openwrt/target/linux/s3c24xx/patches-2.6.24/1105-add-pcb-rev-sysfs.patch.patch

From b20fa9e7d54d8dfc40be78ccb4c5bafdfaf2ad15 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@openmoko.com>
Date: Sun, 13 Apr 2008 07:25:52 +0100
Subject: [PATCH] add-pcb-rev-sysfs.patch
 Signed-off-by: Andy Green <andy@openmoko.com>

---
 arch/arm/mach-s3c2440/mach-gta02.c      |    6 ++
 arch/arm/plat-s3c24xx/Makefile          |    6 ++-
 arch/arm/plat-s3c24xx/neo1973_version.c |   90 +++++++++++++++++++++++++++++++
 3 files changed, 101 insertions(+), 1 deletions(-)
 create mode 100644 arch/arm/plat-s3c24xx/neo1973_version.c

diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
index a2a63fe..3574375 100644
--- a/arch/arm/mach-s3c2440/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
@@ -372,6 +372,11 @@ int gta02_get_pcb_revision(void)
 	return u;
 }
 
+struct platform_device gta02_version_device = {
+	.name 		= "neo1973-version",
+	.num_resources	= 0,
+};
+
 
 static struct map_desc gta02_iodesc[] __initdata = {
 	{
@@ -724,6 +729,7 @@ static struct platform_device *gta02_devices[] __initdata = {
 	&s3c_device_ts,
 	&gta02_nor_flash,
 	&sc32440_fiq_device,
+	&gta02_version_device,
 };
 
 static struct s3c2410_nand_set gta02_nand_sets[] = {
diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
index e1686a0..e667105 100644
--- a/arch/arm/plat-s3c24xx/Makefile
+++ b/arch/arm/plat-s3c24xx/Makefile
@@ -28,4 +28,8 @@ obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_PM)		+= sleep.o
 obj-$(CONFIG_S3C2410_DMA)	+= dma.o
 obj-$(CONFIG_MACH_SMDK)		+= common-smdk.o
-obj-$(CONFIG_MACH_NEO1973)	+= neo1973_pm_host.o neo1973_pm_gsm.o neo1973_pm_gps.o neo1973_pm_bt.o
+obj-$(CONFIG_MACH_NEO1973)	+= neo1973_version.o \
+				   neo1973_pm_host.o \
+				   neo1973_pm_gsm.o \
+				   neo1973_pm_gps.o \
+				   neo1973_pm_bt.o
diff --git a/arch/arm/plat-s3c24xx/neo1973_version.c b/arch/arm/plat-s3c24xx/neo1973_version.c
new file mode 100644
index 0000000..ad41a0f
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/neo1973_version.c
@@ -0,0 +1,90 @@
+/*
+ * PCB version sysfs for the FIC Neo1973 GSM Phone
+ *
+ * (C) 2007 by OpenMoko Inc.
+ * Author: Andy Green <andy@openmoko.com>
+ * All rights reserved.
+ *
+ * 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/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+
+#ifdef CONFIG_MACH_NEO1973_GTA02
+#include <asm/arch/gta02.h>
+
+static ssize_t version_read(struct device *dev, struct device_attribute *attr,
+			    char *buf)
+{
+	return sprintf(buf, "0x%03X\n", gta02_get_pcb_revision());
+}
+
+
+static DEVICE_ATTR(pcb, 0644, version_read, NULL);
+
+static struct attribute *neo1973_version_sysfs_entries[] = {
+	&dev_attr_pcb.attr,
+	NULL
+};
+
+static struct attribute_group neo1973_version_attr_group = {
+	.name	= NULL,
+	.attrs	= neo1973_version_sysfs_entries,
+};
+
+static int __init neo1973_version_probe(struct platform_device *pdev)
+{
+	dev_info(&pdev->dev, "starting\n");
+
+	switch (machine_arch_type) {
+#ifdef CONFIG_MACH_NEO1973_GTA01
+	case MACH_TYPE_NEO1973_GTA01:
+		return -EINVAL;
+#endif /* CONFIG_MACH_NEO1973_GTA01 */
+	default:
+		break;
+	}
+
+	return sysfs_create_group(&pdev->dev.kobj, &neo1973_version_attr_group);
+}
+
+static int neo1973_version_remove(struct platform_device *pdev)
+{
+	sysfs_remove_group(&pdev->dev.kobj, &neo1973_version_attr_group);
+	return 0;
+}
+
+static struct platform_driver neo1973_version_driver = {
+	.probe		= neo1973_version_probe,
+	.remove		= neo1973_version_remove,
+	.driver		= {
+		.name		= "neo1973-version",
+	},
+};
+
+static int __devinit neo1973_version_init(void)
+{
+	return platform_driver_register(&neo1973_version_driver);
+}
+
+static void neo1973_version_exit(void)
+{
+	platform_driver_unregister(&neo1973_version_driver);
+}
+
+module_init(neo1973_version_init);
+module_exit(neo1973_version_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Andy Green <andy@openmoko.com>");
+MODULE_DESCRIPTION("Neo1973 PCB version");
+#endif
-- 
1.5.6.5