kernel/linux.git/drivers/mfd/lpc_ich.c, branch linux-7.0.y

mfd: lpc_ich: Add another Gemini Lake ISA bridge PCI device-id

2024-12-17T13:17:25+00:00

On N4100 / N4120 Gemini Lake SoCs the ISA bridge PCI device-id is 31e8 rather the 3197 found on e.g. the N4000 / N4020. While at fix the existing GLK PCI-id table entry breaking the table being sorted by device-id. Signed-off-by: Hans de Goede Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20241114193808.110132-1-hdegoede@redhat.com Signed-off-by: Lee Jones

mfd: lpc_ich: Use ALIGN_DOWN() to obtain the start of the SPI base range

2024-02-23T14:58:00+00:00

Instead of open coding, use ALIGN_DOWN() for alignment. Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20231229145059.6138-1-ilpo.jarvinen@linux.intel.com Signed-off-by: Lee Jones

mfd: lpc_ich: Mark *_gpio_offsets data with const

2023-11-01T10:02:18+00:00

There is no reason why the GPIO resource offsets should not be const. Mark them accordingly and update a qualifier in struct lpc_ich_gpio_info definition. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20231024160650.3898959-1-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones

mfd: lpc_ich: Add a platform device for pinctrl Denverton

2023-11-01T10:02:13+00:00

This is to cater the need in non-ACPI system whereby a platform device has to be created in order to bind with the Denverton pinctrl driver. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230926190834.932233-4-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones

mfd: lpc_ich: Move APL GPIO resources to a custom structure

2023-11-01T10:02:13+00:00

We are expecting more platforms that want to instantiate the GPIO device via P2SB. For them prepare the custom structure and move Apollo Lake data there. Refactor the code accordingly. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230926190834.932233-3-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones

mfd: lpc_ich: Make struct lpc_ich_priv use enum for chipset member

2023-11-01T10:02:13+00:00

We have a specific enum for the supported chipsets. Make struct lpc_ich_priv use better type for the chipset member. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230926190834.932233-1-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones

mfd: Move from strlcpy with unused retval to strscpy

2022-09-28T15:17:39+00:00

Follow the advice of the below link and prefer 'strscpy' in this subsystem. Conversion is 1:1 because the return value is not used. Generated by a coccinelle script. Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/ Signed-off-by: Wolfram Sang Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/20220818210030.7012-1-wsa+renesas@sang-engineering.com

mfd: lpc_ich: Add support for pinctrl in non-ACPI system

2022-07-14T09:50:31+00:00

Add support for non-ACPI systems, such as system that uses Advanced Boot Loader (ABL) whereby a platform device has to be created in order to bind with pin control and GPIO. At the moment, Intel Apollo Lake In-Vehicle Infotainment (IVI) system requires a driver to hide and unhide P2SB to lookup P2SB BAR and pass the PCI BAR address to GPIO. Signed-off-by: Tan Jui Nee Co-developed-by: Andy Shevchenko Signed-off-by: Andy Shevchenko Tested-by: Henning Schild Acked-by: Hans de Goede Acked-by: Linus Walleij Signed-off-by: Lee Jones

mfd: lpc_ich: Switch to generic p2sb_bar()

2022-07-14T09:50:25+00:00

Instead of open coding p2sb_bar() functionality we are going to use generic library. There is one more user en route. This is more than just a clean-up. It also fixes a potential issue seen when SPI BAR is 64-bit. The current code works if and only if the PCI BAR of the hidden device is inside 4G address space. In case when firmware decides to go above 4G, we will get a wrong address. Signed-off-by: Andy Shevchenko Tested-by: Henning Schild Acked-by: Hans de Goede Acked-by: Linus Walleij Signed-off-by: Lee Jones

mfd: lpc_ich: Factor out lpc_ich_enable_spi_write()

2022-07-14T09:50:14+00:00

Factor out duplicate code to lpc_ich_enable_spi_write() helper function. Signed-off-by: Andy Shevchenko Tested-by: Henning Schild Acked-by: Hans de Goede Acked-by: Linus Walleij Signed-off-by: Lee Jones