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spi: zynqmp-gqspi: switch to use modern name
Change legacy name master/slave to modern name host/target or controller. No functional changed. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://msgid.link/r/20231128093031.3707034-25-yangyingliang@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -1,7 +1,7 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Xilinx Zynq UltraScale+ MPSoC Quad-SPI (QSPI) controller driver
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* (master mode only)
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* (host mode only)
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*
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* Copyright (C) 2009 - 2015 Xilinx, Inc.
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*/
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@ -235,21 +235,21 @@ static inline void zynqmp_gqspi_write(struct zynqmp_qspi *xqspi, u32 offset,
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}
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/**
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* zynqmp_gqspi_selectslave - For selection of slave device
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* zynqmp_gqspi_selecttarget - For selection of target device
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* @instanceptr: Pointer to the zynqmp_qspi structure
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* @slavecs: For chip select
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* @slavebus: To check which bus is selected- upper or lower
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* @targetcs: For chip select
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* @targetbus: To check which bus is selected- upper or lower
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*/
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static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr,
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u8 slavecs, u8 slavebus)
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static void zynqmp_gqspi_selecttarget(struct zynqmp_qspi *instanceptr,
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u8 targetcs, u8 targetbus)
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{
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/*
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* Bus and CS lines selected here will be updated in the instance and
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* used for subsequent GENFIFO entries during transfer.
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*/
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/* Choose slave select line */
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switch (slavecs) {
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/* Choose target select line */
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switch (targetcs) {
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case GQSPI_SELECT_FLASH_CS_BOTH:
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instanceptr->genfifocs = GQSPI_GENFIFO_CS_LOWER |
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GQSPI_GENFIFO_CS_UPPER;
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@ -261,11 +261,11 @@ static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr,
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instanceptr->genfifocs = GQSPI_GENFIFO_CS_LOWER;
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break;
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default:
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dev_warn(instanceptr->dev, "Invalid slave select\n");
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dev_warn(instanceptr->dev, "Invalid target select\n");
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}
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/* Choose the bus */
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switch (slavebus) {
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switch (targetbus) {
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case GQSPI_SELECT_FLASH_BUS_BOTH:
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instanceptr->genfifobus = GQSPI_GENFIFO_BUS_LOWER |
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GQSPI_GENFIFO_BUS_UPPER;
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@ -277,7 +277,7 @@ static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr,
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instanceptr->genfifobus = GQSPI_GENFIFO_BUS_LOWER;
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break;
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default:
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dev_warn(instanceptr->dev, "Invalid slave bus\n");
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dev_warn(instanceptr->dev, "Invalid target bus\n");
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}
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}
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@ -337,13 +337,13 @@ static void zynqmp_qspi_set_tapdelay(struct zynqmp_qspi *xqspi, u32 baudrateval)
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*
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* The default settings of the QSPI controller's configurable parameters on
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* reset are
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* - Master mode
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* - Host mode
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* - TX threshold set to 1
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* - RX threshold set to 1
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* - Flash memory interface mode enabled
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* This function performs the following actions
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* - Disable and clear all the interrupts
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* - Enable manual slave select
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* - Enable manual target select
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* - Enable manual start
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* - Deselect all the chip select lines
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* - Set the little endian mode of TX FIFO
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@ -426,9 +426,9 @@ static void zynqmp_qspi_init_hw(struct zynqmp_qspi *xqspi)
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GQSPI_RX_FIFO_THRESHOLD);
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zynqmp_gqspi_write(xqspi, GQSPI_GF_THRESHOLD_OFST,
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GQSPI_GEN_FIFO_THRESHOLD_RESET_VAL);
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zynqmp_gqspi_selectslave(xqspi,
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GQSPI_SELECT_FLASH_CS_LOWER,
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GQSPI_SELECT_FLASH_BUS_LOWER);
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zynqmp_gqspi_selecttarget(xqspi,
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GQSPI_SELECT_FLASH_CS_LOWER,
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GQSPI_SELECT_FLASH_BUS_LOWER);
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/* Initialize DMA */
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zynqmp_gqspi_write(xqspi,
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GQSPI_QSPIDMA_DST_CTRL_OFST,
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@ -459,7 +459,7 @@ static void zynqmp_qspi_copy_read_data(struct zynqmp_qspi *xqspi,
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*/
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static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high)
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{
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struct zynqmp_qspi *xqspi = spi_master_get_devdata(qspi->master);
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struct zynqmp_qspi *xqspi = spi_controller_get_devdata(qspi->controller);
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ulong timeout;
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u32 genfifoentry = 0, statusreg;
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@ -594,7 +594,7 @@ static int zynqmp_qspi_config_op(struct zynqmp_qspi *xqspi,
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*/
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static int zynqmp_qspi_setup_op(struct spi_device *qspi)
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{
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struct spi_controller *ctlr = qspi->master;
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struct spi_controller *ctlr = qspi->controller;
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struct zynqmp_qspi *xqspi = spi_controller_get_devdata(ctlr);
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if (ctlr->busy)
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@ -1048,7 +1048,7 @@ static int zynqmp_qspi_exec_op(struct spi_mem *mem,
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const struct spi_mem_op *op)
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{
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struct zynqmp_qspi *xqspi = spi_controller_get_devdata
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(mem->spi->master);
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(mem->spi->controller);
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int err = 0, i;
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u32 genfifoentry = 0;
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u16 opcode = op->cmd.opcode;
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@ -1224,7 +1224,7 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
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u32 num_cs;
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const struct qspi_platform_data *p_data;
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ctlr = spi_alloc_master(&pdev->dev, sizeof(*xqspi));
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ctlr = spi_alloc_host(&pdev->dev, sizeof(*xqspi));
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if (!ctlr)
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return -ENOMEM;
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@ -1240,27 +1240,27 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
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xqspi->regs = devm_platform_ioremap_resource(pdev, 0);
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if (IS_ERR(xqspi->regs)) {
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ret = PTR_ERR(xqspi->regs);
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goto remove_master;
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goto remove_ctlr;
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}
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xqspi->pclk = devm_clk_get(&pdev->dev, "pclk");
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if (IS_ERR(xqspi->pclk)) {
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dev_err(dev, "pclk clock not found.\n");
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ret = PTR_ERR(xqspi->pclk);
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goto remove_master;
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goto remove_ctlr;
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}
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xqspi->refclk = devm_clk_get(&pdev->dev, "ref_clk");
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if (IS_ERR(xqspi->refclk)) {
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dev_err(dev, "ref_clk clock not found.\n");
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ret = PTR_ERR(xqspi->refclk);
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goto remove_master;
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goto remove_ctlr;
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}
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ret = clk_prepare_enable(xqspi->pclk);
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if (ret) {
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dev_err(dev, "Unable to enable APB clock.\n");
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goto remove_master;
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goto remove_ctlr;
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}
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ret = clk_prepare_enable(xqspi->refclk);
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@ -1346,7 +1346,7 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
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clk_disable_unprepare(xqspi->refclk);
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clk_dis_pclk:
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clk_disable_unprepare(xqspi->pclk);
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remove_master:
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remove_ctlr:
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spi_controller_put(ctlr);
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return ret;
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