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authorPritesh Raithatha <praithatha@nvidia.com>2013-01-08 13:02:36 +0530
committerLinus Walleij <linus.walleij@linaro.org>2013-01-18 16:13:52 +0100
commit348d1bf75c09f854630e9bd161dc2a88aebe2149 (patch)
treeb7f3fd0f286d8191584c8d2f0200a29121e1acf2 /drivers/pinctrl/pinctrl-tegra.h
parentb2083062a3b4035e85349120b426ecef2b6d155f (diff)
downloadlinux-348d1bf75c09f854630e9bd161dc2a88aebe2149.tar.bz2
pinctrl: tegra: add support for rcv-sel and drive type
NVIDIA's Tegra114 added two more configuration parameter in pinmux i.e. rcv-sel and drive type. rcv-sel: Select between High and Normal VIL/VIH receivers. RCVR_SEL=1: High VIL/VIH RCVR_SEL=0: Normal VIL/VIH drv_type: Ouptput drive type: 33-50 ohm driver: 0x1 66-100ohm driver: 0x0 Add support of these parameters to be configure from DTS file. Tegra20 and Tegra30 does not support this configuration and hence initialize their pinmux structure with reg = -1. Originally written by Pritesh Raithatha. Changes by ldewangan: - remove drvtype_width as it is always 2. - Better describe the change. Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com> Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-tegra.h')
-rw-r--r--drivers/pinctrl/pinctrl-tegra.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-tegra.h b/drivers/pinctrl/pinctrl-tegra.h
index 62e380965c68..817f7061dc4c 100644
--- a/drivers/pinctrl/pinctrl-tegra.h
+++ b/drivers/pinctrl/pinctrl-tegra.h
@@ -30,6 +30,8 @@ enum tegra_pinconf_param {
/* argument: Boolean */
TEGRA_PINCONF_PARAM_IORESET,
/* argument: Boolean */
+ TEGRA_PINCONF_PARAM_RCV_SEL,
+ /* argument: Boolean */
TEGRA_PINCONF_PARAM_HIGH_SPEED_MODE,
/* argument: Boolean */
TEGRA_PINCONF_PARAM_SCHMITT,
@@ -43,6 +45,8 @@ enum tegra_pinconf_param {
TEGRA_PINCONF_PARAM_SLEW_RATE_FALLING,
/* argument: Integer, range is HW-dependant */
TEGRA_PINCONF_PARAM_SLEW_RATE_RISING,
+ /* argument: Integer, range is HW-dependant */
+ TEGRA_PINCONF_PARAM_DRIVE_TYPE,
};
enum tegra_pinconf_pull {
@@ -95,6 +99,9 @@ struct tegra_function {
* @ioreset_reg: IO reset register offset. -1 if unsupported.
* @ioreset_bank: IO reset register bank. 0 if unsupported.
* @ioreset_bit: IO reset register bit. 0 if unsupported.
+ * @rcv_sel_reg: Receiver select offset. -1 if unsupported.
+ * @rcv_sel_bank: Receiver select bank. 0 if unsupported.
+ * @rcv_sel_bit: Receiver select bit. 0 if unsupported.
* @drv_reg: Drive fields register offset. -1 if unsupported.
* This register contains the hsm, schmitt, lpmd, drvdn,
* drvup, slwr, and slwf parameters.
@@ -110,6 +117,9 @@ struct tegra_function {
* @slwr_width: Slew Rising field width. 0 if unsupported.
* @slwf_bit: Slew Falling register bit. 0 if unsupported.
* @slwf_width: Slew Falling field width. 0 if unsupported.
+ * @drvtype_reg: Drive type fields register offset. -1 if unsupported.
+ * @drvtype_bank: Drive type fields register bank. 0 if unsupported.
+ * @drvtype_bit: Drive type register bit. 0 if unsupported.
*
* A representation of a group of pins (possibly just one pin) in the Tegra
* pin controller. Each group allows some parameter or parameters to be
@@ -131,15 +141,19 @@ struct tegra_pingroup {
s16 odrain_reg;
s16 lock_reg;
s16 ioreset_reg;
+ s16 rcv_sel_reg;
s16 drv_reg;
+ s16 drvtype_reg;
u32 mux_bank:2;
u32 pupd_bank:2;
u32 tri_bank:2;
u32 einput_bank:2;
u32 odrain_bank:2;
u32 ioreset_bank:2;
+ u32 rcv_sel_bank:2;
u32 lock_bank:2;
u32 drv_bank:2;
+ u32 drvtype_bank:2;
u32 mux_bit:5;
u32 pupd_bit:5;
u32 tri_bit:5;
@@ -147,6 +161,7 @@ struct tegra_pingroup {
u32 odrain_bit:5;
u32 lock_bit:5;
u32 ioreset_bit:5;
+ u32 rcv_sel_bit:5;
u32 hsm_bit:5;
u32 schmitt_bit:5;
u32 lpmd_bit:5;
@@ -154,6 +169,7 @@ struct tegra_pingroup {
u32 drvup_bit:5;
u32 slwr_bit:5;
u32 slwf_bit:5;
+ u32 drvtype_bit:5;
u32 drvdn_width:6;
u32 drvup_width:6;
u32 slwr_width:6;