Re: [RFC PATCH v5 9/9] arm64: tegra: Add Tegra VI CSI support in device tree

From: Sowjanya Komatineni
Date: Tue Mar 24 2020 - 20:01:13 EST



On 3/24/20 3:48 PM, Dmitry Osipenko wrote:
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25.03.2020 00:04, Sowjanya Komatineni ÐÐÑÐÑ:
On 3/24/20 12:19 PM, Dmitry Osipenko wrote:
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23.03.2020 20:52, Sowjanya Komatineni ÐÐÑÐÑ:
...
+ pd_venc: venc {
+ clocks = <&tegra_car TEGRA210_CLK_VI>,
+ <&tegra_car TEGRA210_CLK_CSI>;
+ resets = <&mc TEGRA210_MC_RESET_VI>,
The MC resetting should be needed only for a hardware hot-resetting. It
should be wrong to add it to the power domain.
TRM recommends to do MC client hot-reset during VE power gate and ungate.
Could you please tell what TRM it is and what's the page#?
Tegra TX1 TRM Page 425, Section 12.2.7.14 Procedures for VE Power Domains