In order to help setup pin configuration for special pins (UFS, SDCard), introduce the msm_special_pin_data struct largely inspired from the Linux conterpart but with only U-Boot required fields.
This struct is added to the pins_data to allow specifying the special pins data for each SoC.
Signed-off-by: Neil Armstrong neil.armstrong@linaro.org --- arch/arm/mach-snapdragon/include/mach/gpio.h | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-snapdragon/include/mach/gpio.h b/arch/arm/mach-snapdragon/include/mach/gpio.h index 53c6ae06490..cc8f405e20b 100644 --- a/arch/arm/mach-snapdragon/include/mach/gpio.h +++ b/arch/arm/mach-snapdragon/include/mach/gpio.h @@ -10,11 +10,25 @@ #include <asm/types.h> #include <stdbool.h>
+struct msm_special_pin_data { + char *name; + + u32 ctl_reg; + u32 io_reg; + + unsigned pull_bit:5; + unsigned drv_bit:5; + + unsigned oe_bit:5; + unsigned in_bit:5; + unsigned out_bit:5; +}; + struct msm_pin_data { int pin_count; const unsigned int *pin_offsets; - /* Index of first special pin, these are ignored for now */ unsigned int special_pins_start; + const struct msm_special_pin_data *special_pins_data; };
static inline u32 qcom_pin_offset(const unsigned int *offs, unsigned int selector)