From: Randolph Sapp <rs@ti.com>
To: Nishanth Menon <nm@ti.com>
Cc: <vigneshr@ti.com>, <kristo@kernel.org>, <robh@kernel.org>,
<krzk+dt@kernel.org>, <conor+dt@kernel.org>, <d-gole@ti.com>,
<afd@ti.com>, <bb@ti.com>, <linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<detheridge@ti.com>, <matt.coster@imgtec.com>,
Michael Walle <mwalle@kernel.org>
Subject: Re: [PATCH 2/3] arm64: dts: ti: k3-am62p-j722s: enable the bxs-4-64
Date: Thu, 14 Aug 2025 15:40:26 -0500 [thread overview]
Message-ID: <DC2FWE35CXPV.YM6MK820R2PV@ti.com> (raw)
In-Reply-To: <20250813184229.dhgpqvi3b6aat46g@managing>
On Wed Aug 13, 2025 at 1:42 PM CDT, Nishanth Menon wrote:
> On 12:56-20250813, Randolph Sapp wrote:
> [...]
>
>> >> + reg = <0x00 0x0fd80000 0x00 0x80000>;
>> >> + clocks = <&k3_clks 237 1>;
>> >> + clock-names = "core";
>> >> + assigned-clocks = <&k3_clks 237 1>;
>> >> + assigned-clock-rates = <800000000>;
>
> btw, as per https://www.ti.com/lit/ds/symlink/tda4aen-q1.pdf (page 86)
> 720MHz when vdd_core is 0.75v (default)
> and 800MHz when vdd_core is 0.85v
>
> 0.85v is set in the board dts and higher OPPs are enabled depending on
> board capability.
>
> You might want to check the assigned-clock-rates based on data sheet,
> default should'nt need a assigned-clock-rate.
Are you suggesting that we set assigned-clock-rates in the board dts instead, or
do you just want to do away with assigned-clock-rates in general and eat the
perf difference?
next prev parent reply other threads:[~2025-08-14 20:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-08 23:25 [PATCH 1/3] arm64: dts: ti: k3-am62p: Fix memory ranges for GPU rs
2025-08-08 23:25 ` [PATCH 2/3] arm64: dts: ti: k3-am62p-j722s: enable the bxs-4-64 rs
2025-08-13 15:17 ` Nishanth Menon
2025-08-13 17:56 ` Randolph Sapp
2025-08-13 18:10 ` Nishanth Menon
2025-08-13 18:42 ` Nishanth Menon
2025-08-14 20:40 ` Randolph Sapp [this message]
2025-08-15 1:16 ` Nishanth Menon
2025-08-08 23:25 ` [PATCH 3/3] arm64: dts: ti: k3-j784s4-j742s2: " rs
2025-08-13 15:18 ` Nishanth Menon
2025-08-13 17:58 ` Randolph Sapp
2025-08-13 18:13 ` Nishanth Menon
2025-08-18 6:22 ` Michael Walle
2025-08-18 19:43 ` Randolph Sapp
2025-08-19 6:38 ` Michael Walle
2025-08-19 20:47 ` Randolph Sapp
2025-08-21 11:33 ` Nishanth Menon
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