linux-kernel - Re: [PATCH 0/4] Add initial support for Rockchip RK3528 SoC

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Message-ID: <Zq8eJB7zqOvYQvmw@ziyaolaptop.my.domain>
Date: Sun, 4 Aug 2024 14:22:28 +0800
From: Yao Zi <ziyao@...root.org>
To: Dragan Simic <dsimic@...jaro.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Chris Morgan <macromorgan@...mail.com>,
	Jonas Karlman <jonas@...boo.se>, Tim Lunn <tim@...thertop.org>,
	Andy Yan <andyshrk@....com>,
	Muhammed Efe Cetin <efectn@...tonmail.com>,
	Jagan Teki <jagan@...eble.ai>, Ondrej Jirman <megi@....cz>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Subject: Re: [PATCH 0/4] Add initial support for Rockchip RK3528 SoC

On Sun, Aug 04, 2024 at 07:40:43AM +0200, Dragan Simic wrote:
> Hello all,
> 
> On 2024-08-03 14:55, Yao Zi wrote:
> > Rockchip RK3528 is a quad-core ARM Cortex-A53 SoC designed for
> > multimedia application. This series add a basic device tree with CPU,
> > interrupts and UART nodes for it and is able to boot into a kernel with
> > only UART console.
> > 
> > Has been tested on Radxa E20C board[1] with vendor U-boot, successfully
> > booted into initramfs with this log[2].
> 
> I wonder will at least the RK3528 datasheet become available publicly?

I found none for now, and I am not someone from Rockchip, thus don't
know whether they have a plan to make it public, either. But there has
been some devices shipping it already and getting them mainlined will
be a neat thing.

Just FYI, the vendor kernel is available here[1] on the "develop-5.10"
branch.

Best regards,
Yao Zi

[1]: https://github.com/rockchip-linux/kernel

> 
> > [1]: https://docs.radxa.com/en/e/e20c
> > [2]: https://gist.github.com/ziyao233/b74523a1e3e8bf36286a572e008ca319
> > 
> > Yao Zi (4):
> >   dt-bindings: serial: snps-dw-apb-uart: Document Rockchip RK3528
> >   dt-bindings: arm: rockchip: Add Radxa E20C board
> >   arm64: dts: rockchip: Add base DT for rk3528 SoC
> >   arm64: dts: rockchip: Add Radxa e20c board
> > 
> >  .../devicetree/bindings/arm/rockchip.yaml     |   5 +
> >  .../bindings/serial/snps-dw-apb-uart.yaml     |   1 +
> >  arch/arm64/boot/dts/rockchip/Makefile         |   1 +
> >  .../boot/dts/rockchip/rk3528-radxa-e20c.dts   |  22 +++
> >  arch/arm64/boot/dts/rockchip/rk3528.dtsi      | 182 ++++++++++++++++++
> >  5 files changed, 211 insertions(+)
> >  create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
> >  create mode 100644 arch/arm64/boot/dts/rockchip/rk3528.dtsi
> > 
> > 
> > base-commit: 94ede2a3e9135764736221c080ac7c0ad993dc2d