[PATCH 2/2] ARM: S3C64XX: Add touchscreen platform device definition
Maurus Cuelenaere
mcuelenaere at gmail.com
Tue May 4 07:12:44 EDT 2010
This patch adds the touchscreen platform device definition for S3C64XX boards.
Signed-off-by: Maurus Cuelenaere <mcuelenaere at gmail.com>
---
arch/arm/mach-s3c64xx/Makefile | 1 +
arch/arm/mach-s3c64xx/dev-ts.c | 61 ++++++++++++++++++++++++++++++++++++++++
arch/arm/plat-samsung/Kconfig | 6 ++++
3 files changed, 68 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-s3c64xx/dev-ts.c
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index 3758e15..a690a9d 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -60,3 +60,4 @@ obj-y += dev-rtc.o
obj-y += dev-audio.o
obj-$(CONFIG_S3C_ADC) += dev-adc.o
obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
+obj-$(CONFIG_S3C64XX_DEV_TS) += dev-ts.o
diff --git a/arch/arm/mach-s3c64xx/dev-ts.c b/arch/arm/mach-s3c64xx/dev-ts.c
new file mode 100644
index 0000000..17cc793
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/dev-ts.c
@@ -0,0 +1,61 @@
+/* linux/arch/arm/mach-s3c64xx/dev-ts.c
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben at simtec.co.uk>, <ben-linux at fluff.org>
+ *
+ * Adapted by Maurus Cuelenaere for s3c64xx
+ *
+ * S3C64XX series device definition for touchscreen device
+ *
+ * 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.
+*/
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+#include <plat/ts.h>
+
+static struct resource s3c_ts_resource[] = {
+ [0] = {
+ .start = S3C64XX_PA_ADC,
+ .end = S3C64XX_PA_ADC + SZ_256 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_TC,
+ .end = IRQ_TC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device s3c_device_ts = {
+ .name = "s3c64xx-ts",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s3c_ts_resource),
+ .resource = s3c_ts_resource,
+};
+
+void __init s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *pd)
+{
+ struct s3c2410_ts_mach_info *npd;
+
+ if (!pd) {
+ printk(KERN_ERR "%s: no platform data\n", __func__);
+ return;
+ }
+
+ npd = kmemdup(pd, sizeof(struct s3c2410_ts_mach_info), GFP_KERNEL);
+ if (!npd)
+ printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+
+ s3c_device_ts.dev.platform_data = npd;
+}
+EXPORT_SYMBOL(s3c24xx_ts_set_platdata);
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index d552c65..5d3ef35 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -191,6 +191,12 @@ config S3C64XX_DEV_SPI
Compile in platform device definitions for S3C64XX's type
SPI controllers.
+config S3C64XX_DEV_TS
+ bool
+ help
+ Common in platform device definitions for S3C64XX touchscreen
+ device
+
# DMA
config S3C_DMA
--
1.7.1
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