diff options
Diffstat (limited to 'board/toradex/apalis_t30/pinmux-config-apalis_t30.h')
| -rw-r--r-- | board/toradex/apalis_t30/pinmux-config-apalis_t30.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h index 49c2df7ab2..3a2cf4606e 100644 --- a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h +++ b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h @@ -11,7 +11,9 @@ .pingrp = PMUX_PINGRP_##_pingrp, \ .func = PMUX_FUNC_##_mux, \ .pull = PMUX_PULL_##_pull, \ +/* TRISTATE here means output driver is tri-stated */ \ .tristate = PMUX_TRI_##_tri, \ +/* INPUT here means input driver is enabled vs. OUTPUT where it is disabled */ \ .io = PMUX_PIN_##_io, \ .lock = PMUX_PIN_LOCK_DEFAULT, \ .od = PMUX_PIN_OD_DEFAULT, \ @@ -118,7 +120,8 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = { DEFAULT_PINMUX(ULPI_DATA6_PO7, UARTA, NORMAL, NORMAL, INPUT), DEFAULT_PINMUX(ULPI_DATA7_PO0, UARTA, NORMAL, NORMAL, OUTPUT), DEFAULT_PINMUX(ULPI_CLK_PY0, UARTD, NORMAL, NORMAL, OUTPUT), - DEFAULT_PINMUX(ULPI_DIR_PY1, UARTD, NORMAL, NORMAL, INPUT), + /* UARTD RX, make sure we don't get input form a floating Pin */ + DEFAULT_PINMUX(ULPI_DIR_PY1, UARTD, UP, NORMAL, INPUT), DEFAULT_PINMUX(ULPI_NXT_PY2, UARTD, NORMAL, NORMAL, INPUT), DEFAULT_PINMUX(ULPI_STP_PY3, UARTD, NORMAL, NORMAL, OUTPUT), DEFAULT_PINMUX(DAP3_FS_PP0, I2S2, NORMAL, NORMAL, INPUT), @@ -187,12 +190,14 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = { LV_PINMUX(VI_MCLK_PT1, VI, NORMAL, NORMAL, OUTPUT, DISABLE, DISABLE), LV_PINMUX(VI_PCLK_PT0, VI, NORMAL, NORMAL, INPUT, DISABLE, DISABLE), LV_PINMUX(VI_VSYNC_PD6, VI, NORMAL, NORMAL, INPUT, DISABLE, DISABLE), - DEFAULT_PINMUX(UART2_RXD_PC3, UARTB, NORMAL, NORMAL, INPUT), + /* UARTB RX, make sure we don't get input form a floating Pin */ + DEFAULT_PINMUX(UART2_RXD_PC3, UARTB, UP, NORMAL, INPUT), DEFAULT_PINMUX(UART2_TXD_PC2, UARTB, NORMAL, NORMAL, OUTPUT), DEFAULT_PINMUX(UART2_RTS_N_PJ6, UARTB, DOWN, TRISTATE, OUTPUT), /* NC */ DEFAULT_PINMUX(UART2_CTS_N_PJ5, UARTB, DOWN, TRISTATE, OUTPUT), /* NC */ DEFAULT_PINMUX(UART3_TXD_PW6, UARTC, NORMAL, NORMAL, OUTPUT), - DEFAULT_PINMUX(UART3_RXD_PW7, UARTC, NORMAL, NORMAL, INPUT), + /* UARTC RX, make sure we don't get input form a floating Pin */ + DEFAULT_PINMUX(UART3_RXD_PW7, UARTC, UP, NORMAL, INPUT), DEFAULT_PINMUX(UART3_CTS_N_PA1, UARTC, NORMAL, NORMAL, INPUT), DEFAULT_PINMUX(UART3_RTS_N_PC0, PWM0, NORMAL, NORMAL, OUTPUT), DEFAULT_PINMUX(PU0, RSVD1, DOWN, TRISTATE, OUTPUT), |