra194: Add ASPM L1 entrance latency config Manikanta Maddireddy
2026-02-27 12:36 ` Vidya Sagar
2026-02-27 16:59 ` [PATCH v6 0/9] Enhancements to pcie-tegra194 driver Jon Hunter
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