Signed-off-by: Daniel Glöckner <dg@xxxxxxxxx>
Signed-off-by: Oskar Schirmer <os@xxxxxxxxx>
---
arch/xtensa/platforms/s6105/device.c | 51 ++++++++++++++++++++++++++++++++++
1 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/arch/xtensa/platforms/s6105/device.c b/arch/xtensa/platforms/s6105/device.c
index 963634a..00f52ee 100644
--- a/arch/xtensa/platforms/s6105/device.c
+++ b/arch/xtensa/platforms/s6105/device.c
@@ -6,6 +6,8 @@
#include <linux/kernel.h>
#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/i2c/s6000.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/phy.h>
@@ -21,6 +23,7 @@
#define GPIO3_INTNUM 3
#define UART_INTNUM 4
#define GMAC_INTNUM 5
+#define I2C_INTNUM 6
static const signed char gpio3_irq_mappings[] = {
S6_INTC_GPIO(3),
@@ -41,10 +44,16 @@ static const signed char gmac_irq_mappings[] = {
-1
};
+static const signed char i2c_irq_mappings[] = {
+ S6_INTC_I2C,
+ -1
+};
+
const signed char *platform_irq_mappings[NR_IRQS] = {
[GPIO3_INTNUM] = gpio3_irq_mappings,
[UART_INTNUM] = uart_irq_mappings,
[GMAC_INTNUM] = gmac_irq_mappings,
+ [I2C_INTNUM] = i2c_irq_mappings,
};
static struct plat_serial8250_port serial_platform_data[] = {
@@ -129,6 +138,38 @@ fail:
return PHY_POLL;
}
+#define S6_I2C_BUS_NUM 0
+
+static __devinitdata struct s6_i2c_platform_data s6_i2c_pdata = {
+ .bus_num = S6_I2C_BUS_NUM,
+ .clock = "PCLK",
+};
+
+static struct resource s6_i2c_resource[] = {
+ {
+ .name = "mem",
+ .start = (resource_size_t)S6_REG_I2C,
+ .end = (resource_size_t)S6_REG_I2C + 0x1000 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "irq",
+ .start = (resource_size_t)I2C_INTNUM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+#define S6I2C_ADDR_TLV320AIC31 0x18
+#define S6I2C_ADDR_SAA7121 0x44
+#define S6I2C_ADDR_MT9D131 0x48
+#define S6I2C_ADDR_AT24HC02B 0x57
+#define S6I2C_ADDR_M41T62 0x68
+#define S6I2C_ADDR_CDCE906 0x69
+#define S6I2C_ADDR_PCA9543 0x73
+
+static struct i2c_board_info __initdata s6_i2c_devices[] = {
+};
+
static struct platform_device platform_devices[] = {
{
.name = "serial8250",
@@ -143,12 +184,22 @@ static struct platform_device platform_devices[] = {
.resource = s6_gmac_resource,
.num_resources = ARRAY_SIZE(s6_gmac_resource),
},
+ {
+ .name = "i2c-s6000",
+ .resource = s6_i2c_resource,
+ .num_resources = ARRAY_SIZE(s6_i2c_resource),
+ .dev = {
+ .platform_data = &s6_i2c_pdata,
+ },
+ },
};
static int __init device_init(void)
{
int i;
+ i2c_register_board_info(S6_I2C_BUS_NUM, s6_i2c_devices,
+ ARRAY_SIZE(s6_i2c_devices));
s6_gmac_resource[5].start = prepare_phy_irq(GPIO_PHY_IRQ);
for (i = 0; i < ARRAY_SIZE(platform_devices); i++)
--
1.6.2.107.ge47ee
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