diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-s3c64xx/clock.c | 6 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/clock.c | 1 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/gpio-cfg.h | 23 |
3 files changed, 29 insertions, 1 deletions
diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index 7a4138beb66..fbd85a9b7bb 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -259,6 +259,12 @@ static struct clk init_clocks[] = { .enable = s3c64xx_hclk_ctrl, .ctrlbit = S3C_CLKCON_HCLK_HSMMC2, }, { + .name = "otg", + .id = -1, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_USB, + }, { .name = "timers", .id = -1, .parent = &clk_p, diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c index 24a931fd8d3..b5e255265f2 100644 --- a/arch/arm/plat-s5p/clock.c +++ b/arch/arm/plat-s5p/clock.c @@ -148,6 +148,7 @@ static struct clk *s5p_clks[] __initdata = { &clk_fout_vpll, &clk_arm, &clk_vpll, + &clk_xusbxti, }; void __init s5p_register_clocks(unsigned long xtal_freq) diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h index 34efdd2b032..db4112c6f2b 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h @@ -43,6 +43,11 @@ struct s3c_gpio_chip; * layouts. Provide an point to vector control routine and provide any * per-bank configuration information that other systems such as the * external interrupt code will need. + * + * @sa s3c_gpio_cfgpin + * @sa s3c_gpio_getcfg + * @sa s3c_gpio_setpull + * @sa s3c_gpio_getpull */ struct s3c_gpio_cfg { unsigned int cfg_eint; @@ -70,11 +75,25 @@ struct s3c_gpio_cfg { /** * s3c_gpio_cfgpin() - Change the GPIO function of a pin. * @pin pin The pin number to configure. - * @pin to The configuration for the pin's function. + * @to to The configuration for the pin's function. * * Configure which function is actually connected to the external * pin, such as an gpio input, output or some form of special function * connected to an internal peripheral block. + * + * The @to parameter can be one of the generic S3C_GPIO_INPUT, S3C_GPIO_OUTPUT + * or S3C_GPIO_SFN() to indicate one of the possible values that the helper + * will then generate the correct bit mask and shift for the configuration. + * + * If a bank of GPIOs all needs to be set to special-function 2, then + * the following code will work: + * + * for (gpio = start; gpio < end; gpio++) + * s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + * + * The @to parameter can also be a specific value already shifted to the + * correct position in the control register, although these are discouraged + * in newer kernels and are only being kept for compatibility. */ extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to); @@ -108,6 +127,8 @@ extern unsigned s3c_gpio_getcfg(unsigned int pin); * This function sets the state of the pull-{up,down} resistor for the * specified pin. It will return 0 if successfull, or a negative error * code if the pin cannot support the requested pull setting. + * + * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP. */ extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull); |