summaryrefslogtreecommitdiff
path: root/drivers/spi/spi-zynqmp-gqspi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi/spi-zynqmp-gqspi.c')
-rw-r--r--drivers/spi/spi-zynqmp-gqspi.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
index 9a46b2478f4e..99524a3c9f38 100644
--- a/drivers/spi/spi-zynqmp-gqspi.c
+++ b/drivers/spi/spi-zynqmp-gqspi.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Xilinx Zynq UltraScale+ MPSoC Quad-SPI (QSPI) controller driver
- * (master mode only)
+ * (host mode only)
*
* Copyright (C) 2009 - 2015 Xilinx, Inc.
*/
@@ -235,21 +235,21 @@ static inline void zynqmp_gqspi_write(struct zynqmp_qspi *xqspi, u32 offset,
}
/**
- * zynqmp_gqspi_selectslave - For selection of slave device
+ * zynqmp_gqspi_selecttarget - For selection of target device
* @instanceptr: Pointer to the zynqmp_qspi structure
- * @slavecs: For chip select
- * @slavebus: To check which bus is selected- upper or lower
+ * @targetcs: For chip select
+ * @targetbus: To check which bus is selected- upper or lower
*/
-static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr,
- u8 slavecs, u8 slavebus)
+static void zynqmp_gqspi_selecttarget(struct zynqmp_qspi *instanceptr,
+ u8 targetcs, u8 targetbus)
{
/*
* Bus and CS lines selected here will be updated in the instance and
* used for subsequent GENFIFO entries during transfer.
*/
- /* Choose slave select line */
- switch (slavecs) {
+ /* Choose target select line */
+ switch (targetcs) {
case GQSPI_SELECT_FLASH_CS_BOTH:
instanceptr->genfifocs = GQSPI_GENFIFO_CS_LOWER |
GQSPI_GENFIFO_CS_UPPER;
@@ -261,11 +261,11 @@ static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr,
instanceptr->genfifocs = GQSPI_GENFIFO_CS_LOWER;
break;
default:
- dev_warn(instanceptr->dev, "Invalid slave select\n");
+ dev_warn(instanceptr->dev, "Invalid target select\n");
}
/* Choose the bus */
- switch (slavebus) {
+ switch (targetbus) {
case GQSPI_SELECT_FLASH_BUS_BOTH:
instanceptr->genfifobus = GQSPI_GENFIFO_BUS_LOWER |
GQSPI_GENFIFO_BUS_UPPER;
@@ -277,7 +277,7 @@ static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr,
instanceptr->genfifobus = GQSPI_GENFIFO_BUS_LOWER;
break;
default:
- dev_warn(instanceptr->dev, "Invalid slave bus\n");
+ dev_warn(instanceptr->dev, "Invalid target bus\n");
}
}
@@ -337,13 +337,13 @@ static void zynqmp_qspi_set_tapdelay(struct zynqmp_qspi *xqspi, u32 baudrateval)
*
* The default settings of the QSPI controller's configurable parameters on
* reset are
- * - Master mode
+ * - Host mode
* - TX threshold set to 1
* - RX threshold set to 1
* - Flash memory interface mode enabled
* This function performs the following actions
* - Disable and clear all the interrupts
- * - Enable manual slave select
+ * - Enable manual target select
* - Enable manual start
* - Deselect all the chip select lines
* - Set the little endian mode of TX FIFO
@@ -426,9 +426,9 @@ static void zynqmp_qspi_init_hw(struct zynqmp_qspi *xqspi)
GQSPI_RX_FIFO_THRESHOLD);
zynqmp_gqspi_write(xqspi, GQSPI_GF_THRESHOLD_OFST,
GQSPI_GEN_FIFO_THRESHOLD_RESET_VAL);
- zynqmp_gqspi_selectslave(xqspi,
- GQSPI_SELECT_FLASH_CS_LOWER,
- GQSPI_SELECT_FLASH_BUS_LOWER);
+ zynqmp_gqspi_selecttarget(xqspi,
+ GQSPI_SELECT_FLASH_CS_LOWER,
+ GQSPI_SELECT_FLASH_BUS_LOWER);
/* Initialize DMA */
zynqmp_gqspi_write(xqspi,
GQSPI_QSPIDMA_DST_CTRL_OFST,
@@ -459,7 +459,7 @@ static void zynqmp_qspi_copy_read_data(struct zynqmp_qspi *xqspi,
*/
static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high)
{
- struct zynqmp_qspi *xqspi = spi_master_get_devdata(qspi->master);
+ struct zynqmp_qspi *xqspi = spi_controller_get_devdata(qspi->controller);
ulong timeout;
u32 genfifoentry = 0, statusreg;
@@ -594,7 +594,7 @@ static int zynqmp_qspi_config_op(struct zynqmp_qspi *xqspi,
*/
static int zynqmp_qspi_setup_op(struct spi_device *qspi)
{
- struct spi_controller *ctlr = qspi->master;
+ struct spi_controller *ctlr = qspi->controller;
struct zynqmp_qspi *xqspi = spi_controller_get_devdata(ctlr);
if (ctlr->busy)
@@ -1048,7 +1048,7 @@ static int zynqmp_qspi_exec_op(struct spi_mem *mem,
const struct spi_mem_op *op)
{
struct zynqmp_qspi *xqspi = spi_controller_get_devdata
- (mem->spi->master);
+ (mem->spi->controller);
int err = 0, i;
u32 genfifoentry = 0;
u16 opcode = op->cmd.opcode;
@@ -1224,7 +1224,7 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
u32 num_cs;
const struct qspi_platform_data *p_data;
- ctlr = spi_alloc_master(&pdev->dev, sizeof(*xqspi));
+ ctlr = spi_alloc_host(&pdev->dev, sizeof(*xqspi));
if (!ctlr)
return -ENOMEM;
@@ -1240,27 +1240,27 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
xqspi->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(xqspi->regs)) {
ret = PTR_ERR(xqspi->regs);
- goto remove_master;
+ goto remove_ctlr;
}
xqspi->pclk = devm_clk_get(&pdev->dev, "pclk");
if (IS_ERR(xqspi->pclk)) {
dev_err(dev, "pclk clock not found.\n");
ret = PTR_ERR(xqspi->pclk);
- goto remove_master;
+ goto remove_ctlr;
}
xqspi->refclk = devm_clk_get(&pdev->dev, "ref_clk");
if (IS_ERR(xqspi->refclk)) {
dev_err(dev, "ref_clk clock not found.\n");
ret = PTR_ERR(xqspi->refclk);
- goto remove_master;
+ goto remove_ctlr;
}
ret = clk_prepare_enable(xqspi->pclk);
if (ret) {
dev_err(dev, "Unable to enable APB clock.\n");
- goto remove_master;
+ goto remove_ctlr;
}
ret = clk_prepare_enable(xqspi->refclk);
@@ -1346,7 +1346,7 @@ clk_dis_all:
clk_disable_unprepare(xqspi->refclk);
clk_dis_pclk:
clk_disable_unprepare(xqspi->pclk);
-remove_master:
+remove_ctlr:
spi_controller_put(ctlr);
return ret;
generated by cgit (git 2.34.1) at 2024-06-03 16:40:00 +0000