diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2013-01-18 11:41:36 +0100 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2013-01-21 10:33:02 +0100 |
| commit | f627315ac4e4b3109dac75701c3242390af5ba57 (patch) | |
| tree | 99682fcf41511971cfc2655be5402d99f6a0f24b | |
| parent | 289ac5ac4d2c2a6363e8dc640c287e6ad073f4ec (diff) | |
colibri_t30: set DD pins to push/pull
set DD pins to push/pull if not used for I2C in open drain mode
| -rw-r--r-- | arch/arm/mach-tegra/board-colibri_t30-pinmux.c | 24 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board-colibri_t30.c | 3 |
2 files changed, 15 insertions, 12 deletions
diff --git a/arch/arm/mach-tegra/board-colibri_t30-pinmux.c b/arch/arm/mach-tegra/board-colibri_t30-pinmux.c index fb9c54de6fce..67a124b460c4 100644 --- a/arch/arm/mach-tegra/board-colibri_t30-pinmux.c +++ b/arch/arm/mach-tegra/board-colibri_t30-pinmux.c @@ -133,15 +133,15 @@ static __initdata struct tegra_drive_pingroup_config colibri_t30_drive_pinmux[] static __initdata struct tegra_pingroup_config colibri_t30_pinmux[] = { //multiplexed KB_ROW_13 #ifdef COLIBRI_T30_SDMMC4B - I2C_PINMUX(CAM_I2C_SCL, POPSDMMC4, PULL_UP, NORMAL, INPUT, DISABLE, DISABLE), + I2C_PINMUX(CAM_I2C_SCL, POPSDMMC4, PULL_UP, NORMAL, INPUT, DEFAULT, DISABLE), #else - DEFAULT_PINMUX(CAM_I2C_SCL, I2C3, NORMAL, TRISTATE, OUTPUT), + I2C_PINMUX(CAM_I2C_SCL, I2C3, NORMAL, TRISTATE, OUTPUT, DEFAULT, DISABLE), #endif //multiplexed KB_ROW_14 #ifdef COLIBRI_T30_SDMMC4B - I2C_PINMUX(CAM_I2C_SDA, POPSDMMC4, PULL_UP, NORMAL, INPUT, DISABLE, DISABLE), + I2C_PINMUX(CAM_I2C_SDA, POPSDMMC4, PULL_UP, NORMAL, INPUT, DEFAULT, DISABLE), #else - DEFAULT_PINMUX(CAM_I2C_SDA, I2C3, NORMAL, TRISTATE, OUTPUT), + I2C_PINMUX(CAM_I2C_SDA, I2C3, NORMAL, TRISTATE, OUTPUT, DEFAULT, DISABLE), #endif //multiplexed KB_ROW_10 #ifdef COLIBRI_T30_SDMMC4B @@ -188,14 +188,14 @@ static __initdata struct tegra_pingroup_config colibri_t30_pinmux[] = { DEFAULT_PINMUX(DAP4_FS, GMI, NORMAL, NORMAL, INPUT), DEFAULT_PINMUX(DAP4_SCLK, GMI, NORMAL, NORMAL, INPUT), - I2C_PINMUX(DDC_SCL, I2C4, NORMAL, NORMAL, INPUT, DISABLE, ENABLE), - I2C_PINMUX(DDC_SDA, I2C4, NORMAL, NORMAL, INPUT, DISABLE, ENABLE), + I2C_PINMUX(DDC_SCL, I2C4, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE), + I2C_PINMUX(DDC_SDA, I2C4, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE), - I2C_PINMUX(GEN1_I2C_SCL, I2C1, NORMAL, NORMAL, INPUT, DISABLE, ENABLE), - I2C_PINMUX(GEN1_I2C_SDA, I2C1, NORMAL, NORMAL, INPUT, DISABLE, ENABLE), + I2C_PINMUX(GEN1_I2C_SCL, I2C1, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE), + I2C_PINMUX(GEN1_I2C_SDA, I2C1, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE), - DEFAULT_PINMUX(GEN2_I2C_SCL, RSVD3, NORMAL, NORMAL, INPUT), - DEFAULT_PINMUX(GEN2_I2C_SDA, RSVD3, NORMAL, NORMAL, INPUT), + I2C_PINMUX(GEN2_I2C_SCL, RSVD3, NORMAL, NORMAL, INPUT, DEFAULT, DISABLE), + I2C_PINMUX(GEN2_I2C_SDA, RSVD3, NORMAL, NORMAL, INPUT, DEFAULT, DISABLE), DEFAULT_PINMUX(GMI_A16, UARTD, NORMAL, NORMAL, INPUT), DEFAULT_PINMUX(GMI_A17, UARTD, NORMAL, NORMAL, INPUT), @@ -461,8 +461,8 @@ static __initdata struct tegra_pingroup_config colibri_t30_pinmux[] = { DEFAULT_PINMUX(PEX_WAKE_N, RSVD2, NORMAL, NORMAL, INPUT), /* Power I2C pinmux */ - I2C_PINMUX(PWR_I2C_SCL, I2CPWR, NORMAL, NORMAL, INPUT, DISABLE, ENABLE), - I2C_PINMUX(PWR_I2C_SDA, I2CPWR, NORMAL, NORMAL, INPUT, DISABLE, ENABLE), + I2C_PINMUX(PWR_I2C_SCL, I2CPWR, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE), + I2C_PINMUX(PWR_I2C_SDA, I2CPWR, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE), #ifdef COLIBRI_T30_VI //multiplexed VI_PCLK diff --git a/arch/arm/mach-tegra/board-colibri_t30.c b/arch/arm/mach-tegra/board-colibri_t30.c index 3f47b53d61dd..4a2778dc5b1f 100644 --- a/arch/arm/mach-tegra/board-colibri_t30.c +++ b/arch/arm/mach-tegra/board-colibri_t30.c @@ -158,6 +158,9 @@ static struct tegra_clk_init_table colibri_t30_clk_init_table[] __initdata = { /* I2C */ +/* Make sure that the pinmuxing enable the 'open drain' feature for pins used + for I2C */ + /* GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier board) */ static struct i2c_board_info colibri_t30_i2c_bus1_board_info[] __initdata = { { |