[PATCH 1/3] pxa: Hookup MAX7312 thats connected to I2C.
Sachin Sanap
ssanap at marvell.com
Wed Aug 25 05:18:16 EDT 2010
Signed-off-by: Sachin Sanap <ssanap at marvell.com>
---
arch/arm/mach-mmp/aspenite.c | 31 +++++++++++++++++++++++++++++--
1 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
index 244655d..d19c26c 100644
--- a/arch/arm/mach-mmp/aspenite.c
+++ b/arch/arm/mach-mmp/aspenite.c
@@ -23,9 +23,12 @@
#include <mach/mfp-pxa168.h>
#include <mach/pxa168.h>
#include <mach/gpio.h>
+#include <linux/i2c/pca953x.h>
#include "common.h"
+#define GPIO_EXT1(x) (128 + 16 + (x))
+
static unsigned long common_pin_config[] __initdata = {
/* Data Flash Interface */
GPIO0_DFI_D15,
@@ -66,6 +69,11 @@ static unsigned long common_pin_config[] __initdata = {
GPIO115_I2S_BCLK,
GPIO116_I2S_RXD,
GPIO117_I2S_TXD,
+
+ /* i2c bus */
+ GPIO105_CI2C_SDA,
+ GPIO106_CI2C_SCL,
+
};
static struct smc91x_platdata smc91x_info = {
@@ -130,17 +138,36 @@ static struct pxa3xx_nand_platform_data aspenite_nand_info = {
.nr_parts = ARRAY_SIZE(aspenite_nand_partitions),
};
-static struct i2c_board_info aspenite_i2c_info[] __initdata = {
+#if defined(CONFIG_GPIO_PCA953X)
+static struct pca953x_platform_data max7312_data[] = {
+ [0] = {
+ .gpio_base = GPIO_EXT1(0),
+ },
+};
+#endif
+
+static struct i2c_board_info aspenite_pwri2c_info[] __initdata = {
{ I2C_BOARD_INFO("wm8753", 0x1b), },
};
+static struct i2c_board_info aspenite_i2c_info[] __initdata = {
+#if defined(CONFIG_GPIO_PCA953X)
+ {
+ I2C_BOARD_INFO("max7312", 0x20),
+ .irq = IRQ_GPIO(120),
+ .platform_data = &max7312_data[0],
+ },
+#endif
+};
+
static void __init common_init(void)
{
mfp_config(ARRAY_AND_SIZE(common_pin_config));
/* on-chip devices */
pxa168_add_uart(1);
- pxa168_add_twsi(1, NULL, ARRAY_AND_SIZE(aspenite_i2c_info));
+ pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(aspenite_i2c_info));
+ pxa168_add_twsi(1, NULL, ARRAY_AND_SIZE(aspenite_pwri2c_info));
pxa168_add_ssp(1);
pxa168_add_nand(&aspenite_nand_info);
--
1.6.2.5
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