ARM: SAMSUNG: Add new PWM platform device

This patch adds new samsung_device_pwm platform device that represents the whole PWM/timer block and includes memory and IRQ resources. Signed-off-by: Tomasz Figa <[email protected]> Reviewed-by: Sylwester Nawrocki <[email protected]> Tested-by: Heiko Stuebner <[email protected]> Tested-by: Mark Brown <[email protected]> Tested-by: Sylwester Nawrocki <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
rtvt123 · Aug 5, 2013 · 95e43d4 · 95e43d4
1 parent 49d9eab
commit 95e43d4
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diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
@@ -58,6 +58,7 @@
 #include <plat/keypad.h>
 #include <linux/platform_data/mmc-s3cmci.h>
 #include <linux/platform_data/mtd-nand-s3c2410.h>
+#include <plat/pwm-core.h>
 #include <plat/sdhci.h>
 #include <linux/platform_data/touchscreen-s3c2410.h>
 #include <linux/platform_data/usb-s3c2410_udc.h>
@@ -1127,6 +1128,22 @@ struct platform_device s3c_device_timer[] = {
 	[3] = { DEFINE_S3C_TIMER(3, IRQ_TIMER3) },
 	[4] = { DEFINE_S3C_TIMER(4, IRQ_TIMER4) },
 };
+
+static struct resource samsung_pwm_resource[] = {
+	DEFINE_RES_MEM(SAMSUNG_PA_TIMER, SZ_4K),
+};
+
+struct platform_device samsung_device_pwm = {
+	.name		= "samsung-pwm",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(samsung_pwm_resource),
+	.resource	= samsung_pwm_resource,
+};
+
+void __init samsung_pwm_set_platdata(struct samsung_pwm_variant *pd)
+{
+	samsung_device_pwm.dev.platform_data = pd;
+}
 #endif /* CONFIG_SAMSUNG_DEV_PWM */
 
 /* RTC */

diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
@@ -134,6 +134,7 @@ extern struct platform_device exynos4_device_spdif;
 
 extern struct platform_device samsung_asoc_idma;
 extern struct platform_device samsung_device_keypad;
+extern struct platform_device samsung_device_pwm;
 
 /* s3c2440 specific devices */
 

diff --git a/arch/arm/plat-samsung/include/plat/pwm-core.h b/arch/arm/plat-samsung/include/plat/pwm-core.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2013 Tomasz Figa <[email protected]>
+ *
+ * Samsung PWM controller platform data helpers.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_ARCH_PWM_CORE_H
+#define __ASM_ARCH_PWM_CORE_H __FILE__
+
+#include <clocksource/samsung_pwm.h>
+
+#ifdef CONFIG_SAMSUNG_DEV_PWM
+extern void samsung_pwm_set_platdata(struct samsung_pwm_variant *pd);
+#else
+static inline void samsung_pwm_set_platdata(struct samsung_pwm_variant *pd) { }
+#endif
+
+#endif /* __ASM_ARCH_PWM_CORE_H */