From b04b399d63063fa93bb09a75b6395971a4fcd2fe Mon Sep 17 00:00:00 2001
From: Kumar Gala <kumar.gala@linaro.org>
Date: Tue, 5 May 2020 05:46:57 -0500
Subject: [PATCH] drivers: pwm: nrfx: Convert to use DTS NODELABEL for instance
 detection

Move to using NODELABEL references to enable driver instances for
PWM0..3.  This will allow us to remove per-instance PWM Kconfig symbols.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
---
 drivers/pwm/Kconfig.nrfx | 8 ++++----
 drivers/pwm/pwm_nrfx.c   | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/pwm/Kconfig.nrfx b/drivers/pwm/Kconfig.nrfx
index 25e0666b4a8..f925a3fc692 100644
--- a/drivers/pwm/Kconfig.nrfx
+++ b/drivers/pwm/Kconfig.nrfx
@@ -6,9 +6,9 @@ config PWM_NRFX
 	default y
 	depends on HAS_HW_NRF_PWM0 || HAS_HW_NRF_PWM1 || \
 		   HAS_HW_NRF_PWM2 || HAS_HW_NRF_PWM3
-	select NRFX_PWM0 if PWM_0
-	select NRFX_PWM1 if PWM_1
-	select NRFX_PWM2 if PWM_2
-	select NRFX_PWM3 if PWM_3
+	select NRFX_PWM0 if "$(dt_nodelabel_enabled,pwm0)"
+	select NRFX_PWM1 if "$(dt_nodelabel_enabled,pwm1)"
+	select NRFX_PWM2 if "$(dt_nodelabel_enabled,pwm2)"
+	select NRFX_PWM3 if "$(dt_nodelabel_enabled,pwm3)"
 	help
 	  Enable support for nrfx Hardware PWM driver for nRF52 MCU series.
diff --git a/drivers/pwm/pwm_nrfx.c b/drivers/pwm/pwm_nrfx.c
index a786707a04a..599dc3f5114 100644
--- a/drivers/pwm/pwm_nrfx.c
+++ b/drivers/pwm/pwm_nrfx.c
@@ -422,18 +422,18 @@ static int pwm_nrfx_pm_control(struct device *dev,
 		      POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,	      \
 		      &pwm_nrfx_drv_api_funcs)
 
-#ifdef CONFIG_PWM_0
+#if DT_HAS_NODE(DT_NODELABEL(pwm0))
 PWM_NRFX_DEVICE(0);
 #endif
 
-#ifdef CONFIG_PWM_1
+#if DT_HAS_NODE(DT_NODELABEL(pwm1))
 PWM_NRFX_DEVICE(1);
 #endif
 
-#ifdef CONFIG_PWM_2
+#if DT_HAS_NODE(DT_NODELABEL(pwm2))
 PWM_NRFX_DEVICE(2);
 #endif
 
-#ifdef CONFIG_PWM_3
+#if DT_HAS_NODE(DT_NODELABEL(pwm3))
 PWM_NRFX_DEVICE(3);
 #endif