linux-imx
Public
Source
committed f777cda393758
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return 0;60
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}61
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static int amd_fch_gpio_direction_output(struct gpio_chip *gc,63
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unsigned int gpio, int value)64
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{65
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unsigned long flags;66
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struct amd_fch_gpio_priv *priv = gpiochip_get_data(gc);67
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void __iomem *ptr = amd_fch_gpio_addr(priv, gpio);68
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u32 val;68
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spin_lock_irqsave(&priv->lock, flags);70
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writel_relaxed(readl_relaxed(ptr) | AMD_FCH_GPIO_FLAG_DIRECTION, ptr);71
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val = readl_relaxed(ptr);73
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if (value)74
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val |= AMD_FCH_GPIO_FLAG_WRITE;75
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else76
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val &= ~AMD_FCH_GPIO_FLAG_WRITE;77
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writel_relaxed(val | AMD_FCH_GPIO_FLAG_DIRECTION, ptr);79
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spin_unlock_irqrestore(&priv->lock, flags);72
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return 0;74
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}75
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static int amd_fch_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio)77
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{78
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int ret;79
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unsigned long flags;80
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struct amd_fch_gpio_priv *priv = gpiochip_get_data(gc);