diff options
Diffstat (limited to 'chip/it83xx/gpio.c')
| -rw-r--r-- | chip/it83xx/gpio.c | 107 |
1 files changed, 81 insertions, 26 deletions
diff --git a/chip/it83xx/gpio.c b/chip/it83xx/gpio.c index 19a244c93a..24947cca59 100644 --- a/chip/it83xx/gpio.c +++ b/chip/it83xx/gpio.c @@ -18,12 +18,6 @@ #include "timer.h" #include "util.h" -/* - * Converts port (ie GPIO A) to base address offset of the control register - * (GPCRx0) for that port. - */ -#define CTRL_BASE(port) ((port)*8 + ((port) < GPIO_K ? 8 : 56)) - /** * Convert wake-up controller (WUC) group to the corresponding wake-up edge * sense register (WUESR). Return pointer to the register. @@ -189,6 +183,7 @@ static const struct { [IT83XX_IRQ_WKO131] = {GPIO_J, BIT(3), 14, BIT(3)}, [IT83XX_IRQ_WKO132] = {GPIO_J, BIT(4), 14, BIT(4)}, [IT83XX_IRQ_WKO133] = {GPIO_J, BIT(5), 14, BIT(5)}, + [IT83XX_IRQ_WKO134] = {GPIO_J, BIT(6), 14, BIT(6)}, [IT83XX_IRQ_WKO136] = {GPIO_L, BIT(0), 15, BIT(0)}, [IT83XX_IRQ_WKO137] = {GPIO_L, BIT(1), 15, BIT(1)}, [IT83XX_IRQ_WKO138] = {GPIO_L, BIT(2), 15, BIT(2)}, @@ -206,9 +201,34 @@ static const struct { [IT83XX_IRQ_WKO149] = {GPIO_M, BIT(5), 16, BIT(5)}, [IT83XX_IRQ_WKO150] = {GPIO_M, BIT(6), 16, BIT(6)}, #endif - [IT83XX_IRQ_COUNT-1] = {0, 0, 0, 0}, +#if defined(CHIP_FAMILY_IT8XXX1) || defined(CHIP_FAMILY_IT8XXX2) + [IT83XX_IRQ_GPO0] = {GPIO_O, BIT(0), 19, BIT(0)}, + [IT83XX_IRQ_GPO1] = {GPIO_O, BIT(1), 19, BIT(1)}, + [IT83XX_IRQ_GPO2] = {GPIO_O, BIT(2), 19, BIT(2)}, + [IT83XX_IRQ_GPO3] = {GPIO_O, BIT(3), 19, BIT(3)}, + [IT83XX_IRQ_GPP0] = {GPIO_P, BIT(0), 20, BIT(0)}, + [IT83XX_IRQ_GPP1] = {GPIO_P, BIT(1), 20, BIT(1)}, + [IT83XX_IRQ_GPP2] = {GPIO_P, BIT(2), 20, BIT(2)}, + [IT83XX_IRQ_GPP3] = {GPIO_P, BIT(3), 20, BIT(3)}, + [IT83XX_IRQ_GPP4] = {GPIO_P, BIT(4), 20, BIT(4)}, + [IT83XX_IRQ_GPP5] = {GPIO_P, BIT(5), 20, BIT(5)}, + [IT83XX_IRQ_GPP6] = {GPIO_P, BIT(6), 20, BIT(6)}, + [IT83XX_IRQ_GPQ0] = {GPIO_Q, BIT(0), 21, BIT(0)}, + [IT83XX_IRQ_GPQ1] = {GPIO_Q, BIT(1), 21, BIT(1)}, + [IT83XX_IRQ_GPQ2] = {GPIO_Q, BIT(2), 21, BIT(2)}, + [IT83XX_IRQ_GPQ3] = {GPIO_Q, BIT(3), 21, BIT(3)}, + [IT83XX_IRQ_GPQ4] = {GPIO_Q, BIT(4), 21, BIT(4)}, + [IT83XX_IRQ_GPQ5] = {GPIO_Q, BIT(5), 21, BIT(5)}, + [IT83XX_IRQ_GPR0] = {GPIO_R, BIT(0), 22, BIT(0)}, + [IT83XX_IRQ_GPR1] = {GPIO_R, BIT(1), 22, BIT(1)}, + [IT83XX_IRQ_GPR2] = {GPIO_R, BIT(2), 22, BIT(2)}, + [IT83XX_IRQ_GPR3] = {GPIO_R, BIT(3), 22, BIT(3)}, + [IT83XX_IRQ_GPR4] = {GPIO_R, BIT(4), 22, BIT(4)}, + [IT83XX_IRQ_GPR5] = {GPIO_R, BIT(5), 22, BIT(5)}, +#endif + [IT83XX_IRQ_COUNT] = { 0, 0, 0, 0}, }; -BUILD_ASSERT(ARRAY_SIZE(gpio_irqs) == IT83XX_IRQ_COUNT); +BUILD_ASSERT(ARRAY_SIZE(gpio_irqs) == IT83XX_IRQ_COUNT + 1); /** * Given a GPIO port and mask, find the corresponding WKO interrupt number. @@ -316,6 +336,19 @@ static const struct gpio_1p8v_t gpio_1p8v_sel[GPIO_PORT_COUNT][8] = { [5] = {&IT83XX_GPIO_GCR25, BIT(5)}, [6] = {&IT83XX_GPIO_GCR25, BIT(6)}, [7] = {&IT83XX_GPIO_GCR25, BIT(7)} }, +#if defined(CHIP_FAMILY_IT8XXX1) || defined(CHIP_FAMILY_IT8XXX2) + [GPIO_O] = { [0] = {&IT83XX_GPIO_GCR31, BIT(0)}, + [1] = {&IT83XX_GPIO_GCR31, BIT(1)}, + [2] = {&IT83XX_GPIO_GCR31, BIT(2)}, + [3] = {&IT83XX_GPIO_GCR31, BIT(3)} }, + [GPIO_P] = { [0] = {&IT83XX_GPIO_GCR32, BIT(0)}, + [1] = {&IT83XX_GPIO_GCR32, BIT(1)}, + [2] = {&IT83XX_GPIO_GCR32, BIT(2)}, + [3] = {&IT83XX_GPIO_GCR32, BIT(3)}, + [4] = {&IT83XX_GPIO_GCR32, BIT(4)}, + [5] = {&IT83XX_GPIO_GCR32, BIT(5)}, + [6] = {&IT83XX_GPIO_GCR32, BIT(6)} }, +#endif #else [GPIO_A] = { [4] = {&IT83XX_GPIO_GRC24, BIT(0)}, [5] = {&IT83XX_GPIO_GRC24, BIT(1)} }, @@ -376,11 +409,14 @@ static inline void it83xx_set_alt_func(uint32_t port, uint32_t pin, * Otherwise, turn the pin into an input as it's default. */ if (func != GPIO_ALT_FUNC_NONE) - IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) &= ~0xc0; + IT83XX_GPIO_CTRL(port, pin) &= ~(GPCR_PORT_PIN_MODE_OUTPUT | + GPCR_PORT_PIN_MODE_INPUT); else - IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) = - (IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) | 0x80) & ~0x40; + IT83XX_GPIO_CTRL(port, pin) = + (IT83XX_GPIO_CTRL(port, pin) | GPCR_PORT_PIN_MODE_INPUT) + & ~GPCR_PORT_PIN_MODE_OUTPUT; } + void gpio_set_alternate_function(uint32_t port, uint32_t mask, enum gpio_alternate_func func) { @@ -390,7 +426,6 @@ void gpio_set_alternate_function(uint32_t port, uint32_t mask, while (mask > 0) { if (mask & 1) it83xx_set_alt_func(port, pin, func); - pin++; mask >>= 1; } @@ -458,7 +493,7 @@ void gpio_set_flags_by_mask(uint32_t port, uint32_t mask, uint32_t flags) uint32_t pin = 0; uint32_t mask_copy = mask; - if (port > GPIO_KBS_OFF) { + if (port > GPIO_PORT_COUNT) { /* set up GPIO of KSO/KSI pins (support input only). */ gpio_kbs_pin_gpio_mode(port, mask, flags); return; @@ -486,26 +521,32 @@ void gpio_set_flags_by_mask(uint32_t port, uint32_t mask, uint32_t flags) if (mask_copy & 1) { /* Set input or output. */ if (flags & GPIO_OUTPUT) - IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) = - (IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) | 0x40) - & ~0x80; + IT83XX_GPIO_CTRL(port, pin) = + (IT83XX_GPIO_CTRL(port, pin) | + GPCR_PORT_PIN_MODE_OUTPUT) & + ~GPCR_PORT_PIN_MODE_INPUT; else - IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) = - (IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) | 0x80) - & ~0x40; + IT83XX_GPIO_CTRL(port, pin) = + (IT83XX_GPIO_CTRL(port, pin) | + GPCR_PORT_PIN_MODE_INPUT) & + ~GPCR_PORT_PIN_MODE_OUTPUT; /* Handle pullup / pulldown */ if (flags & GPIO_PULL_UP) { - IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) = - (IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) | 0x04) - & ~0x02; + IT83XX_GPIO_CTRL(port, pin) = + (IT83XX_GPIO_CTRL(port, pin) | + GPCR_PORT_PIN_MODE_PULLUP) & + ~GPCR_PORT_PIN_MODE_PULLDOWN; } else if (flags & GPIO_PULL_DOWN) { - IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) = - (IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) | 0x02) - & ~0x04; + IT83XX_GPIO_CTRL(port, pin) = + (IT83XX_GPIO_CTRL(port, pin) | + GPCR_PORT_PIN_MODE_PULLDOWN) & + ~GPCR_PORT_PIN_MODE_PULLUP; } else { /* No pull up/down */ - IT83XX_GPIO_CTRL(CTRL_BASE(port), pin) &= ~0x06; + IT83XX_GPIO_CTRL(port, pin) &= + ~(GPCR_PORT_PIN_MODE_PULLUP | + GPCR_PORT_PIN_MODE_PULLDOWN); } /* To select 1.8v or 3.3v support. */ @@ -631,6 +672,20 @@ void gpio_pre_init(void) IT83XX_USB_P0MCR &= ~USB_DP_DM_PULL_DOWN_EN; #endif +#if defined(CHIP_FAMILY_IT8XXX1) || defined(CHIP_FAMILY_IT8XXX2) + /* Q group pins are default GPI mode, clear alternate setting. */ + IT83XX_VBATPC_XLPIER = 0x0; + /* + * R group pins are default alternate output low, we clear alternate + * setting (sink power switch from VBAT to VSTBY) to become GPO output + * low. + * NOTE: GPR0~5 pins are output low by default. It should consider + * that if output low signal effect external circuit or not, + * until we reconfig these pins in gpio.inc. + */ + IT83XX_VBATPC_BGPOPSCR = 0x0; +#endif + for (i = 0; i < GPIO_COUNT; i++, g++) { flags = g->flags; |