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The Linux kernel configuration item CONFIG_GPIO_STP_XWAY
:
( CONFIG_SOC_XWAY || CONFIG_COMPILE_TEST ) && ( CONFIG_OF_GPIO )
This enables support for the Serial To Parallel (STP) unit found on XWAY SoC. The STP allows the SoC to drive a shift registers cascade, that can be up to 24 bits. This peripheral is aimed at driving LEDs. Some of the GPIOs/LEDs can be auto updated by the SoC with DSL and phy status.
Raw data from LKDDb:
lkddb of "" "" "lantiq,gpio-stp-xway" : CONFIG_GPIOLIB CONFIG_GPIO_STP_XWAY : drivers/gpio/gpio-stp-xway.c # in 4.8–4.20, 5.0–5.19, 6.0–6.11
lkddb of "" "" "lantiq,gpio-stp-xway" : CONFIG_GPIO_STP_XWAY : drivers/gpio/gpio-stp-xway.c # in 3.5–3.19, 4.0–4.7
lkddb platform "gpio-stp-xway" : CONFIG_GPIOLIB CONFIG_GPIO_STP_XWAY : drivers/gpio/gpio-stp-xway.c # in 4.8–4.20, 5.0–5.19, 6.0–6.11
lkddb platform "gpio-stp-xway" : CONFIG_GPIO_STP_XWAY : drivers/gpio/gpio-stp-xway.c # in 3.5–3.19, 4.0–4.7
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Automatically generated (in year 2024). See also LKDDb sources on GitLab