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-rw-r--r--arch/mips/netlogic/xlr/platform.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/mips/netlogic/xlr/platform.c b/arch/mips/netlogic/xlr/platform.c
index cb0ab63089db..71b44d82621d 100644
--- a/arch/mips/netlogic/xlr/platform.c
+++ b/arch/mips/netlogic/xlr/platform.c
@@ -14,6 +14,7 @@
14#include <linux/resource.h> 14#include <linux/resource.h>
15#include <linux/serial_8250.h> 15#include <linux/serial_8250.h>
16#include <linux/serial_reg.h> 16#include <linux/serial_reg.h>
17#include <linux/i2c.h>
17 18
18#include <asm/netlogic/haldefs.h> 19#include <asm/netlogic/haldefs.h>
19#include <asm/netlogic/xlr/iomap.h> 20#include <asm/netlogic/xlr/iomap.h>
@@ -186,3 +187,53 @@ int xls_platform_usb_init(void)
186 187
187arch_initcall(xls_platform_usb_init); 188arch_initcall(xls_platform_usb_init);
188#endif 189#endif
190
191#ifdef CONFIG_I2C
192static struct i2c_board_info nlm_i2c_board_info1[] __initdata = {
193 /* All XLR boards have this RTC and Max6657 Temp Chip */
194 [0] = {
195 .type = "ds1374",
196 .addr = 0x68
197 },
198 [1] = {
199 .type = "lm90",
200 .addr = 0x4c
201 },
202};
203
204static struct resource i2c_resources[] = {
205 [0] = {
206 .start = 0, /* filled at init */
207 .end = 0,
208 .flags = IORESOURCE_MEM,
209 },
210};
211
212static struct platform_device nlm_xlr_i2c_1 = {
213 .name = "xlr-i2cbus",
214 .id = 1,
215 .num_resources = 1,
216 .resource = i2c_resources,
217};
218
219static int __init nlm_i2c_init(void)
220{
221 int err = 0;
222 unsigned int offset;
223
224 /* I2C bus 0 does not have any useful devices, configure only bus 1 */
225 offset = NETLOGIC_IO_I2C_1_OFFSET;
226 nlm_xlr_i2c_1.resource[0].start = CPHYSADDR(nlm_mmio_base(offset));
227 nlm_xlr_i2c_1.resource[0].end = nlm_xlr_i2c_1.resource[0].start + 0xfff;
228
229 platform_device_register(&nlm_xlr_i2c_1);
230
231 err = i2c_register_board_info(1, nlm_i2c_board_info1,
232 ARRAY_SIZE(nlm_i2c_board_info1));
233 if (err < 0)
234 pr_err("nlm-i2c: cannot register board I2C devices\n");
235 return err;
236}
237
238arch_initcall(nlm_i2c_init);
239#endif