linux-kernel - Re: [PATCH v2] arm64: dts: rockchip: add attiny_rst

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Message-ID: <172769365129.1880381.55263225152675030.b4-ty@sntech.de>
Date: Mon, 30 Sep 2024 12:55:41 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: Jakob Unterwurzacher <jakobunt@...il.com>,
	quentin.schulz@...rry.de
Cc: Heiko Stuebner <heiko@...ech.de>,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Jakob Unterwurzacher <jakob.unterwurzacher@...rry.de>
Subject: Re: [PATCH v2] arm64: dts: rockchip: add attiny_rst_gate to Ringneck

On Thu, 26 Sep 2024 15:20:30 +0200, Jakob Unterwurzacher wrote:
> Ringneck v1.4 can contain (placement option) an on-board ATtiny
> microcontroller instead of an STM32. In normal operation, this
> is transparent to the software, as both microcontrollers emulate
> the same ICs (amc6821 and isl1208).
> 
> For flashing the ATtiny, the SWITCH_REG1 regulator of the board's PMIC is
> used to enable the ATtiny UPDI debug interface. If the STM32 is placed, or if
> we are running on an older Ringneck revision, SWITCH_REG1 is not connected
> and has no effect.
> 
> [...]

Applied, thanks!

[1/1] arm64: dts: rockchip: add attiny_rst_gate to Ringneck
      commit: 1871e6f7c5e606b97708af50a7fec83a904a761b

Best regards,
-- 
Heiko Stuebner <heiko@...ech.de>