lkml.org 
[lkml]   [2021]   [Mar]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v6 0/2] Add Realtek Otto GPIO support
On Tue, Mar 30, 2021 at 7:48 PM Sander Vanheule <sander@svanheule.net> wrote:
>
> Add support for the GPIO controller employed by Realtek in multiple series of
> MIPS SoCs. These include the supported RTL838x and RTL839x. The register layout
> also matches the one found in the GPIO controller of other (Lexra-based) SoCs
> such as RTL8196E, RTL8197D, and RTL8197F.
>
> For the platform name 'otto', I am not aware of any official resources as to
> what hardware this specifically applies to. However, in all of the GPL archives
> we've received, from vendors using compatible SoCs in their design, the
> platform under the MIPS architecture is referred to by this name.
>
> The GPIO ports have been tested on a Zyxel GS1900-8 (RTL8380), and Zyxel
> GS1900-48 (RTL8393). Furthermore, the GPIO ports and interrupt controller have
> been tested on a Netgear GS110TPPv1 (RTL8381).
>
> Changes in v6:
> - Use devm_gpiochip_add_data()
> - Code style for reading ngpios, header order
> - Add Andy's Reviewed-by tag
>
> Changes in v5:
> - Edited code comments
> - Fold functions that were used only once or twice (ISR/IMR accessors)
> - Drop trivial functions for line to port/pin calculations
> - Use gpio_irq_chip->init_hw() to initialise IRQ registers
> - Invert GPIO_INTERRUPTS flag to GPIO_INTERRUPTS_DISABLED
> - Support building as module
> - Add Rob's Reviewed-by tag
>
> Changes in v4:
> - Fix pointer notation style
> - Drop unused read_u16_reg() function
> - Drop 'inline' specifier from functions
>
> Changes in v3:
> - Remove OF dependencies in driver probe
> - Don't accept IRQ_TYPE_NONE as a valid interrupt type
> - Remove (now unused) dev property from control structure
> - Use u8/u16 port registers, instead of raw u32 registers
> - Use 'line' name for gpiochip, 'port' and 'pin' names for hardware
> - Renamed DT bindings file
> - Dropped fallback-only DT compatible
> - Various code style clean-ups
>
> Changes in v2:
> - Clarify structure and usage of IMR registers
> - Added Linus' Reviewed-by tags
>
> Sander Vanheule (2):
> dt-bindings: gpio: Binding for Realtek Otto GPIO
> gpio: Add Realtek Otto GPIO support
>
> .../bindings/gpio/realtek,otto-gpio.yaml | 78 +++++
> drivers/gpio/Kconfig | 13 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-realtek-otto.c | 325 ++++++++++++++++++
> 4 files changed, 417 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpio/realtek,otto-gpio.yaml
> create mode 100644 drivers/gpio/gpio-realtek-otto.c
>
> --
> 2.30.2
>

Series applied, thanks!

Bartosz

\
 
 \ /
  Last update: 2021-03-31 09:51    [W:0.227 / U:1.800 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site