diff options
-rw-r--r-- | arch/arm/include/asm/mach/udc_pxa2xx.h | 3 | ||||
-rw-r--r-- | arch/arm/mach-pxa/devices.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-pxa/generic.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-pxa/include/mach/hardware.h | 79 | ||||
-rw-r--r-- | arch/arm/mach-pxa/include/mach/i2c.h | 9 | ||||
-rw-r--r-- | arch/arm/mach-pxa/include/mach/pm.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-pxa/include/mach/pxa-regs.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-pxa/include/mach/ssp.h | 24 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pm.c | 18 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 38 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 22 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pxa3xx.c | 45 | ||||
-rw-r--r-- | arch/arm/mach-pxa/time.c | 2 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-pxa.c | 55 | ||||
-rw-r--r-- | drivers/input/keyboard/corgikbd.c | 6 | ||||
-rw-r--r-- | drivers/input/keyboard/spitzkbd.c | 6 | ||||
-rw-r--r-- | drivers/input/keyboard/tosakbd.c | 6 | ||||
-rw-r--r-- | drivers/mmc/host/pxamci.c | 4 | ||||
-rw-r--r-- | drivers/serial/pxa.c | 5 | ||||
-rw-r--r-- | sound/soc/pxa/pxa2xx-ac97.c | 8 |
20 files changed, 265 insertions, 73 deletions
diff --git a/arch/arm/include/asm/mach/udc_pxa2xx.h b/arch/arm/include/asm/mach/udc_pxa2xx.h index 270902c353f..f3eabf1ecec 100644 --- a/arch/arm/include/asm/mach/udc_pxa2xx.h +++ b/arch/arm/include/asm/mach/udc_pxa2xx.h @@ -18,8 +18,7 @@ struct pxa2xx_udc_mach_info { /* Boards following the design guidelines in the developer's manual, * with on-chip GPIOs not Lubbock's weird hardware, can have a sane * VBUS IRQ and omit the methods above. Store the GPIO number - * here; for GPIO 0, also mask in one of the pxa_gpio_mode() bits. - * Note that sometimes the signals go through inverters... + * here. Note that sometimes the signals go through inverters... */ bool gpio_vbus_inverted; u16 gpio_vbus; /* high == vbus present */ diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h index 887c738f591..bb04af4b0aa 100644 --- a/arch/arm/mach-pxa/devices.h +++ b/arch/arm/mach-pxa/devices.h @@ -32,5 +32,6 @@ extern struct platform_device pxa27x_device_pwm0; extern struct platform_device pxa27x_device_pwm1; extern struct platform_device pxa3xx_device_nand; +extern struct platform_device pxa3xx_device_i2c_power; void __init pxa_register_device(struct platform_device *dev, void *data); diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index ceaed007636..cbbf3009792 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -46,7 +46,7 @@ void clear_reset_status(unsigned int mask) */ unsigned int get_clk_frequency_khz(int info) { - if (cpu_is_pxa21x() || cpu_is_pxa25x()) + if (cpu_is_pxa25x()) return pxa25x_get_clk_frequency_khz(info); else if (cpu_is_pxa27x()) return pxa27x_get_clk_frequency_khz(info); @@ -60,7 +60,7 @@ EXPORT_SYMBOL(get_clk_frequency_khz); */ unsigned int get_memclk_frequency_10khz(void) { - if (cpu_is_pxa21x() || cpu_is_pxa25x()) + if (cpu_is_pxa25x()) return pxa25x_get_memclk_frequency_10khz(); else if (cpu_is_pxa27x()) return pxa27x_get_memclk_frequency_10khz(); diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h index e89df4d0d23..9dc71114e28 100644 --- a/arch/arm/mach-pxa/include/mach/hardware.h +++ b/arch/arm/mach-pxa/include/mach/hardware.h @@ -62,26 +62,72 @@ #ifndef __ASSEMBLY__ +/* + * CPU Stepping CPU_ID JTAG_ID + * + * PXA210 B0 0x69052922 0x2926C013 + * PXA210 B1 0x69052923 0x3926C013 + * PXA210 B2 0x69052924 0x4926C013 + * PXA210 C0 0x69052D25 0x5926C013 + * + * PXA250 A0 0x69052100 0x09264013 + * PXA250 A1 0x69052101 0x19264013 + * PXA250 B0 0x69052902 0x29264013 + * PXA250 B1 0x69052903 0x39264013 + * PXA250 B2 0x69052904 0x49264013 + * PXA250 C0 0x69052D05 0x59264013 + * + * PXA255 A0 0x69052D06 0x69264013 + * + * PXA26x A0 0x69052903 0x39264013 + * PXA26x B0 0x69052D05 0x59264013 + * + * PXA27x A0 0x69054110 0x09265013 + * PXA27x A1 0x69054111 0x19265013 + * PXA27x B0 0x69054112 0x29265013 + * PXA27x B1 0x69054113 0x39265013 + * PXA27x C0 0x69054114 0x49265013 + * PXA27x C5 0x69054117 0x79265013 + * + * PXA30x A0 0x69056880 0x0E648013 + * PXA30x A1 0x69056881 0x1E648013 + * PXA31x A0 0x69056890 0x0E649013 + * PXA31x A1 0x69056891 0x1E649013 + * PXA31x A2 0x69056892 0x2E649013 + * PXA32x B1 0x69056825 0x5E642013 + * PXA32x B2 0x69056826 0x6E642013 + * + * PXA930 B0 0x69056835 0x5E643013 + * PXA930 B1 0x69056837 0x7E643013 + * PXA930 B2 0x69056838 0x8E643013 + */ #ifdef CONFIG_PXA25x -#define __cpu_is_pxa21x(id) \ +#define __cpu_is_pxa210(id) \ ({ \ - unsigned int _id = (id) >> 4 & 0xf3f; \ - _id == 0x212; \ + unsigned int _id = (id) & 0xf3f0; \ + _id == 0x2120; \ }) -#define __cpu_is_pxa255(id) \ - ({ \ - unsigned int _id = (id) >> 4 & 0xfff; \ - _id == 0x2d0; \ - }) +#define __cpu_is_pxa250(id) \ + ({ \ + unsigned int _id = (id) & 0xf3ff; \ + _id <= 0x2105; \ + }) + +#define __cpu_is_pxa255(id) \ + ({ \ + unsigned int _id = (id) & 0xffff; \ + _id == 0x2d06; \ + }) #define __cpu_is_pxa25x(id) \ ({ \ - unsigned int _id = (id) >> 4 & 0xfff; \ - _id == 0x2d0 || _id == 0x290; \ + unsigned int _id = (id) & 0xf300; \ + _id == 0x2100; \ }) #else -#define __cpu_is_pxa21x(id) (0) +#define __cpu_is_pxa210(id) (0) +#define __cpu_is_pxa250(id) (0) #define __cpu_is_pxa255(id) (0) #define __cpu_is_pxa25x(id) (0) #endif @@ -136,9 +182,14 @@ #define __cpu_is_pxa930(id) (0) #endif -#define cpu_is_pxa21x() \ +#define cpu_is_pxa210() \ ({ \ - __cpu_is_pxa21x(read_cpuid_id()); \ + __cpu_is_pxa210(read_cpuid_id()); \ + }) + +#define cpu_is_pxa250() \ + ({ \ + __cpu_is_pxa250(read_cpuid_id()); \ }) #define cpu_is_pxa255() \ @@ -151,6 +202,8 @@ __cpu_is_pxa25x(read_cpuid_id()); \ }) +extern int cpu_is_pxa26x(void); + #define cpu_is_pxa27x() \ ({ \ __cpu_is_pxa27x(read_cpuid_id()); \ diff --git a/arch/arm/mach-pxa/include/mach/i2c.h b/arch/arm/mach-pxa/include/mach/i2c.h index 80596b01344..1a9f65e6ec0 100644 --- a/arch/arm/mach-pxa/include/mach/i2c.h +++ b/arch/arm/mach-pxa/include/mach/i2c.h @@ -65,13 +65,18 @@ struct i2c_pxa_platform_data { unsigned int slave_addr; struct i2c_slave_client *slave; unsigned int class; - int use_pio; + unsigned int use_pio :1; + unsigned int fast_mode :1; }; extern void pxa_set_i2c_info(struct i2c_pxa_platform_data *info); #ifdef CONFIG_PXA27x -extern void pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info); +extern void pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info); +#endif + +#ifdef CONFIG_PXA3xx +extern void pxa3xx_set_i2c_power_info(struct i2c_pxa_platform_data *info); #endif #endif diff --git a/arch/arm/mach-pxa/include/mach/pm.h b/arch/arm/mach-pxa/include/mach/pm.h index 261e5bc958d..83342469aca 100644 --- a/arch/arm/mach-pxa/include/mach/pm.h +++ b/arch/arm/mach-pxa/include/mach/pm.h @@ -15,6 +15,8 @@ struct pxa_cpu_pm_fns { void (*restore)(unsigned long *); int (*valid)(suspend_state_t state); void (*enter)(suspend_state_t state); + int (*prepare)(void); + void (*finish)(void); }; extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns; diff --git a/arch/arm/mach-pxa/include/mach/pxa-regs.h b/arch/arm/mach-pxa/include/mach/pxa-regs.h index 12288ca3cbb..772c67635e2 100644 --- a/arch/arm/mach-pxa/include/mach/pxa-regs.h +++ b/arch/arm/mach-pxa/include/mach/pxa-regs.h @@ -448,6 +448,7 @@ #define ICR_ALDIE (1 << 12) /* enable arbitration interrupt */ #define ICR_SADIE (1 << 13) /* slave address detected int enable */ #define ICR_UR (1 << 14) /* unit reset */ +#define ICR_FM (1 << 15) /* fast mode */ #define ISR_RWM (1 << 0) /* read/write mode */ #define ISR_ACKNAK (1 << 1) /* ack/nak status */ diff --git a/arch/arm/mach-pxa/include/mach/ssp.h b/arch/arm/mach-pxa/include/mach/ssp.h index a012882c9ee..cb5cb766f0f 100644 --- a/arch/arm/mach-pxa/include/mach/ssp.h +++ b/arch/arm/mach-pxa/include/mach/ssp.h @@ -20,6 +20,7 @@ #define __ASM_ARCH_SSP_H #include <linux/list.h> +#include <linux/io.h> enum pxa_ssp_type { SSP_UNDEFINED = 0, @@ -78,6 +79,29 @@ int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags); int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 speed); void ssp_exit(struct ssp_dev *dev); +/** + * ssp_write_reg - Write to a SSP register + * + * @dev: SSP device to access + * @reg: Register to write to + * @val: Value to be written. + */ +static inline void ssp_write_reg(struct ssp_device *dev, u32 reg, u32 val) +{ + __raw_writel(val, dev->mmio_base + reg); +} + +/** + * ssp_read_reg - Read from a SSP register + * + * @dev: SSP device to access + * @reg: Register to read from + */ +static inline u32 ssp_read_reg(struct ssp_device *dev, u32 reg) +{ + return __raw_readl(dev->mmio_base + reg); +} + struct ssp_device *ssp_request(int port, const char *label); void ssp_free(struct ssp_device *); #endif /* __ASM_ARCH_SSP_H */ diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index 1b539e67557..164eb0bb632 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -86,9 +86,27 @@ static int pxa_pm_valid(suspend_state_t state) return -EINVAL; } +static int pxa_pm_prepare(void) +{ + int ret = 0; + + if (pxa_cpu_pm_fns && pxa_cpu_pm_fns->prepare) + ret = pxa_cpu_pm_fns->prepare(); + + return ret; +} + +static void pxa_pm_finish(void) +{ + if (pxa_cpu_pm_fns && pxa_cpu_pm_fns->finish) + pxa_cpu_pm_fns->finish(); +} + static struct platform_suspend_ops pxa_pm_ops = { .valid = pxa_pm_valid, .enter = pxa_pm_enter, + .prepare = pxa_pm_prepare, + .finish = pxa_pm_finish, }; static int __init pxa_pm_init(void) diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index f0eda209449..25d17a1dab7 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -36,6 +36,12 @@ #include "devices.h" #include "clock.h" +int cpu_is_pxa26x(void) +{ + return cpu_is_pxa250() && ((BOOT_DEF & 0x8) == 0); +} +EXPORT_SYMBOL_GPL(cpu_is_pxa26x); + /* * Various clock factors driven by the CCCR register. */ @@ -218,9 +224,6 @@ static void pxa25x_cpu_pm_save(unsigned long *sleep_save) static void pxa25x_cpu_pm_restore(unsigned long *sleep_save) { - /* ensure not to come back here if it wasn't intended */ - PSPR = 0; - RESTORE(CKEN); RESTORE(PSTR); } @@ -232,19 +235,32 @@ static void pxa25x_cpu_pm_enter(suspend_state_t state) switch (state) { case PM_SUSPEND_MEM: - /* set resume return address */ - PSPR = virt_to_phys(pxa_cpu_resume); pxa25x_cpu_suspend(PWRMODE_SLEEP); break; } } +static int pxa25x_cpu_pm_prepare(void) +{ + /* set resume return address */ + PSPR = virt_to_phys(pxa_cpu_resume); + return 0; +} + +static void pxa25x_cpu_pm_finish(void) +{ + /* ensure not to come back here if it wasn't intended */ + PSPR = 0; +} + static struct pxa_cpu_pm_fns pxa25x_cpu_pm_fns = { .save_count = SLEEP_SAVE_COUNT, .valid = suspend_valid_only_mem, .save = pxa25x_cpu_pm_save, .restore = pxa25x_cpu_pm_restore, .enter = pxa25x_cpu_pm_enter, + .prepare = pxa25x_cpu_pm_prepare, + .finish = pxa25x_cpu_pm_finish, }; static void __init pxa25x_init_pm(void) @@ -316,11 +332,7 @@ static int __init pxa25x_init(void) { int i, ret = 0; - /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */ - if (cpu_is_pxa255()) - clks_register(&pxa25x_hwuart_clk, 1); - - if (cpu_is_pxa21x() || cpu_is_pxa25x()) { + if (cpu_is_pxa25x()) { reset_status = RCSR; @@ -343,9 +355,11 @@ static int __init pxa25x_init(void) return ret; } - /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */ - if (cpu_is_pxa255()) + /* Only add HWUART for PXA255/26x; PXA210/250 do not have it. */ + if (cpu_is_pxa255() || cpu_is_pxa26x()) { + clks_register(&pxa25x_hwuart_clk, 1); ret = platform_device_register(&pxa_device_hwuart); + } return ret; } diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 0288665ad03..bf01e14098f 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -202,9 +202,6 @@ void pxa27x_cpu_pm_save(unsigned long *sleep_save) void pxa27x_cpu_pm_restore(unsigned long *sleep_save) { - /* ensure not to come back here if it wasn't intended */ - PSPR = 0; - RESTORE(MDREFR); RESTORE(PCFR); @@ -232,8 +229,6 @@ void pxa27x_cpu_pm_enter(suspend_state_t state) pxa_cpu_standby(); break; case PM_SUSPEND_MEM: - /* set resume return address */ - PSPR = virt_to_phys(pxa_cpu_resume); pxa27x_cpu_suspend(PWRMODE_SLEEP); break; } @@ -244,12 +239,27 @@ static int pxa27x_cpu_pm_valid(suspend_state_t state) return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY; } +static int pxa27x_cpu_pm_prepare(void) +{ + /* set resume return address */ + PSPR = virt_to_phys(pxa_cpu_resume); + return 0; +} + +static void pxa27x_cpu_pm_finish(void) +{ + /* ensure not to come back here if it wasn't intended */ + PSPR = 0; +} + static struct pxa_cpu_pm_fns pxa27x_cpu_pm_fns = { .save_count = SLEEP_SAVE_COUNT, .save = pxa27x_cpu_pm_save, .restore = pxa27x_cpu_pm_restore, .valid = pxa27x_cpu_pm_valid, .enter = pxa27x_cpu_pm_enter, + .prepare = pxa27x_cpu_pm_prepare, + .finish = pxa27x_cpu_pm_finish, }; static void __init pxa27x_init_pm(void) @@ -322,7 +332,7 @@ struct platform_device pxa27x_device_i2c_power = { .num_resources = ARRAY_SIZE(i2c_power_resources), }; -void __init pxa_set_i2c_power_info(struct i2c_pxa_platform_data *info) +void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info) { local_irq_disable(); PCFR |= PCFR_PI2CEN; diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 03cbc38103e..b3cd5d0b0f3 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -203,6 +203,19 @@ static const struct clkops clk_pout_ops = { .disable = clk_pout_disable, }; +static void clk_dummy_enable(struct clk *clk) +{ +} + +static void clk_dummy_disable(struct clk *clk) +{ +} + +static const struct clkops clk_dummy_ops = { + .enable = clk_dummy_enable, + .disable = clk_dummy_disable, +}; + static struct clk pxa3xx_clks[] = { { .name = "CLK_POUT", @@ -211,6 +224,13 @@ static struct clk pxa3xx_clks[] = { .delay = 70, }, + /* Power I2C clock is always on */ + { + .name = "I2CCLK", + .ops = &clk_dummy_ops, + .dev = &pxa3xx_device_i2c_power.dev, + }, + PXA3xx_CK("LCDCLK", LCD, &clk_pxa3xx_hsio_ops, &pxa_device_fb.dev), PXA3xx_CK("CAMCLK", CAMERA, &clk_pxa3xx_hsio_ops, NULL), PXA3xx_CK("AC97CLK", AC97, &clk_pxa3xx_ac97_ops, NULL), @@ -509,6 +529,30 @@ void __init pxa3xx_init_irq(void) * device registration specific to PXA3xx. */ +static struct resource i2c_power_resources[] = { + { + .start = 0x40f500c0, + .end = 0x40f500d3, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PWRI2C, + .end = IRQ_PWRI2C, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa3xx_device_i2c_power = { + .name = "pxa2xx-i2c", + .id = 1, + .resource = i2c_power_resources, + .num_resources = ARRAY_SIZE(i2c_power_resources), +}; + +void __init pxa3xx_set_i2c_power_info(struct i2c_pxa_platform_data *info) +{ + pxa3xx_device_i2c_power.dev.platform_data = info; +} + static struct platform_device *devices[] __initdata = { /* &pxa_device_udc, The UDC driver is PXA25x only */ &pxa_device_ffuart, @@ -522,6 +566,7 @@ static struct platform_device *devices[] __initdata = { &pxa3xx_device_ssp4, &pxa27x_device_pwm0, &pxa27x_device_pwm1, + &pxa3xx_device_i2c_power, }; static struct sys_device pxa3xx_sysdev[] = { diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c index 67e18509d7b..18d14974583 100644 --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -155,7 +155,7 @@ static void __init pxa_timer_init(void) OIER = 0; OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3; - if (cpu_is_pxa21x() || cpu_is_pxa25x()) + if (cpu_is_pxa25x()) clock_tick_rate = 3686400; else if (machine_is_mainstone()) clock_tick_rate = 3249600; diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 44d838410f1..8b38ed0379d 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -60,19 +60,21 @@ struct pxa_i2c { u32 icrlog[32]; void __iomem *reg_base; + unsigned int reg_shift; unsigned long iobase; unsigned long iosize; int irq; - int use_pio; + unsigned int use_pio :1; + unsigned int fast_mode :1; }; -#define _IBMR(i2c) ((i2c)->reg_base + 0) -#define _IDBR(i2c) ((i2c)->reg_base + 8) -#define _ICR(i2c) ((i2c)->reg_base + 0x10) -#define _ISR(i2c) ((i2c)->reg_base + 0x18) -#define _ISAR(i2c) ((i2c)->reg_base + 0x20) +#define _IBMR(i2c) ((i2c)->reg_base + (0x0 << (i2c)->reg_shift)) +#define _IDBR(i2c) ((i2c)->reg_base + (0x4 << (i2c)->reg_shift)) +#define _ICR(i2c) ((i2c)->reg_base + (0x8 << (i2c)->reg_shift)) +#define _ISR(i2c) ((i2c)->reg_base + (0xc << (i2c)->reg_shift)) +#define _ISAR(i2c) ((i2c)->reg_base + (0x10 << (i2c)->reg_shift)) /* * I2C Slave mode address @@ -188,14 +190,14 @@ static inline int i2c_pxa_is_slavemode(struct pxa_i2c *i2c) static void i2c_pxa_abort(struct pxa_i2c *i2c) { - unsigned long timeout = jiffies + HZ/4; + int i = 250; if (i2c_pxa_is_slavemode(i2c)) { dev_dbg(&i2c->adap.dev, "%s: called in slave mode\n", __func__); return; } - while (time_before(jiffies, timeout) && (readl(_IBMR(i2c)) & 0x1) == 0) { + while ((i > 0) && (readl(_IBMR(i2c)) & 0x1) == 0) { unsigned long icr = readl(_ICR(i2c)); icr &= ~ICR_START; @@ -205,7 +207,8 @@ static void i2c_pxa_abort(struct pxa_i2c *i2c) show_state(i2c); - msleep(1); + mdelay(1); + i --; } writel(readl(_ICR(i2c)) & ~(ICR_MA | ICR_START | ICR_STOP), @@ -364,7 +367,7 @@ static void i2c_pxa_reset(struct pxa_i2c *i2c) writel(i2c->slave_addr, _ISAR(i2c)); /* set control register values */ - writel(I2C_ICR_INIT, _ICR(i2c)); + writel(I2C_ICR_INIT | (i2c->fast_mode ? ICR_FM : 0), _ICR(i2c)); #ifdef CONFIG_I2C_PXA_SLAVE dev_info(&i2c->adap.dev, "Enabling slave mode\n"); @@ -907,12 +910,6 @@ static int i2c_pxa_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num struct pxa_i2c *i2c = adap->algo_data; int ret, i; - /* If the I2C controller is disabled we need to reset it (probably due - to a suspend/resume destroying state). We do this here as we can then - avoid worrying about resuming the controller before its users. */ - if (!(readl(_ICR(i2c)) & ICR_IUE)) - i2c_pxa_reset(i2c); - for (i = adap->retries; i >= 0; i--) { ret = i2c_pxa_do_xfer(i2c, msgs, num); if (ret != I2C_RETRY) @@ -993,6 +990,7 @@ static int i2c_pxa_probe(struct platform_device *dev) ret = -EIO; goto eremap; } + i2c->reg_shift = (cpu_is_pxa3xx() && (dev->id == 1)) ? 0 : 1; i2c->iobase = res->start; i2c->iosize = res_len(res); @@ -1013,6 +1011,7 @@ static int i2c_pxa_probe(struct platform_device *dev) if (plat) { i2c->adap.class = plat->class; i2c->use_pio = plat->use_pio; + i2c->fast_mode = plat->fast_mode; } if (i2c->use_pio) { @@ -1082,9 +1081,33 @@ static int __exit i2c_pxa_remove(struct platform_device *dev) return 0; } +#ifdef CONFIG_PM +static int i2c_pxa_suspend_late(struct platform_device *dev, pm_message_t state) +{ + struct pxa_i2c *i2c = platform_get_drvdata(dev); + clk_disable(i2c->clk); + return 0; +} + +static int i2c_pxa_resume_early(struct platform_device *dev) +{ + struct pxa_i2c *i2c = platform_get_drvdata(dev); + + clk_enable(i2c->clk); + i2c_pxa_reset(i2c); + + return 0; +} +#else +#define i2c_pxa_suspend_late NULL +#define i2c_pxa_resume_early NULL +#endif + static struct platform_driver i2c_pxa_driver = { .probe = i2c_pxa_probe, .remove = __exit_p(i2c_pxa_remove), + .suspend_late = i2c_pxa_suspend_late, + .resume_early = i2c_pxa_resume_early, .driver = { .name = "pxa2xx-i2c", .owner = THIS_MODULE, diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c index 134e67bf6a9..c8ed065ea0c 100644 --- a/drivers/input/keyboard/corgikbd.c +++ b/drivers/input/keyboard/corgikbd.c @@ -80,9 +80,9 @@ struct corgikbd { #define KB_ACTIVATE_DELAY 10 /* Helper functions for reading the keyboard matrix - * Note: We should really be using pxa_gpio_mode to alter GPDR but it - * requires a function call per GPIO bit which is excessive - * when we need to access 12 bits at once multiple times. + * Note: We should really be using the generic gpio functions to alter + * GPDR but it requires a function call per GPIO bit which is + * excessive when we need to access 12 bits at once, multiple times. * These functions must be called within local_irq_save()/local_irq_restore() * or similar. */ diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c index de67b8e0a79..c48b76a46a5 100644 --- a/drivers/input/keyboard/spitzkbd.c +++ b/drivers/input/keyboard/spitzkbd.c @@ -101,9 +101,9 @@ struct spitzkbd { #define KB_ACTIVATE_DELAY 10 /* Helper functions for reading the keyboard matrix - * Note: We should really be using pxa_gpio_mode to alter GPDR but it - * requires a function call per GPIO bit which is excessive - * when we need to access 11 bits at once, multiple times. + * Note: We should really be using the generic gpio functions to alter + * GPDR but it requires a function call per GPIO bit which is + * excessive when we need to access 11 bits at once, multiple times. * These functions must be called within local_irq_save()/local_irq_restore() * or similar. */ diff --git a/drivers/input/keyboard/tosakbd.c b/drivers/input/keyboard/tosakbd.c index 44cb50af3ce..677276b1202 100644 --- a/drivers/input/keyboard/tosakbd.c +++ b/drivers/input/keyboard/tosakbd.c @@ -59,9 +59,9 @@ struct tosakbd { /* Helper functions for reading the keyboard matrix - * Note: We should really be using pxa_gpio_mode to alter GPDR but it - * requires a function call per GPIO bit which is excessive - * when we need to access 12 bits at once, multiple times. + * Note: We should really be using the generic gpio functions to alter + * GPDR but it requires a function call per GPIO bit which is + * excessive when we need to access 12 bits at once, multiple times. * These functions must be called within local_irq_save()/local_irq_restore() * or similar. */ diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index 55093ad132c..ebfaa996093 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -520,7 +520,7 @@ static int pxamci_probe(struct platform_device *pdev) /* * Block length register is only 10 bits before PXA27x. */ - mmc->max_blk_size = (cpu_is_pxa21x() || cpu_is_pxa25x()) ? 1023 : 2048; + mmc->max_blk_size = cpu_is_pxa25x() ? 1023 : 2048; /* * Block count register is 16 bits. @@ -554,7 +554,7 @@ static int pxamci_probe(struct platform_device *pdev) MMC_VDD_32_33|MMC_VDD_33_34; mmc->caps = 0; host->cmdat = 0; - if (!cpu_is_pxa21x() && !cpu_is_pxa25x()) { + if (!cpu_is_pxa25x()) { mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; host->cmdat |= CMDAT_SDIO_INT_EN; if (cpu_is_pxa300() || cpu_is_pxa310()) diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c index f7a0d37c422..abc00be5543 100644 --- a/drivers/serial/pxa.c +++ b/drivers/serial/pxa.c @@ -534,6 +534,11 @@ serial_pxa_set_termios(struct uart_port *port, struct ktermios *termios, serial_out(up, UART_IER, up->ier); + if (termios->c_cflag & CRTSCTS) + up->mcr |= UART_MCR_AFE; + else + up->mcr &= ~UART_MCR_AFE; + serial_out(up, UART_LCR, cval | UART_LCR_DLAB);/* set DLAB */ serial_out(up, UART_DLL, quot & 0xff); /* LS of divisor */ serial_out(up, UART_DLM, quot >> 8); /* MS of divisor */ diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c index d94a495bd6b..7d7ce164836 100644 --- a/sound/soc/pxa/pxa2xx-ac97.c +++ b/sound/soc/pxa/pxa2xx-ac97.c @@ -293,14 +293,6 @@ static int pxa2xx_ac97_suspend(struct platform_device *pdev, static int pxa2xx_ac97_resume(struct platform_device *pdev, struct snd_soc_dai *dai) { - pxa_gpio_mode(GPIO31_SYNC_AC97_MD); - pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD); - pxa_gpio_mode(GPIO28_BITCLK_AC97_MD); - pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD); -#ifdef CONFIG_PXA27x - /* Use GPIO 113 as AC97 Reset on Bulverde */ - pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT); -#endif clk_enable(ac97_clk); return 0; } |