MLK-25559-1 pwm: imx-rpchip: add pwm over rpmsg driver

Add pwm over rpmsg driver. Signed-off-by: Clark Wang <xiaoning.wang@nxp.com> Reviewed-by: Jun Li <jun.li@nxp.com>
Freescale · Jul 1, 2021 · 0e5079a · 0e5079a
1 parent 6e4162a
commit 0e5079a
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diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
@@ -408,6 +408,18 @@ config PWM_ROCKCHIP
 	  Generic PWM framework driver for the PWM controller found on
 	  Rockchip SoCs.
 
+config PWM_RPCHIP
+	tristate "PWM proxy chip over RPMSG"
+	depends on (ARCH_MXC || COMPILE_TEST) && RPMSG
+	help
+	  This driver can support virtual pwm-rpmsg function. So that
+	  Acore can use some TPM resources of Mcore on some SoC platforms.
+	  This driver provide a protocal to send pwm request through RPMSG to
+	  Mcore and control the TPM modules on Mcore.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called pwm-rpmsg-imx.
+
 config PWM_SAMSUNG
 	tristate "Samsung PWM support"
 	depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST

diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
@@ -38,6 +38,7 @@ obj-$(CONFIG_PWM_PXA)		+= pwm-pxa.o
 obj-$(CONFIG_PWM_RCAR)		+= pwm-rcar.o
 obj-$(CONFIG_PWM_RENESAS_TPU)	+= pwm-renesas-tpu.o
 obj-$(CONFIG_PWM_ROCKCHIP)	+= pwm-rockchip.o
+obj-$(CONFIG_PWM_RPCHIP)	+= pwm-rpmsg-imx.o
 obj-$(CONFIG_PWM_SAMSUNG)	+= pwm-samsung.o
 obj-$(CONFIG_PWM_SIFIVE)	+= pwm-sifive.o
 obj-$(CONFIG_PWM_SL28CPLD)	+= pwm-sl28cpld.o