diff options
| author | Alok Chauhan <alokc@nvidia.com> | 2011-03-08 11:54:32 +0530 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-03-08 17:41:03 -0800 |
| commit | fdbf3edc9b6690a56099ce72a829ca5a85b5fb35 (patch) | |
| tree | 386dcc521ddfae63df8d6988a576b666ebf82268 | |
| parent | 7e4d263600d8166bc5be71477f418da2b25aaaf0 (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.
Reviewed-on: http://git-master/r/20745
(cherry picked from commit fd642f7282df9b0e9ddcf0b66950dd3029910e35)
Change-Id: I6f4b5fb75daddc2418bcd9a8f392b852a9924ad0
Reviewed-on: http://git-master/r/22004
Reviewed-by: Alok Chauhan <alokc@nvidia.com>
Tested-by: Alok Chauhan <alokc@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
| -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 68131a212c0c..039cb99e3b01 100644..100755 --- a/arch/arm/mach-tegra/board-ventana-pinmux.c +++ b/arch/arm/mach-tegra/board-ventana-pinmux.c @@ -30,13 +30,28 @@ .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(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[] = { @@ -53,13 +68,13 @@ 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}, @@ -69,7 +84,7 @@ 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}, @@ -121,7 +136,7 @@ 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, }; |