[PATCH v3 0/3] Add I2C support on TH1520

Andi Shyti andi.shyti at kernel.org
Fri Jun 28 02:30:28 PDT 2024


Hi,

On Tue, Jun 18, 2024 at 09:42:37AM GMT, 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.
> 
> This patch depends on the clock patch from Drew Fustini
> Link: https://lore.kernel.org/linux-riscv/20240615-th1520-clk-v1-0-3ba4978c4d6b@tenstorrent.com
> and the pinctrl patch from Emil Renner Berthing
> Link: https://lore.kernel.org/linux-riscv/20240103132852.298964-1-emil.renner.berthing@canonical.com

I think after these two go in...

> Changed from v1:
> 1. Remove redundant example for Synopsis DesignWare-I2C bindings
> 2. Remove Node Ordering commit as it has already been taken
> 3. Remove EEPROM label
> 4. Rebase on pinctrl and clock driver patches
> 5. Add pinctrl configuration
> 6. Replaced the fixed-clock with a correct configuration
> 
> Changed from v2:
> 1. Reorder nodes to conserve ascending register node ordering
> 2. Add support for I2C2 as it probably use the same controller
> 3. Format comments to match kernel coding style
> 4. Reorder nodes to conserve alphabetical node ordering
> 6. Declare I2C2
> 6. Set pinctrl pull-up resistor to the highest value
> 
> Signed-off-by: Thomas Bonnefille <thomas.bonnefille at bootlin.com>
> ---
> Thomas Bonnefille (3):
>       dt-bindings: i2c: dw: Document compatible thead,th1520-i2c

... this goes throught i2c...

>       riscv: dts: thead: Add TH1520 I2C nodes
>       riscv: dts: thead: Enable I2C on the BeagleV-Ahead

... and these two go thrhough Conor's branches.

Do you mind sending a ping when Drew's patches are included in
the merge window? I can put the first patch on a special branch
to keep it under my watch.

Andi



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