This patch used platdata structure instead of priv for storing static information read from DT.
Signed-off-by: Vipul Kumar vipul.kumar@xilinx.com --- drivers/gpio/zynq_gpio.c | 67 ++++++++++++++++++++++++------------------------ 1 file changed, 34 insertions(+), 33 deletions(-)
diff --git a/drivers/gpio/zynq_gpio.c b/drivers/gpio/zynq_gpio.c index f793ee5..6fbaafb 100644 --- a/drivers/gpio/zynq_gpio.c +++ b/drivers/gpio/zynq_gpio.c @@ -93,7 +93,7 @@ /* GPIO upper 16 bit mask */ #define ZYNQ_GPIO_UPPER_MASK 0xFFFF0000
-struct zynq_gpio_privdata { +struct zynq_gpio_platdata { phys_addr_t base; const struct zynq_platform_data *p_data; }; @@ -162,20 +162,20 @@ static inline void zynq_gpio_get_bank_pin(unsigned int pin_num, unsigned int *bank_pin_num, struct udevice *dev) { - struct zynq_gpio_privdata *priv = dev_get_priv(dev); + struct zynq_gpio_platdata *platdata = dev_get_platdata(dev); u32 bank;
- for (bank = 0; bank < priv->p_data->max_bank; bank++) { - if ((pin_num >= priv->p_data->bank_min[bank]) && - (pin_num <= priv->p_data->bank_max[bank])) { - *bank_num = bank; - *bank_pin_num = pin_num - - priv->p_data->bank_min[bank]; - return; + for (bank = 0; bank < platdata->p_data->max_bank; bank++) { + if (pin_num >= platdata->p_data->bank_min[bank] && + pin_num <= platdata->p_data->bank_max[bank]) { + *bank_num = bank; + *bank_pin_num = pin_num - + platdata->p_data->bank_min[bank]; + return; } }
- if (bank >= priv->p_data->max_bank) { + if (bank >= platdata->p_data->max_bank) { printf("Invalid bank and pin num\n"); *bank_num = 0; *bank_pin_num = 0; @@ -184,9 +184,9 @@ static inline void zynq_gpio_get_bank_pin(unsigned int pin_num,
static int gpio_is_valid(unsigned gpio, struct udevice *dev) { - struct zynq_gpio_privdata *priv = dev_get_priv(dev); + struct zynq_gpio_platdata *platdata = dev_get_platdata(dev);
- return gpio < priv->p_data->ngpio; + return gpio < platdata->p_data->ngpio; }
static int check_gpio(unsigned gpio, struct udevice *dev) @@ -202,14 +202,14 @@ static int zynq_gpio_get_value(struct udevice *dev, unsigned gpio) { u32 data; unsigned int bank_num, bank_pin_num; - struct zynq_gpio_privdata *priv = dev_get_priv(dev); + struct zynq_gpio_platdata *platdata = dev_get_platdata(dev);
if (check_gpio(gpio, dev) < 0) return -1;
zynq_gpio_get_bank_pin(gpio, &bank_num, &bank_pin_num, dev);
- data = readl(priv->base + + data = readl(platdata->base + ZYNQ_GPIO_DATA_RO_OFFSET(bank_num));
return (data >> bank_pin_num) & 1; @@ -218,7 +218,7 @@ static int zynq_gpio_get_value(struct udevice *dev, unsigned gpio) static int zynq_gpio_set_value(struct udevice *dev, unsigned gpio, int value) { unsigned int reg_offset, bank_num, bank_pin_num; - struct zynq_gpio_privdata *priv = dev_get_priv(dev); + struct zynq_gpio_platdata *platdata = dev_get_platdata(dev);
if (check_gpio(gpio, dev) < 0) return -1; @@ -241,7 +241,7 @@ static int zynq_gpio_set_value(struct udevice *dev, unsigned gpio, int value) value = ~(1 << (bank_pin_num + ZYNQ_GPIO_MID_PIN_NUM)) & ((value << bank_pin_num) | ZYNQ_GPIO_UPPER_MASK);
- writel(value, priv->base + reg_offset); + writel(value, platdata->base + reg_offset);
return 0; } @@ -250,7 +250,7 @@ static int zynq_gpio_direction_input(struct udevice *dev, unsigned gpio) { u32 reg; unsigned int bank_num, bank_pin_num; - struct zynq_gpio_privdata *priv = dev_get_priv(dev); + struct zynq_gpio_platdata *platdata = dev_get_platdata(dev);
if (check_gpio(gpio, dev) < 0) return -1; @@ -262,9 +262,9 @@ static int zynq_gpio_direction_input(struct udevice *dev, unsigned gpio) return -1;
/* clear the bit in direction mode reg to set the pin as input */ - reg = readl(priv->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num)); + reg = readl(platdata->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num)); reg &= ~BIT(bank_pin_num); - writel(reg, priv->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num)); + writel(reg, platdata->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num));
return 0; } @@ -274,7 +274,7 @@ static int zynq_gpio_direction_output(struct udevice *dev, unsigned gpio, { u32 reg; unsigned int bank_num, bank_pin_num; - struct zynq_gpio_privdata *priv = dev_get_priv(dev); + struct zynq_gpio_platdata *platdata = dev_get_platdata(dev);
if (check_gpio(gpio, dev) < 0) return -1; @@ -282,14 +282,14 @@ static int zynq_gpio_direction_output(struct udevice *dev, unsigned gpio, zynq_gpio_get_bank_pin(gpio, &bank_num, &bank_pin_num, dev);
/* set the GPIO pin as output */ - reg = readl(priv->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num)); + reg = readl(platdata->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num)); reg |= BIT(bank_pin_num); - writel(reg, priv->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num)); + writel(reg, platdata->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num));
/* configure the output enable reg for the pin */ - reg = readl(priv->base + ZYNQ_GPIO_OUTEN_OFFSET(bank_num)); + reg = readl(platdata->base + ZYNQ_GPIO_OUTEN_OFFSET(bank_num)); reg |= BIT(bank_pin_num); - writel(reg, priv->base + ZYNQ_GPIO_OUTEN_OFFSET(bank_num)); + writel(reg, platdata->base + ZYNQ_GPIO_OUTEN_OFFSET(bank_num));
/* set the state of the pin */ gpio_set_value(gpio, value); @@ -300,7 +300,7 @@ static int zynq_gpio_get_function(struct udevice *dev, unsigned offset) { u32 reg; unsigned int bank_num, bank_pin_num; - struct zynq_gpio_privdata *priv = dev_get_priv(dev); + struct zynq_gpio_platdata *platdata = dev_get_platdata(dev);
if (check_gpio(offset, dev) < 0) return -1; @@ -308,7 +308,7 @@ static int zynq_gpio_get_function(struct udevice *dev, unsigned offset) zynq_gpio_get_bank_pin(offset, &bank_num, &bank_pin_num, dev);
/* set the GPIO pin as output */ - reg = readl(priv->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num)); + reg = readl(platdata->base + ZYNQ_GPIO_DIRM_OFFSET(bank_num)); reg &= BIT(bank_pin_num); if (reg) return GPIOF_OUTPUT; @@ -334,24 +334,25 @@ static const struct udevice_id zynq_gpio_ids[] = {
static int zynq_gpio_probe(struct udevice *dev) { - struct zynq_gpio_privdata *priv = dev_get_priv(dev); + struct zynq_gpio_platdata *platdata = dev_get_platdata(dev); struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
uc_priv->bank_name = dev->name;
- if (priv->p_data) - uc_priv->gpio_count = priv->p_data->ngpio; + if (platdata->p_data) + uc_priv->gpio_count = platdata->p_data->ngpio;
return 0; }
static int zynq_gpio_ofdata_to_platdata(struct udevice *dev) { - struct zynq_gpio_privdata *priv = dev_get_priv(dev); + struct zynq_gpio_platdata *platdata = dev_get_platdata(dev);
- priv->base = (phys_addr_t)dev_read_addr(dev); + platdata->base = (phys_addr_t)dev_read_addr(dev);
- priv->p_data = (struct zynq_platform_data *)dev_get_driver_data(dev); + platdata->p_data = + (struct zynq_platform_data *)dev_get_driver_data(dev);
return 0; } @@ -363,5 +364,5 @@ U_BOOT_DRIVER(gpio_zynq) = { .of_match = zynq_gpio_ids, .ofdata_to_platdata = zynq_gpio_ofdata_to_platdata, .probe = zynq_gpio_probe, - .priv_auto_alloc_size = sizeof(struct zynq_gpio_privdata), + .platdata_auto_alloc_size = sizeof(struct zynq_gpio_platdata), };