blob: 0382c008c89e66e89ee2dffefd8f1bd2e9413683 [file] [log] [blame]
/* Copyright (c) 2014-2015 The Linux Foundation. All rights reserved.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* SPI driver for Qualcomm MSM platforms.
* msm_spi_platform_data: msm spi-controller's configuration data
* @max_clock_speed max spi clock speed
* @active_only when set, votes when system active and removes the vote when
* system goes idle (optimises for performance). When unset, voting using
* runtime pm (optimizes for power).
* @master_id master id number of the controller's wrapper (BLSP or GSBI).
* When zero, clock path voting is disabled.
* @gpio_config pointer to function for configuring gpio
* @gpio_release pointer to function for releasing gpio pins
* @dma_config function poniter for configuring dma engine
* @pm_lat power management latency
* @infinite_mode use FIFO mode in infinite mode
* @ver_reg_exists if the version register exists
* @use_beam true if BAM is available
* @bam_consumer_pipe_index BAM conusmer pipe
* @bam_producer_pipe_index BAM producer pipe
* @rt_priority true if RT thread
* @use_pinctrl true if pinctrl library is used
* @is_shared true when qup is shared between ee's
struct msm_spi_platform_data {
u32 max_clock_speed;
bool active_only;
u32 master_id;
int (*gpio_config)(void);
void (*gpio_release)(void);
int (*dma_config)(void);
const char *rsl_id;
u32 pm_lat;
u32 infinite_mode;
bool ver_reg_exists;
bool use_bam;
u32 bam_consumer_pipe_index;
u32 bam_producer_pipe_index;
bool rt_priority;
bool use_pinctrl;
bool is_shared;