Thread (4 messages) 4 messages, 2 authors, 2018-08-23

Re: [PATCH 1/2] GPIO: add single-register gpio via creg driver

From: Randy Dunlap <hidden>
Date: 2018-08-23 15:08:40
Also in: linux-gpio, lkml

On 08/23/2018 08:00 AM, Eugeniy Paltsev wrote:
quoted hunk ↗ jump to hunk
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 71c0ab46f216..0f9cc1582cab 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -430,6 +430,15 @@ config GPIO_REG
 	  A 32-bit single register GPIO fixed in/out implementation.  This
 	  can be used to represent any register as a set of GPIO signals.
 
+config GPIO_SNPS_CREG
+	bool "GPIO via CREG (Control REGisers) driver"
	                             REGisters)
+	select OF_GPIO
+	help
+	  This driver supports GPIOs via CREG on various Synopsys SoCs.
+	  This is is single-register MMIO gpio driver for complex cases
	  This is a                  MMIO GPIO
+	  where only several fields in register belong to GPIO and
	                            in a register
+	  each GPIO owns field with different length and on/off values.
maybe:
	                 fields with different lengths
+
 config GPIO_SPEAR_SPICS
 	bool "ST SPEAr13xx SPI Chip Select as GPIO support"
 	depends on PLAT_SPEAR

-- 
~Randy
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