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authorJon Smirl <jonsmirl@gmail.com>2008-07-01 03:01:26 +0400
committerGrant Likely <grant.likely@secretlab.ca>2008-07-12 22:10:23 +0400
commit0d1cde235874b00905bce23f659690d060ebf475 (patch)
tree918cad848eb4d85a3ac909666b5639ff618b2bdc /arch/powerpc/sysdev/fsl_soc.c
parent6eb9d32298290b956693fd85c815b817d39a9505 (diff)
downloadlinux-0d1cde235874b00905bce23f659690d060ebf475.tar.xz
powerpc/i2c: Convert i2c-mpc into an of_platform driver
Convert i2c-mpc to an of_platform driver. Utilize the code in drivers/of-i2c.c to make i2c modules dynamically loadable by the device tree. Signed-off-by: Jon Smirl <jonsmirl@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/powerpc/sysdev/fsl_soc.c')
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c133
1 files changed, 0 insertions, 133 deletions
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index ca54563d5c7e..ebcec7362f95 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -414,139 +414,6 @@ err:
arch_initcall(gfar_of_init);
-#ifdef CONFIG_I2C_BOARDINFO
-#include <linux/i2c.h>
-struct i2c_driver_device {
- char *of_device;
- char *i2c_type;
-};
-
-static struct i2c_driver_device i2c_devices[] __initdata = {
- {"ricoh,rs5c372a", "rs5c372a"},
- {"ricoh,rs5c372b", "rs5c372b"},
- {"ricoh,rv5c386", "rv5c386"},
- {"ricoh,rv5c387a", "rv5c387a"},
- {"dallas,ds1307", "ds1307"},
- {"dallas,ds1337", "ds1337"},
- {"dallas,ds1338", "ds1338"},
- {"dallas,ds1339", "ds1339"},
- {"dallas,ds1340", "ds1340"},
- {"stm,m41t00", "m41t00"},
- {"dallas,ds1374", "ds1374"},
- {"cirrus,cs4270", "cs4270"},
-};
-
-static int __init of_find_i2c_driver(struct device_node *node,
- struct i2c_board_info *info)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
- if (!of_device_is_compatible(node, i2c_devices[i].of_device))
- continue;
- if (strlcpy(info->type, i2c_devices[i].i2c_type,
- I2C_NAME_SIZE) >= I2C_NAME_SIZE)
- return -ENOMEM;
- return 0;
- }
-
- pr_warning("fsl_soc.c: unrecognized i2c node %s\n",
- (const char *) of_get_property(node, "compatible", NULL));
-
- return -ENODEV;
-}
-
-static void __init of_register_i2c_devices(struct device_node *adap_node,
- int bus_num)
-{
- struct device_node *node = NULL;
-
- while ((node = of_get_next_child(adap_node, node))) {
- struct i2c_board_info info = {};
- const u32 *addr;
- int len;
-
- addr = of_get_property(node, "reg", &len);
- if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
- printk(KERN_WARNING "fsl_soc.c: invalid i2c device entry\n");
- continue;
- }
-
- info.irq = irq_of_parse_and_map(node, 0);
- if (info.irq == NO_IRQ)
- info.irq = -1;
-
- if (of_find_i2c_driver(node, &info) < 0)
- continue;
-
- info.addr = *addr;
-
- i2c_register_board_info(bus_num, &info, 1);
- }
-}
-
-static int __init fsl_i2c_of_init(void)
-{
- struct device_node *np;
- unsigned int i = 0;
- struct platform_device *i2c_dev;
- int ret;
-
- for_each_compatible_node(np, NULL, "fsl-i2c") {
- struct resource r[2];
- struct fsl_i2c_platform_data i2c_data;
- const unsigned char *flags = NULL;
- int idx;
- const u32 *iprop;
-
- memset(&r, 0, sizeof(r));
- memset(&i2c_data, 0, sizeof(i2c_data));
-
- ret = of_address_to_resource(np, 0, &r[0]);
- if (ret)
- goto err;
-
- of_irq_to_resource(np, 0, &r[1]);
-
- iprop = of_get_property(np, "cell-index", NULL);
- idx = iprop ? *iprop : i;
-
- i2c_dev = platform_device_register_simple("fsl-i2c", idx, r, 2);
- if (IS_ERR(i2c_dev)) {
- ret = PTR_ERR(i2c_dev);
- goto err;
- }
-
- i2c_data.device_flags = 0;
- flags = of_get_property(np, "dfsrr", NULL);
- if (flags)
- i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
-
- flags = of_get_property(np, "fsl5200-clocking", NULL);
- if (flags)
- i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
-
- ret =
- platform_device_add_data(i2c_dev, &i2c_data,
- sizeof(struct
- fsl_i2c_platform_data));
- if (ret)
- goto unreg;
-
- of_register_i2c_devices(np, idx);
- i++;
- }
-
- return 0;
-
-unreg:
- platform_device_unregister(i2c_dev);
-err:
- return ret;
-}
-
-arch_initcall(fsl_i2c_of_init);
-#endif
#ifdef CONFIG_PPC_83xx
static int __init mpc83xx_wdt_init(void)