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regmap: regmap-irq/gpio-max77620: add level-irq support

Kaynağa Gözat 
Add level active IRQ support to regmap-irq irqchip. Change breaks
existing regmap-irq type setting. Convert the existing drivers which
use regmap-irq with trigger type setting (gpio-max77620) to work
with this new approach. So we do not magically support level-active
IRQs on gpio-max77620 - but add support to the regmap-irq for chips
which support them =)

We do not support distinguishing situation where HW supports rising
and falling edge detection but not both. Separating this would require
inventing yet another flags for IRQ types.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Bu işleme şunda yer alıyor:
Matti Vaittinen
2018-12-18 13:59:31 +02:00
işlemeyi yapan: Mark Brown
ebeveyn 84267d1b18
işleme 1c2928e3e3
3 değiştirilmiş dosya ile 110 ekleme ve 48 silme
Yama Dosyasını İndir Diff Dosyasını İndir Tüm dosyaları genişlet Tüm dosyaları daralt

96
drivers/gpio/gpio-max77620.c
Dosyayı Görüntüle

@@ -25,60 +25,92 @@ struct max77620_gpio {
static const struct regmap_irq max77620_gpio_irqs[] = {
[0] = {
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE0,
.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
.reg_offset = 0,
.type_reg_offset = 0,
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE0,
.type = {
.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
.type_reg_offset = 0,
.types_supported = IRQ_TYPE_EDGE_BOTH,
},
},
[1] = {
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE1,
.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
.reg_offset = 0,
.type_reg_offset = 1,
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE1,
.type = {
.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
.type_reg_offset = 1,
.types_supported = IRQ_TYPE_EDGE_BOTH,
},
},
[2] = {
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE2,
.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
.reg_offset = 0,
.type_reg_offset = 2,
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE2,
.type = {
.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
.type_reg_offset = 2,
.types_supported = IRQ_TYPE_EDGE_BOTH,
},
},
[3] = {
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE3,
.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
.reg_offset = 0,
.type_reg_offset = 3,
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE3,
.type = {
.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
.type_reg_offset = 3,
.types_supported = IRQ_TYPE_EDGE_BOTH,
},
},
[4] = {
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE4,
.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
.reg_offset = 0,
.type_reg_offset = 4,
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE4,
.type = {
.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
.type_reg_offset = 4,
.types_supported = IRQ_TYPE_EDGE_BOTH,
},
},
[5] = {
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE5,
.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
.reg_offset = 0,
.type_reg_offset = 5,
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE5,
.type = {
.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
.type_reg_offset = 5,
.types_supported = IRQ_TYPE_EDGE_BOTH,
},
},
[6] = {
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE6,
.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
.reg_offset = 0,
.type_reg_offset = 6,
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE6,
.type = {
.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
.type_reg_offset = 6,
.types_supported = IRQ_TYPE_EDGE_BOTH,
},
},
[7] = {
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE7,
.type_rising_mask = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_mask = MAX77620_CNFG_GPIO_INT_FALLING,
.reg_offset = 0,
.type_reg_offset = 7,
.mask = MAX77620_IRQ_LVL2_GPIO_EDGE7,
.type = {
.type_rising_val = MAX77620_CNFG_GPIO_INT_RISING,
.type_falling_val = MAX77620_CNFG_GPIO_INT_FALLING,
.type_reg_mask = MAX77620_CNFG_GPIO_INT_MASK,
.type_reg_offset = 7,
.types_supported = IRQ_TYPE_EDGE_BOTH,
},
},
};