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Diffstat (limited to 'board/zinger/usb_pd_config.h')
-rw-r--r--board/zinger/usb_pd_config.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/board/zinger/usb_pd_config.h b/board/zinger/usb_pd_config.h
index 0900f51a05..dac4bf2c63 100644
--- a/board/zinger/usb_pd_config.h
+++ b/board/zinger/usb_pd_config.h
@@ -29,7 +29,7 @@ static inline void spi_enable_clock(void)
#define TIM_CCR_IDX 1
/* connect TIM3 CH1 to TIM3_CH2 input */
#define TIM_CCR_CS 2
-#define EXTI_COMP 7
+#define EXTI_COMP_MASK (1 << 7)
#define IRQ_COMP STM32_IRQ_EXTI4_15
/* the RX is inverted, triggers on rising edge */
#define EXTI_XTSR STM32_EXTI_RTSR
@@ -44,7 +44,7 @@ static inline void pd_set_pins_speed(void)
}
/* Drive the CC line from the TX block */
-static inline void pd_tx_enable(void)
+static inline void pd_tx_enable(int polarity)
{
/* Drive TX GND on PA4 */
STM32_GPIO_BSRR(GPIO_A) = 1 << (4 + 16 /* Reset */);
@@ -53,7 +53,7 @@ static inline void pd_tx_enable(void)
}
/* Put the TX driver in Hi-Z state */
-static inline void pd_tx_disable(void)
+static inline void pd_tx_disable(int polarity)
{
/* Put TX GND (PA4) in Hi-Z state */
STM32_GPIO_BSRR(GPIO_A) = 1 << 4 /* Set */;
@@ -61,6 +61,12 @@ static inline void pd_tx_disable(void)
STM32_GPIO_MODER(GPIO_A) &= ~(0x3 << (2*6));
}
+/* we know the plug polarity, do the right configuration */
+static inline void pd_select_polarity(int polarity)
+{
+ /* captive cable : no polarity */
+}
+
/* Initialize pins used for TX and put them in Hi-Z */
static inline void pd_tx_init(void)
{