diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/pinctrl-coh901.c | 56 |
1 files changed, 13 insertions, 43 deletions
diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c index b90c01144fea..724234c9b01b 100644 --- a/drivers/pinctrl/pinctrl-coh901.c +++ b/drivers/pinctrl/pinctrl-coh901.c @@ -26,36 +26,6 @@ #include <mach/gpio-u300.h> /* - * Bias modes for U300 GPIOs - * - * GPIO_U300_CONFIG_BIAS_UNKNOWN: this bias mode is not known to us - * GPIO_U300_CONFIG_BIAS_FLOAT: no specific bias, the GPIO will float or state - * is not controlled by software - * GPIO_U300_CONFIG_BIAS_PULL_UP: the GPIO will be pulled up (usually with high - * impedance to VDD) - */ -#define GPIO_U300_CONFIG_BIAS_UNKNOWN 0x1000 -#define GPIO_U300_CONFIG_BIAS_FLOAT 0x1001 -#define GPIO_U300_CONFIG_BIAS_PULL_UP 0x1002 - -/* - * Drive modes for U300 GPIOs (output) - * - * GPIO_U300_CONFIG_DRIVE_PUSH_PULL: the GPIO will be driven actively high and - * low, this is the most typical case and is typically achieved with two - * active transistors on the output - * GPIO_U300_CONFIG_DRIVE_OPEN_DRAIN: the GPIO will be driven with open drain - * (open collector) which means it is usually wired with other output - * ports which are then pulled up with an external resistor - * GPIO_U300_CONFIG_DRIVE_OPEN_SOURCE: the GPIO will be driven with open drain - * (open emitter) which is the same as open drain mutatis mutandis but - * pulled to ground - */ -#define GPIO_U300_CONFIG_DRIVE_PUSH_PULL 0x2000 -#define GPIO_U300_CONFIG_DRIVE_OPEN_DRAIN 0x2001 -#define GPIO_U300_CONFIG_DRIVE_OPEN_SOURCE 0x2002 - -/* * Register definitions for COH 901 335 variant */ #define U300_335_PORT_STRIDE (0x1C) @@ -181,12 +151,12 @@ struct u300_gpio_confdata { #define BS365_GPIO_NUM_PORTS 5 #define U300_FLOATING_INPUT { \ - .bias_mode = GPIO_U300_CONFIG_BIAS_FLOAT, \ + .bias_mode = PIN_CONFIG_BIAS_HIGH_IMPEDANCE, \ .output = false, \ } #define U300_PULL_UP_INPUT { \ - .bias_mode = GPIO_U300_CONFIG_BIAS_PULL_UP, \ + .bias_mode = PIN_CONFIG_BIAS_PULL_UP, \ .output = false, \ } @@ -449,7 +419,7 @@ static int u300_gpio_to_irq(struct gpio_chip *chip, unsigned offset) } static int u300_gpio_config(struct gpio_chip *chip, unsigned offset, - u16 param, unsigned long *data) + enum pin_config_param param, unsigned long data) { struct u300_gpio *gpio = to_u300_gpio(chip); unsigned long flags; @@ -457,16 +427,16 @@ static int u300_gpio_config(struct gpio_chip *chip, unsigned offset, local_irq_save(flags); switch (param) { - case GPIO_U300_CONFIG_BIAS_UNKNOWN: - case GPIO_U300_CONFIG_BIAS_FLOAT: + case PIN_CONFIG_BIAS_DISABLE: + case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: val = readl(U300_PIN_REG(offset, per)); writel(val | U300_PIN_BIT(offset), U300_PIN_REG(offset, per)); break; - case GPIO_U300_CONFIG_BIAS_PULL_UP: + case PIN_CONFIG_BIAS_PULL_UP: val = readl(U300_PIN_REG(offset, per)); writel(val & ~U300_PIN_BIT(offset), U300_PIN_REG(offset, per)); break; - case GPIO_U300_CONFIG_DRIVE_PUSH_PULL: + case PIN_CONFIG_DRIVE_PUSH_PULL: val = readl(U300_PIN_REG(offset, pcr)); val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((offset & 0x07) << 1)); @@ -474,7 +444,7 @@ static int u300_gpio_config(struct gpio_chip *chip, unsigned offset, << ((offset & 0x07) << 1)); writel(val, U300_PIN_REG(offset, pcr)); break; - case GPIO_U300_CONFIG_DRIVE_OPEN_DRAIN: + case PIN_CONFIG_DRIVE_OPEN_DRAIN: val = readl(U300_PIN_REG(offset, pcr)); val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((offset & 0x07) << 1)); @@ -482,7 +452,7 @@ static int u300_gpio_config(struct gpio_chip *chip, unsigned offset, << ((offset & 0x07) << 1)); writel(val, U300_PIN_REG(offset, pcr)); break; - case GPIO_U300_CONFIG_DRIVE_OPEN_SOURCE: + case PIN_CONFIG_DRIVE_OPEN_SOURCE: val = readl(U300_PIN_REG(offset, pcr)); val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((offset & 0x07) << 1)); @@ -651,12 +621,12 @@ static void __init u300_gpio_init_pin(struct u300_gpio *gpio, /* Deactivate bias mode for output */ u300_gpio_config(&gpio->chip, offset, - GPIO_U300_CONFIG_BIAS_FLOAT, - NULL); + PIN_CONFIG_BIAS_HIGH_IMPEDANCE, + 0); /* Set drive mode for output */ u300_gpio_config(&gpio->chip, offset, - GPIO_U300_CONFIG_DRIVE_PUSH_PULL, NULL); + PIN_CONFIG_DRIVE_PUSH_PULL, 0); dev_dbg(gpio->dev, "set up pin %d as output, value: %d\n", offset, conf->outval); @@ -667,7 +637,7 @@ static void __init u300_gpio_init_pin(struct u300_gpio *gpio, u300_gpio_set(&gpio->chip, offset, 0); /* Set bias mode for input */ - u300_gpio_config(&gpio->chip, offset, conf->bias_mode, NULL); + u300_gpio_config(&gpio->chip, offset, conf->bias_mode, 0); dev_dbg(gpio->dev, "set up pin %d as input, bias: %04x\n", offset, conf->bias_mode); |