diff options
| author | Alok Chauhan <alokc@nvidia.com> | 2011-02-24 14:50:12 +0530 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-03-03 10:39:59 -0800 |
| commit | fd642f7282df9b0e9ddcf0b66950dd3029910e35 (patch) | |
| tree | 30800058bba0ee3da6bc8898aa31803ab391d006 /arch | |
| parent | d64db664f2e8d6f4d08db249135011e32d54bc7a (diff) | |
[arm]:tegra: Add the code to change driver strength
Add the code to change drive strength of individual pin group and
increase the drive strength to max for i2c pin group. Change the
i2c pin to pull up.
Change-Id: I9ab84717a9ff6df78fa6c242420744d05ce09723
Reviewed-on: http://git-master/r/20745
Tested-by: Alok Chauhan <alokc@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'arch')
| -rwxr-xr-x[-rw-r--r--] | arch/arm/mach-tegra/board-ventana-pinmux.c | 25 | ||||
| -rwxr-xr-x[-rw-r--r--] | arch/arm/mach-tegra/include/mach/pinmux-t2.h | 3 |
2 files changed, 23 insertions, 5 deletions
diff --git a/arch/arm/mach-tegra/board-ventana-pinmux.c b/arch/arm/mach-tegra/board-ventana-pinmux.c index c65c222479e8..85c11e472f74 100644..100755 --- a/arch/arm/mach-tegra/board-ventana-pinmux.c +++ b/arch/arm/mach-tegra/board-ventana-pinmux.c @@ -30,15 +30,30 @@ .slew_falling = TEGRA_SLEW_SLOWEST, \ } +#define SET_DRIVE(_name, _hsm, _schmitt, _drive, _pulldn_drive, _pullup_drive, _pulldn_slew, _pullup_slew) \ + { \ + .pingroup = TEGRA_DRIVE_PINGROUP_##_name, \ + .hsm = TEGRA_HSM_##_hsm, \ + .schmitt = TEGRA_SCHMITT_##_schmitt, \ + .drive = TEGRA_DRIVE_##_drive, \ + .pull_down = TEGRA_PULL_##_pulldn_drive, \ + .pull_up = TEGRA_PULL_##_pullup_drive, \ + .slew_rising = TEGRA_SLEW_##_pulldn_slew, \ + .slew_falling = TEGRA_SLEW_##_pullup_slew, \ + } static __initdata struct tegra_drive_pingroup_config ventana_drive_pinmux[] = { DEFAULT_DRIVE(AO1), DEFAULT_DRIVE(AT1), DEFAULT_DRIVE(DBG), - DEFAULT_DRIVE(DDC), DEFAULT_DRIVE(VI1), DEFAULT_DRIVE(VI2), DEFAULT_DRIVE(SDIO1), + + SET_DRIVE(DDC, DISABLE, ENABLE, DIV_1, 31, 31, FASTEST, FASTEST), + SET_DRIVE(DTF, DISABLE, ENABLE, DIV_1, 31, 31, FASTEST, FASTEST), + SET_DRIVE(I2CP, DISABLE, ENABLE, DIV_1, 31, 31, FASTEST, FASTEST), + SET_DRIVE(RM, DISABLE, ENABLE, DIV_1, 31, 31, FASTEST, FASTEST), }; static __initdata struct tegra_pingroup_config ventana_pinmux[] = { @@ -55,13 +70,13 @@ static __initdata struct tegra_pingroup_config ventana_pinmux[] = { {TEGRA_PINGROUP_DAP2, TEGRA_MUX_DAP2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, {TEGRA_PINGROUP_DAP3, TEGRA_MUX_DAP3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, {TEGRA_PINGROUP_DAP4, TEGRA_MUX_DAP4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, - {TEGRA_PINGROUP_DDC, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DDC, TEGRA_MUX_RSVD2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_DTA, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_DTB, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_DTC, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_DTD, TEGRA_MUX_VI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_DTE, TEGRA_MUX_RSVD1, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, - {TEGRA_PINGROUP_DTF, TEGRA_MUX_I2C3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_DTF, TEGRA_MUX_I2C3, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_GMA, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_GMB, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE}, {TEGRA_PINGROUP_GMC, TEGRA_MUX_UARTD, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, @@ -71,7 +86,7 @@ static __initdata struct tegra_pingroup_config ventana_pinmux[] = { {TEGRA_PINGROUP_GPU7, TEGRA_MUX_RTCK, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_GPV, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_HDINT, TEGRA_MUX_HDMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, - {TEGRA_PINGROUP_I2CP, TEGRA_MUX_I2C, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_I2CP, TEGRA_MUX_I2C, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_IRRX, TEGRA_MUX_UARTB, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_IRTX, TEGRA_MUX_UARTB, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_KBCA, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, @@ -123,7 +138,7 @@ static __initdata struct tegra_pingroup_config ventana_pinmux[] = { {TEGRA_PINGROUP_OWC, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE}, {TEGRA_PINGROUP_PMC, TEGRA_MUX_PWR_ON, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_PTA, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, - {TEGRA_PINGROUP_RM, TEGRA_MUX_I2C, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, + {TEGRA_PINGROUP_RM, TEGRA_MUX_I2C, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_SDB, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_SDC, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, {TEGRA_PINGROUP_SDD, TEGRA_MUX_SDIO3, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL}, diff --git a/arch/arm/mach-tegra/include/mach/pinmux-t2.h b/arch/arm/mach-tegra/include/mach/pinmux-t2.h index 4c2626347263..966311b2e19c 100644..100755 --- a/arch/arm/mach-tegra/include/mach/pinmux-t2.h +++ b/arch/arm/mach-tegra/include/mach/pinmux-t2.h @@ -177,6 +177,9 @@ enum tegra_drive_pingroup { TEGRA_DRIVE_PINGROUP_GME, TEGRA_DRIVE_PINGROUP_OWR, TEGRA_DRIVE_PINGROUP_UAD, + TEGRA_DRIVE_PINGROUP_DTF, + TEGRA_DRIVE_PINGROUP_I2CP, + TEGRA_DRIVE_PINGROUP_RM, TEGRA_MAX_DRIVE_PINGROUP, }; |