pwm: Imagination Technologies PWM DAC driver
The Pistachio SOC from Imagination Technologies includes a Pulse Width
Modulation DAC which produces 1 to 4 digital bit-outputs which represent
digital waveforms. These PWM outputs are primarily in charge of controlling
backlight LED devices.
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Naidu Tellapati <Naidu.Tellapati@imgtec.com>
Signed-off-by: Sai Masarapu <Sai.Masarapu@imgtec.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Reviewed-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
[thierry.reding: fixup license header as discussed on list]
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 1ba937fb..b1541f4 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -131,6 +131,19 @@
To compile this driver as a module, choose M here: the module
will be called pwm-fsl-ftm.
+config PWM_IMG
+ tristate "Imagination Technologies PWM driver"
+ depends on HAS_IOMEM
+ depends on MFD_SYSCON
+ depends on COMMON_CLK
+ depends on MIPS || COMPILE_TEST
+ help
+ Generic PWM framework driver for Imagination Technologies
+ PWM block which supports 4 channels.
+
+ To compile this driver as a module, choose M here: the module
+ will be called pwm-img
+
config PWM_IMX
tristate "i.MX PWM support"
depends on ARCH_MXC