Re: [PATCH 0/4] Add I2C support on TH1520

From: Drew Fustini <drew@pdp7.com>
To: Conor Dooley <conor.dooley@microchip.com>
Cc: Thomas Bonnefille <thomas.bonnefille@bootlin.com>,
	jszhang@kernel.org, guoren@kernel.org, wefu@redhat.com,
	andi.shyti@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
	conor+dt@kernel.org, miquel.raynal@bootlin.com,
	thomas.petazzoni@bootlin.com, linux-riscv@lists.infradead.org,
	linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
	paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu,
	Emil Renner Berthing <emil.renner.berthing@canonical.com>,
	Drew Fustini <dfustini@tenstorrent.com>
Subject: Re: [PATCH 0/4] Add I2C support on TH1520
Date: Thu, 25 Apr 2024 08:10:57 -0700	[thread overview]
Message-ID: <ZipygSDkbuFWq6q2@x1> (raw)
In-Reply-To: <20240425-boxcar-maroon-f07c5aba9272@wendy>

On Thu, Apr 25, 2024 at 10:00:10AM +0100, Conor Dooley wrote:
> On Thu, Apr 25, 2024 at 10:21:31AM +0200, Thomas Bonnefille wrote:
> > This adds I2C support in the device tree of the T-Head TH1520 RISCV-SoC
> > and a default configuration for the BeagleV-Ahead. It appears that the
> > TH1520 I2C is already supported in the upstream kernel through the
> > Synopsis Designware I2C adapter driver.
> 
> > As there is no clock driver for this board as of today, this patch
> > series uses a fixed-clock named i2c_ic_clk.
> > There is also no pinctrl driver yet so pinmux must be handled manually
> > for now.
> 
> https://lore.kernel.org/linux-riscv/20240103132852.298964-1-emil.renner.berthing@canonical.com/
> https://lore.kernel.org/linux-riscv/20240110-clk-th1520-v1-0-8b0682567984@tenstorrent.com/
> 
> These seem to be the most recent versions of each. I guess they're both
> just waiting for their authors to have the time to get another version
> written.

Thanks for the impetus. I've been meaning to post but it keeps getting
pushed down the stack.

I'll post an updated clk series today. I do now have the emmc working
with a real clock property.

thanks,
drew