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Commit fbdd1b2a authored by Mark Brown's avatar Mark Brown
Browse files

Merge remote-tracking branches 'spi/topic/loopback', 'spi/topic/omap2-mcspi',... 

Merge remote-tracking branches 'spi/topic/loopback', 'spi/topic/omap2-mcspi', 'spi/topic/orion', 'spi/topic/pl022' and 'spi/topic/sc18is602' into spi-next
parents a2d5eda0 e542f7e6 81261359 1017f424 3c85871a 68c97b92

Documentation/devicetree/bindings/spi/spi_pl022.txt

+4 −4
Original line number Diff line number Diff line
@@ -30,7 +30,10 @@ contain the following properties. 
	0: SPI

	1: Texas Instruments Synchronous Serial Frame Format

	2: Microwire (Half Duplex)

- pl022,com-mode : polling, interrupt or dma

- pl022,com-mode : specifies the transfer mode:

	0: interrupt mode

	1: polling mode (default mode if property not present)

	2: DMA mode

- pl022,rx-level-trig : Rx FIFO watermark level

- pl022,tx-level-trig : Tx FIFO watermark level

- pl022,ctrl-len : Microwire interface: Control length
@@ -56,9 +59,7 @@ Example: 
			spi-max-frequency = <12000000>;

			spi-cpol;

			spi-cpha;

			pl022,hierarchy = <0>;

			pl022,interface = <0>;

			pl022,slave-tx-disable;

			pl022,com-mode = <0x2>;

			pl022,rx-level-trig = <0>;

			pl022,tx-level-trig = <0>;
@@ -67,4 +68,3 @@ Example: 
			pl022,duplex = <0>;

		};

	};

drivers/spi/spi-loopback-test.c

+28 −7
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <linux/module.h>

#include <linux/of_device.h>

#include <linux/printk.h>

#include <linux/vmalloc.h>

#include <linux/spi/spi.h>



#include "spi-test.h"
@@ -55,6 +56,18 @@ module_param(run_only_test, int, 0); 
MODULE_PARM_DESC(run_only_test,

		 "only run the test with this number (0-based !)");



/* use vmalloc'ed buffers */

int use_vmalloc;

module_param(use_vmalloc, int, 0644);

MODULE_PARM_DESC(use_vmalloc,

		 "use vmalloc'ed buffers instead of kmalloc'ed");



/* check rx ranges */

int check_ranges = 1;

module_param(check_ranges, int, 0644);

MODULE_PARM_DESC(check_ranges,

		 "checks rx_buffer pattern are valid");



/* the actual tests to execute */

static struct spi_test spi_tests[] = {

	{
@@ -492,9 +505,11 @@ static int spi_test_check_loopback_result(struct spi_device *spi, 
	int ret;



	/* checks rx_buffer pattern are valid with loopback or without */

	if (check_ranges) {

		ret = spi_check_rx_ranges(spi, msg, rx);

		if (ret)

			return ret;

	}



	/* if we run without loopback, then return now */

	if (!loopback)
@@ -965,12 +980,18 @@ int spi_test_run_tests(struct spi_device *spi, 
	/* allocate rx/tx buffers of 128kB size without devm

	 * in the hope that is on a page boundary

	 */

	if (use_vmalloc)

		rx = vmalloc(SPI_TEST_MAX_SIZE_PLUS);

	else

		rx = kzalloc(SPI_TEST_MAX_SIZE_PLUS, GFP_KERNEL);

	if (!rx) {

		ret = -ENOMEM;

		goto out;

	}



	if (use_vmalloc)

		tx = vmalloc(SPI_TEST_MAX_SIZE_PLUS);

	else

		tx = kzalloc(SPI_TEST_MAX_SIZE_PLUS, GFP_KERNEL);

	if (!tx) {

		ret = -ENOMEM;
@@ -999,8 +1020,8 @@ int spi_test_run_tests(struct spi_device *spi, 
	}



out:

	kfree(rx);

	kfree(tx);

	kvfree(rx);

	kvfree(tx);

	return ret;

}

EXPORT_SYMBOL_GPL(spi_test_run_tests);

drivers/spi/spi-omap2-mcspi.c

+5 −4
Original line number Diff line number Diff line
@@ -454,6 +454,8 @@ omap2_mcspi_rx_dma(struct spi_device *spi, struct spi_transfer *xfer, 
	int			elements = 0;

	int			word_len, element_count;

	struct omap2_mcspi_cs	*cs = spi->controller_state;

	void __iomem		*chstat_reg = cs->base + OMAP2_MCSPI_CHSTAT0;



	mcspi = spi_master_get_devdata(spi->master);

	mcspi_dma = &mcspi->dma_channels[spi->chip_select];

	count = xfer->len;
@@ -549,8 +551,8 @@ omap2_mcspi_rx_dma(struct spi_device *spi, struct spi_transfer *xfer, 
	if (l & OMAP2_MCSPI_CHCONF_TURBO) {

		elements--;



		if (likely(mcspi_read_cs_reg(spi, OMAP2_MCSPI_CHSTAT0)

				   & OMAP2_MCSPI_CHSTAT_RXS)) {

		if (!mcspi_wait_for_reg_bit(chstat_reg,

					    OMAP2_MCSPI_CHSTAT_RXS)) {

			u32 w;



			w = mcspi_read_cs_reg(spi, OMAP2_MCSPI_RX0);
@@ -568,8 +570,7 @@ omap2_mcspi_rx_dma(struct spi_device *spi, struct spi_transfer *xfer, 
			return count;

		}

	}

	if (likely(mcspi_read_cs_reg(spi, OMAP2_MCSPI_CHSTAT0)

				& OMAP2_MCSPI_CHSTAT_RXS)) {

	if (!mcspi_wait_for_reg_bit(chstat_reg, OMAP2_MCSPI_CHSTAT_RXS)) {

		u32 w;



		w = mcspi_read_cs_reg(spi, OMAP2_MCSPI_RX0);

drivers/spi/spi-orion.c

+9 −2
Original line number Diff line number Diff line
@@ -39,6 +39,8 @@ 


#define ORION_SPI_IF_CTRL_REG		0x00

#define ORION_SPI_IF_CONFIG_REG		0x04

#define ORION_SPI_IF_RXLSBF		BIT(14)

#define ORION_SPI_IF_TXLSBF		BIT(13)

#define ORION_SPI_DATA_OUT_REG		0x08

#define ORION_SPI_DATA_IN_REG		0x0c

#define ORION_SPI_INT_CAUSE_REG		0x10
@@ -234,6 +236,11 @@ orion_spi_mode_set(struct spi_device *spi) 
		reg |= ORION_SPI_MODE_CPOL;

	if (spi->mode & SPI_CPHA)

		reg |= ORION_SPI_MODE_CPHA;

	if (spi->mode & SPI_LSB_FIRST)

		reg |= ORION_SPI_IF_RXLSBF | ORION_SPI_IF_TXLSBF;

	else

		reg &= ~(ORION_SPI_IF_RXLSBF | ORION_SPI_IF_TXLSBF);



	writel(reg, spi_reg(orion_spi, ORION_SPI_IF_CONFIG_REG));

}
@@ -591,8 +598,8 @@ static int orion_spi_probe(struct platform_device *pdev) 
			master->bus_num = cell_index;

	}



	/* we support only mode 0, and no options */

	master->mode_bits = SPI_CPHA | SPI_CPOL;

	/* we support all 4 SPI modes and LSB first option */

	master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST;

	master->set_cs = orion_spi_set_cs;

	master->transfer_one = orion_spi_transfer_one;

	master->num_chipselect = ORION_NUM_CHIPSELECTS;

drivers/spi/spi-sc18is602.c

+23 −1
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include <linux/i2c.h>

#include <linux/delay.h>

#include <linux/pm_runtime.h>

#include <linux/of_device.h>

#include <linux/of.h>

#include <linux/platform_data/sc18is602.h>

#include <linux/gpio/consumer.h>
@@ -271,6 +272,9 @@ static int sc18is602_probe(struct i2c_client *client, 
	hw->dev = dev;

	hw->ctrl = 0xff;



	if (client->dev.of_node)

		hw->id = (enum chips)of_device_get_match_data(&client->dev);

	else

		hw->id = id->driver_data;



	switch (hw->id) {
@@ -323,9 +327,27 @@ static const struct i2c_device_id sc18is602_id[] = { 
};

MODULE_DEVICE_TABLE(i2c, sc18is602_id);



static const struct of_device_id sc18is602_of_match[] = {

	{

		.compatible = "nxp,sc18is602",

		.data = (void *)sc18is602

	},

	{

		.compatible = "nxp,sc18is602b",

		.data = (void *)sc18is602b

	},

	{

		.compatible = "nxp,sc18is603",

		.data = (void *)sc18is603

	},

	{ },

};

MODULE_DEVICE_TABLE(of, sc18is602_of_match);



static struct i2c_driver sc18is602_driver = {

	.driver = {

		.name = "sc18is602",

		.of_match_table = of_match_ptr(sc18is602_of_match),

	},

	.probe = sc18is602_probe,

	.id_table = sc18is602_id,