diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/i2c.h | 4 | ||||
| -rw-r--r-- | arch/arm/plat-omap/i2c.c | 27 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1xxx_psc.h | 13 |
3 files changed, 27 insertions, 17 deletions
diff --git a/arch/arm/plat-mxc/include/mach/i2c.h b/arch/arm/plat-mxc/include/mach/i2c.h index 4a5dc5c6d8e..375cdd0cf87 100644 --- a/arch/arm/plat-mxc/include/mach/i2c.h +++ b/arch/arm/plat-mxc/include/mach/i2c.h @@ -11,14 +11,10 @@ /** * struct imxi2c_platform_data - structure of platform data for MXC I2C driver - * @init: Initialise gpio's and other board specific things - * @exit: Free everything initialised by @init * @bitrate: Bus speed measured in Hz * **/ struct imxi2c_platform_data { - int (*init)(struct device *dev); - void (*exit)(struct device *dev); int bitrate; }; diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c index 3341ca4703e..2388b8eebaa 100644 --- a/arch/arm/plat-omap/i2c.c +++ b/arch/arm/plat-omap/i2c.c @@ -108,6 +108,22 @@ static inline int omap1_i2c_add_bus(int bus_id) res[1].start = INT_I2C; pdata = &i2c_pdata[bus_id - 1]; + /* all OMAP1 have IP version 1 register set */ + pdata->rev = OMAP_I2C_IP_VERSION_1; + + /* all OMAP1 I2C are implemented like this */ + pdata->flags = OMAP_I2C_FLAG_NO_FIFO | + OMAP_I2C_FLAG_SIMPLE_CLOCK | + OMAP_I2C_FLAG_16BIT_DATA_REG | + OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK; + + /* how the cpu bus is wired up differs for 7xx only */ + + if (cpu_is_omap7xx()) + pdata->flags |= OMAP_I2C_FLAG_BUS_SHIFT_1; + else + pdata->flags |= OMAP_I2C_FLAG_BUS_SHIFT_2; + return platform_device_register(pdev); } @@ -138,6 +154,7 @@ static inline int omap2_i2c_add_bus(int bus_id) struct omap_device *od; char oh_name[MAX_OMAP_I2C_HWMOD_NAME_LEN]; struct omap_i2c_bus_platform_data *pdata; + struct omap_i2c_dev_attr *dev_attr; omap2_i2c_mux_pins(bus_id); @@ -152,6 +169,16 @@ static inline int omap2_i2c_add_bus(int bus_id) pdata = &i2c_pdata[bus_id - 1]; /* + * pass the hwmod class's CPU-specific knowledge of I2C IP revision in + * use, and functionality implementation flags, up to the OMAP I2C + * driver via platform data + */ + pdata->rev = oh->class->rev; + + dev_attr = (struct omap_i2c_dev_attr *)oh->dev_attr; + pdata->flags = dev_attr->flags; + + /* * When waiting for completion of a i2c transfer, we need to * set a wake up latency constraint for the MPU. This is to * ensure quick enough wakeup from idle, when transfer diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h b/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h index 892b7f168eb..5a5cb738642 100644 --- a/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h +++ b/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h @@ -394,19 +394,6 @@ typedef struct psc_spi { #define PSC_SPITXRX_LC (1 << 29) #define PSC_SPITXRX_SR (1 << 28) -/* PSC in SMBus (I2C) Mode. */ -typedef struct psc_smb { - u32 psc_sel; - u32 psc_ctrl; - u32 psc_smbcfg; - u32 psc_smbmsk; - u32 psc_smbpcr; - u32 psc_smbstat; - u32 psc_smbevnt; - u32 psc_smbtxrx; - u32 psc_smbtmr; -} psc_smb_t; - /* SMBus Config Register. */ #define PSC_SMBCFG_RT_MASK (3 << 30) #define PSC_SMBCFG_RT_FIFO1 (0 << 30) |