forked from Minki/linux
[ARM] pxa: add I2C (TWSI) devices to pxa168/pxa910
Signed-off-by: Paul Shen <paul.shen@marvell.com> Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
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f0a8370139
commit
1a77920e4c
@ -253,6 +253,10 @@
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#define GPIO58_LCD_PCLK_WR MFP_CFG(GPIO58, AF1)
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#define GPIO85_LCD_VSYNC MFP_CFG(GPIO85, AF1)
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/* I2C */
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#define GPIO105_CI2C_SDA MFP_CFG(GPIO105, AF1)
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#define GPIO106_CI2C_SCL MFP_CFG(GPIO106, AF1)
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/* I2S */
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#define GPIO113_I2S_MCLK MFP_CFG(GPIO113,AF6)
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#define GPIO114_I2S_FRM MFP_CFG(GPIO114,AF1)
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@ -1,10 +1,14 @@
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#ifndef __ASM_MACH_PXA168_H
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#define __ASM_MACH_PXA168_H
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#include <linux/i2c.h>
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#include <mach/devices.h>
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#include <plat/i2c.h>
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extern struct pxa_device_desc pxa168_device_uart1;
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extern struct pxa_device_desc pxa168_device_uart2;
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extern struct pxa_device_desc pxa168_device_twsi0;
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extern struct pxa_device_desc pxa168_device_twsi1;
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static inline int pxa168_add_uart(int id)
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{
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@ -20,4 +24,24 @@ static inline int pxa168_add_uart(int id)
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return pxa_register_device(d, NULL, 0);
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}
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static inline int pxa168_add_twsi(int id, struct i2c_pxa_platform_data *data,
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struct i2c_board_info *info, unsigned size)
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{
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struct pxa_device_desc *d = NULL;
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int ret;
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switch (id) {
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case 0: d = &pxa168_device_twsi0; break;
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case 1: d = &pxa168_device_twsi1; break;
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default:
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return -EINVAL;
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}
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ret = i2c_register_board_info(id, info, size);
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if (ret)
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return ret;
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return pxa_register_device(d, data, sizeof(*data));
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}
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#endif /* __ASM_MACH_PXA168_H */
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@ -1,10 +1,14 @@
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#ifndef __ASM_MACH_PXA910_H
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#define __ASM_MACH_PXA910_H
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#include <linux/i2c.h>
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#include <mach/devices.h>
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#include <plat/i2c.h>
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extern struct pxa_device_desc pxa910_device_uart1;
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extern struct pxa_device_desc pxa910_device_uart2;
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extern struct pxa_device_desc pxa910_device_twsi0;
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extern struct pxa_device_desc pxa910_device_twsi1;
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static inline int pxa910_add_uart(int id)
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{
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@ -20,4 +24,24 @@ static inline int pxa910_add_uart(int id)
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return pxa_register_device(d, NULL, 0);
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}
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static inline int pxa910_add_twsi(int id, struct i2c_pxa_platform_data *data,
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struct i2c_board_info *info, unsigned size)
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{
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struct pxa_device_desc *d = NULL;
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int ret;
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switch (id) {
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case 0: d = &pxa910_device_twsi0; break;
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case 1: d = &pxa910_device_twsi1; break;
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default:
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return -EINVAL;
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}
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ret = i2c_register_board_info(id, info, size);
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if (ret)
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return ret;
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return pxa_register_device(d, data, sizeof(*data));
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}
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#endif /* __ASM_MACH_PXA910_H */
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@ -65,11 +65,15 @@ void __init pxa168_init_irq(void)
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/* APB peripheral clocks */
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static APBC_CLK(uart1, PXA168_UART1, 1, 14745600);
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static APBC_CLK(uart2, PXA168_UART2, 1, 14745600);
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static APBC_CLK(twsi0, PXA168_TWSI0, 1, 33000000);
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static APBC_CLK(twsi1, PXA168_TWSI1, 1, 33000000);
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/* device and clock bindings */
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static struct clk_lookup pxa168_clkregs[] = {
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INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
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INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
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INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL),
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INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL),
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};
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static int __init pxa168_init(void)
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@ -109,3 +113,5 @@ struct sys_timer pxa168_timer = {
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/* on-chip devices */
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PXA168_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4017000, 0x30, 21, 22);
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PXA168_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4018000, 0x30, 23, 24);
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PXA168_DEVICE(twsi0, "pxa2xx-i2c", 0, TWSI0, 0xd4011000, 0x28);
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PXA168_DEVICE(twsi1, "pxa2xx-i2c", 1, TWSI1, 0xd4025000, 0x28);
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@ -103,11 +103,15 @@ void __init pxa910_init_irq(void)
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/* APB peripheral clocks */
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static APBC_CLK(uart1, PXA910_UART0, 1, 14745600);
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static APBC_CLK(uart2, PXA910_UART1, 1, 14745600);
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static APBC_CLK(twsi0, PXA168_TWSI0, 1, 33000000);
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static APBC_CLK(twsi1, PXA168_TWSI1, 1, 33000000);
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/* device and clock bindings */
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static struct clk_lookup pxa910_clkregs[] = {
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INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
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INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
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INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL),
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INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL),
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};
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static int __init pxa910_init(void)
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@ -156,3 +160,5 @@ struct sys_timer pxa910_timer = {
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*/
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PXA910_DEVICE(uart1, "pxa2xx-uart", 0, UART2, 0xd4017000, 0x30, 21, 22);
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PXA910_DEVICE(uart2, "pxa2xx-uart", 1, UART3, 0xd4018000, 0x30, 23, 24);
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PXA910_DEVICE(twsi0, "pxa2xx-i2c", 0, TWSI0, 0xd4011000, 0x28);
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PXA910_DEVICE(twsi1, "pxa2xx-i2c", 1, TWSI1, 0xd4025000, 0x28);
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