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| author |   Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-03-23 16:06:00 +0200 |
|---|---|---|
| committer |   Geert Uytterhoeven <geert+renesas@glider.be> | 2016-03-29 09:23:01 +0200 |
| commit | 3caa7d8c3f03ad6f1b66f10f67dc68cb3af55fe1 (patch) | |
| tree | bba9820da349807a8581fdd59235406fcad48e40 /drivers/pinctrl/sh-pfc/sh_pfc.h | |
| parent | pinctrl: sh-pfc: IPSRx and MOD_SELx should be set before GPSRx (diff) | |
| download | linux-dev-3caa7d8c3f03ad6f1b66f10f67dc68cb3af55fe1.tar.xz linux-dev-3caa7d8c3f03ad6f1b66f10f67dc68cb3af55fe1.zip | |
pinctrl: sh-pfc: Add drive strength support
Add support for the drive-strengh pin configuration using the generic
pinconf DT bindings.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/pinctrl/sh-pfc/sh_pfc.h')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/sh_pfc.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h index 87140790d1f1..656ea32f776c 100644 --- a/drivers/pinctrl/sh-pfc/sh_pfc.h +++ b/drivers/pinctrl/sh-pfc/sh_pfc.h @@ -28,6 +28,7 @@ enum { #define SH_PFC_PIN_CFG_PULL_UP (1 << 2) #define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3) #define SH_PFC_PIN_CFG_IO_VOLTAGE (1 << 4) +#define SH_PFC_PIN_CFG_DRIVE_STRENGTH (1 << 5) #define SH_PFC_PIN_CFG_NO_GPIO (1 << 31) struct sh_pfc_pin { @@ -131,6 +132,21 @@ struct pinmux_cfg_reg { { var_fw0, var_fwn, 0 }, \ .enum_ids = (const u16 []) +struct pinmux_drive_reg_field { + u16 pin; + u8 offset; + u8 size; +}; + +struct pinmux_drive_reg { + u32 reg; + const struct pinmux_drive_reg_field fields[8]; +}; + +#define PINMUX_DRIVE_REG(name, r) \ + .reg = r, \ + .fields = + struct pinmux_data_reg { u32 reg; u8 reg_width; @@ -199,6 +215,7 @@ struct sh_pfc_soc_info { #endif const struct pinmux_cfg_reg *cfg_regs; + const struct pinmux_drive_reg *drive_regs; const struct pinmux_data_reg *data_regs; const u16 *pinmux_data; |