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Searched refs:xspi (Results 1 – 10 of 10) sorted by relevance

/linux/drivers/spi/
H A Dspi-xilinx.c116 static void xilinx_spi_tx(struct xilinx_spi *xspi) in xilinx_spi_tx() argument
120 if (!xspi->tx_ptr) { in xilinx_spi_tx()
121 xspi->write_fn(0, xspi->regs + XSPI_TXD_OFFSET); in xilinx_spi_tx()
125 switch (xspi->bytes_per_word) { in xilinx_spi_tx()
127 data = *(u8 *)(xspi->tx_ptr); in xilinx_spi_tx()
130 data = *(u16 *)(xspi->tx_ptr); in xilinx_spi_tx()
133 data = *(u32 *)(xspi->tx_ptr); in xilinx_spi_tx()
137 xspi->write_fn(data, xspi->regs + XSPI_TXD_OFFSET); in xilinx_spi_tx()
138 xspi->tx_ptr += xspi->bytes_per_word; in xilinx_spi_tx()
141 static void xilinx_spi_rx(struct xilinx_spi *xspi) in xilinx_spi_rx() argument
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H A Dspi-cadence.c143 static inline u32 cdns_spi_read(struct cdns_spi *xspi, u32 offset) in cdns_spi_read() argument
145 return readl_relaxed(xspi->regs + offset); in cdns_spi_read()
148 static inline void cdns_spi_write(struct cdns_spi *xspi, u32 offset, u32 val) in cdns_spi_write() argument
150 writel_relaxed(val, xspi->regs + offset); in cdns_spi_write()
165 static void cdns_spi_init_hw(struct cdns_spi *xspi, bool is_target) in cdns_spi_init_hw() argument
172 if (xspi->is_decoded_cs) in cdns_spi_init_hw()
175 cdns_spi_write(xspi, CDNS_SPI_ER, CDNS_SPI_ER_DISABLE); in cdns_spi_init_hw()
176 cdns_spi_write(xspi, CDNS_SPI_IDR, CDNS_SPI_IXR_ALL); in cdns_spi_init_hw()
179 while (cdns_spi_read(xspi, CDNS_SPI_ISR) & CDNS_SPI_IXR_RXNEMTY) in cdns_spi_init_hw()
180 cdns_spi_read(xspi, CDNS_SPI_RXD); in cdns_spi_init_hw()
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H A Dspi-xlp.c125 static void xlp_spi_sysctl_setup(struct xlp_spi_priv *xspi) in xlp_spi_sysctl_setup() argument
130 xlp_spi_sysctl_write(xspi, XLP_SPI_SYSCTRL, in xlp_spi_sysctl_setup()
132 xlp_spi_sysctl_write(xspi, XLP_SPI_SYSCTRL, XLP_SPI_SYS_PMEN); in xlp_spi_sysctl_setup()
137 struct xlp_spi_priv *xspi; in xlp_spi_setup() local
141 xspi = spi_controller_get_devdata(spi->controller); in xlp_spi_setup()
146 fdiv = DIV_ROUND_UP(xspi->spi_clk, spi->max_speed_hz); in xlp_spi_setup()
152 xlp_spi_reg_write(xspi, cs, XLP_SPI_FDIV, fdiv); in xlp_spi_setup()
153 xlp_spi_reg_write(xspi, cs, XLP_SPI_FIFO_THRESH, XLP_SPI_TXRXTH); in xlp_spi_setup()
154 cfg = xlp_spi_reg_read(xspi, cs, XLP_SPI_CONFIG); in xlp_spi_setup()
175 xlp_spi_reg_write(xspi, cs, XLP_SPI_CONFIG, cfg); in xlp_spi_setup()
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/linux/drivers/memory/
H A Drenesas-rpc-if.c182 struct rpcif_priv *xspi = context; in xspi_reg_read() local
184 *val = readl(xspi->base + reg); in xspi_reg_read()
190 struct rpcif_priv *xspi = context; in xspi_reg_write() local
192 writel(val, xspi->base + reg); in xspi_reg_write()
214 rpcif->xspi = rpc->info->type == XSPI_RZ_G3E; in rpcif_sw_init()
290 static int xspi_hw_init_impl(struct rpcif_priv *xspi, bool hyperflash) in xspi_hw_init_impl() argument
294 ret = reset_control_reset(xspi->rstc); in xspi_hw_init_impl()
298 regmap_write(xspi->regmap, XSPI_WRAPCFG, 0x0); in xspi_hw_init_impl()
300 regmap_update_bits(xspi->regmap, XSPI_LIOCFGCS0, in xspi_hw_init_impl()
306 regmap_update_bits(xspi->regmap, XSPI_CCCTL0CS0, XSPI_CCCTL0_CAEN, 0); in xspi_hw_init_impl()
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/linux/include/memory/
H A Drenesas-rpc-if.h71 bool xspi; member
/linux/arch/arm64/boot/dts/renesas/
H A Dr9a09g056.dtsi214 xspi: spi@11030000 { label
215 compatible = "renesas,r9a09g056-xspi", "renesas,r9a09g047-xspi";
H A Drzg3e-smarc-som.dtsi369 &xspi {
H A Dr9a09g057h44-rzv2h-evk.dts457 &xspi {
H A Dr9a09g057.dtsi318 xspi: spi@11030000 { label
319 compatible = "renesas,r9a09g057-xspi", "renesas,r9a09g047-xspi";
H A Dr9a09g047.dtsi287 xspi: spi@11030000 { label
288 compatible = "renesas,r9a09g047-xspi";