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From: JC Kuo <jckuo@nvidia.com>
To: Rob Herring <robh@kernel.org>, <thierry.reding@gmail.com>
Cc: <gregkh@linuxfoundation.org>, <jonathanh@nvidia.com>,
	<kishon@ti.com>, <linux-tegra@vger.kernel.org>,
	<linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <nkristam@nvidia.com>
Subject: Re: [PATCH v4 10/16] dt-bindings: phy: tegra-xusb: Add nvidia,pmc prop
Date: Wed, 28 Oct 2020 17:18:00 +0800
Message-ID: <4d190cc1-d01d-9064-0b28-ed7f48858ebd@nvidia.com> (raw)
In-Reply-To: <20201019214046.GA3645734@bogus>

On 10/20/20 5:40 AM, Rob Herring wrote:
> On Fri, Oct 16, 2020 at 09:07:20PM +0800, JC Kuo wrote:
>> This commit describes the "nvidia,pmc" property for Tegra210 tegra-xusb
>> PHY driver. It is a phandle and specifier referring to the Tegra210
>> pmc@7000e400 node.
>>
>> Signed-off-by: JC Kuo <jckuo@nvidia.com>
>> ---
>> v4:
>>    new change to document "nvidia,pmc" prop
>>
>>  .../devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt      | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
>> index 38c5fa21f435..ea559baeb546 100644
>> --- a/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
>> +++ b/Documentation/devicetree/bindings/phy/nvidia,tegra124-xusb-padctl.txt
>> @@ -54,6 +54,7 @@ For Tegra210:
>>  - avdd-pll-uerefe-supply: PLLE reference PLL power supply. Must supply 1.05 V.
>>  - dvdd-pex-pll-supply: PCIe/USB3 PLL power supply. Must supply 1.05 V.
>>  - hvdd-pex-pll-e-supply: High-voltage PLLE power supply. Must supply 1.8 V.
>> +- nvidia,pmc: phandle and specifier referring to the Tegra210 pmc@7000e400 node.
> 
> 'Tegra210 pmc@7000e400' is kind of specific. Going to update this for 
> every address and chip?
> 
> If there's only one PMC, you can just find the compatible PMC node. Then 
> you don't need a DT update.
> 
> Rob
> 
Hi Rob,
Thanks for your review and suggestion. Yes, there is only one PMC node. You mean
I can retrieve the PMC node with the following code and if do do DT update is
not required, right?

	np = of_find_compatible_node(NULL, NULL, "nvidia,tegra210-pmc");

JC

  reply index

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-16 13:07 [PATCH v4 00/16] Tegra XHCI controller ELPG support JC Kuo
2020-10-16 13:07 ` [PATCH v4 01/16] clk: tegra: Add PLLE HW power sequencer control JC Kuo
2020-10-16 13:07 ` [PATCH v4 02/16] clk: tegra: Don't enable PLLE HW sequencer at init JC Kuo
2020-10-16 13:07 ` [PATCH v4 03/16] phy: tegra: xusb: Move usb3 port init for Tegra210 JC Kuo
2020-10-16 13:07 ` [PATCH v4 04/16] phy: tegra: xusb: tegra210: Do not reset UPHY PLL JC Kuo
2020-10-16 13:07 ` [PATCH v4 05/16] phy: tegra: xusb: Rearrange UPHY init on Tegra210 JC Kuo
2020-10-16 13:07 ` [PATCH v4 06/16] phy: tegra: xusb: Add Tegra210 lane_iddq operation JC Kuo
2020-10-16 13:07 ` [PATCH v4 07/16] phy: tegra: xusb: Add sleepwalk and suspend/resume JC Kuo
2020-10-16 13:07 ` [PATCH v4 08/16] soc/tegra: pmc: Provide USB sleepwalk register map JC Kuo
2020-10-16 13:07 ` [PATCH v4 09/16] arm64: tegra210: XUSB PADCTL add "nvidia,pmc" prop JC Kuo
2020-10-16 13:07 ` [PATCH v4 10/16] dt-bindings: phy: tegra-xusb: Add nvidia,pmc prop JC Kuo
2020-10-19 21:40   ` Rob Herring
2020-10-28  9:18     ` JC Kuo [this message]
2020-11-13 16:20     ` Thierry Reding
2020-11-19  5:28       ` JC Kuo
2020-10-16 13:07 ` [PATCH v4 11/16] phy: tegra: xusb: Add wake/sleepwalk for Tegra210 JC Kuo
2020-10-16 13:07 ` [PATCH v4 12/16] phy: tegra: xusb: Tegra210 host mode VBUS control JC Kuo
2020-10-16 13:07 ` [PATCH v4 13/16] phy: tegra: xusb: Add wake/sleepwalk for Tegra186 JC Kuo
2020-10-16 13:07 ` [PATCH v4 14/16] arm64: tegra210/tegra186/tegra194: XUSB PADCTL irq JC Kuo
2020-10-16 13:07 ` [PATCH v4 15/16] usb: host: xhci-tegra: Unlink power domain devices JC Kuo
2020-10-16 13:07 ` [PATCH v4 16/16] xhci: tegra: Enable ELPG for runtime/system PM JC Kuo
2020-10-27  6:10   ` kernel test robot
2020-11-13 16:44 ` [PATCH v4 00/16] Tegra XHCI controller ELPG support Thierry Reding
2020-11-17  6:14   ` JC Kuo

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