mbox series

[V6,0/3] Added Standard mode and SMBus support.

Message ID 1676467944-17426-1-git-send-email-manikanta.guntupalli@amd.com
Headers show
Series Added Standard mode and SMBus support. | expand

Message

Manikanta Guntupalli Feb. 15, 2023, 1:32 p.m. UTC 
-Add 'xlnx,axi-iic-2.1' new IP version support.
-Add dynamic SCL frequency configuration support.

Raviteja Narayanam (3):
  dt-bindings: i2c: xiic: Add 'xlnx,axi-iic-2.1' to compatible
  i2c: xiic: Update compatible with new IP version
  i2c: xiic: Add SCL frequency configuration support
---
Changes for v6:
Add enum for clock-frequency in xlnx,xps-iic-2.00.a.yaml
Changes for v5:
Update description and add default value details for clock-frequency
in xlnx,xps-iic-2.00.a.yaml
Changes since v4:
First 6 patches of "Added Standard mode and SMBus support" series applied
to for-next
https://lore.kernel.org/linux-arm-kernel/1675330898-563-1-git-send-email-manikanta.guntupalli@amd.com/

 .../bindings/i2c/xlnx,xps-iic-2.00.a.yaml     |  11 +-
 drivers/i2c/busses/i2c-xiic.c                 | 149 ++++++++++++++++++
 2 files changed, 159 insertions(+), 1 deletion(-)

Comments

Wolfram Sang Feb. 17, 2023, 9:44 p.m. UTC | #1 
On Wed, Feb 15, 2023 at 07:02:22PM +0530, Manikanta Guntupalli wrote:
> From: Raviteja Narayanam <raviteja.narayanam@xilinx.com>
> 
> Add xilinx I2C new version 'xlnx,axi-iic-2.1' string to compatible.
> Add clock-frequency as optional property.
> 
> Signed-off-by: Raviteja Narayanam <raviteja.narayanam@xilinx.com>
> Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
> Acked-by: Michal Simek <michal.simek@amd.com>

Applied to for-next, thanks!
Wolfram Sang Feb. 17, 2023, 9:45 p.m. UTC | #2 
On Wed, Feb 15, 2023 at 07:02:24PM +0530, Manikanta Guntupalli wrote:
> From: Raviteja Narayanam <raviteja.narayanam@xilinx.com>
> 
> From 'clock-frequency' device tree property, configure I2C SCL
> frequency by calculating the timing register values according to
> input clock.
> 
> After soft reset in reinit function, the timing registers are set
> to default values (configured in design tool). So, setting SCL
> frequency is done inside reinit function after the soft reset.
> This allows configuration of SCL frequency exclusively through
> software via device tree property, overriding the design.
> If the clock-frequency parameter is not specified in DT, driver
> doesn't configure frequency, making it backward compatible.
> 
> Signed-off-by: Raviteja Narayanam <raviteja.narayanam@xilinx.com>
> Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
> Acked-by: Michal Simek <michal.simek@amd.com>

Applied to for-next, thanks!