Adopt the Linux DT bindings. This also fixes an issue with the indaddrtrig register on the Cadence QSPI device being programmed with the wrong value for the socfpga arch.

Tested on TI K2G platform: Tested-by: Vignesh R vigneshr@ti.com

Tested on a socfpga-cyclonev board: Tested-by: Simon Goldschmidt sgoldschmidt@de.pepperl-fuchs.com

Signed-off-by: Jason Rush jarush@gmail.com Cc: Marek Vasut marex@denx.de --- Changes for v5: - Rebased Changes for v4: - Rebased Changes for v3: - None

drivers/spi/cadence_qspi.c | 20 ++++++++++++-------- drivers/spi/cadence_qspi.h | 6 +++++- drivers/spi/cadence_qspi_apb.c | 15 ++++----------- 3 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c index 9a6e41f330..991a7160bd 100644 --- a/drivers/spi/cadence_qspi.c +++ b/drivers/spi/cadence_qspi.c @@ -212,7 +212,7 @@ static int cadence_spi_xfer(struct udevice *dev, unsigned int bitlen,

/* Set Chip select */ cadence_qspi_apb_chipselect(base, spi_chip_select(dev), - CONFIG_CQSPI_DECODER); + plat->is_decoded_cs);

if ((flags & SPI_XFER_END) || (flags == 0)) { if (priv->cmd_len == 0) { @@ -296,7 +296,11 @@ static int cadence_spi_ofdata_to_platdata(struct udevice *bus)

plat->regbase = (void *)data[0]; plat->ahbbase = (void *)data[2]; - plat->sram_size = fdtdec_get_int(blob, node, "sram-size", 128); + plat->is_decoded_cs = fdtdec_get_bool(blob, node, "cdns,is-decoded-cs"); + plat->fifo_depth = fdtdec_get_uint(blob, node, "cdns,fifo-depth", 128); + plat->fifo_width = fdtdec_get_uint(blob, node, "cdns,fifo-width", 4); + plat->trigger_address = fdtdec_get_uint(blob, node, + "cdns,trigger-address", 0);

/* All other paramters are embedded in the child node */ subnode = fdt_first_subnode(blob, node); @@ -310,12 +314,12 @@ static int cadence_spi_ofdata_to_platdata(struct udevice *bus) 500000);

/* Read other parameters from DT */ - plat->page_size = fdtdec_get_int(blob, subnode, "page-size", 256); - plat->block_size = fdtdec_get_int(blob, subnode, "block-size", 16); - plat->tshsl_ns = fdtdec_get_int(blob, subnode, "tshsl-ns", 200); - plat->tsd2d_ns = fdtdec_get_int(blob, subnode, "tsd2d-ns", 255); - plat->tchsh_ns = fdtdec_get_int(blob, subnode, "tchsh-ns", 20); - plat->tslch_ns = fdtdec_get_int(blob, subnode, "tslch-ns", 20); + plat->page_size = fdtdec_get_uint(blob, subnode, "page-size", 256); + plat->block_size = fdtdec_get_uint(blob, subnode, "block-size", 16); + plat->tshsl_ns = fdtdec_get_uint(blob, subnode, "cdns,tshsl-ns", 200); + plat->tsd2d_ns = fdtdec_get_uint(blob, subnode, "cdns,tsd2d-ns", 255); + plat->tchsh_ns = fdtdec_get_uint(blob, subnode, "cdns,tchsh-ns", 20); + plat->tslch_ns = fdtdec_get_uint(blob, subnode, "cdns,tslch-ns", 20);

debug("%s: regbase=%p ahbbase=%p max-frequency=%d page-size=%d\n", __func__, plat->regbase, plat->ahbbase, plat->max_hz, diff --git a/drivers/spi/cadence_qspi.h b/drivers/spi/cadence_qspi.h index d1927a4003..83154210bd 100644 --- a/drivers/spi/cadence_qspi.h +++ b/drivers/spi/cadence_qspi.h @@ -18,14 +18,18 @@ struct cadence_spi_platdata { unsigned int max_hz; void *regbase; void *ahbbase; + bool is_decoded_cs; + u32 fifo_depth; + u32 fifo_width; + u32 trigger_address;

+ // Flash parameters u32 page_size; u32 block_size; u32 tshsl_ns; u32 tsd2d_ns; u32 tchsh_ns; u32 tslch_ns; - u32 sram_size; };

struct cadence_spi_priv { diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c index e02f2217f4..8309ab8794 100644 --- a/drivers/spi/cadence_qspi_apb.c +++ b/drivers/spi/cadence_qspi_apb.c @@ -37,10 +37,6 @@ #define CQSPI_REG_RETRY 10000 #define CQSPI_POLL_IDLE_RETRY 3

-#define CQSPI_FIFO_WIDTH 4 - -#define CQSPI_REG_SRAM_THRESHOLD_WORDS 50 - /* Transfer mode */ #define CQSPI_INST_TYPE_SINGLE 0 #define CQSPI_INST_TYPE_DUAL 1 @@ -51,9 +47,6 @@ #define CQSPI_DUMMY_CLKS_PER_BYTE 8 #define CQSPI_DUMMY_BYTES_MAX 4

-#define CQSPI_REG_SRAM_FILL_THRESHOLD \ - ((CQSPI_REG_SRAM_SIZE_WORD / 2) * CQSPI_FIFO_WIDTH) - /**************************************************************************** * Controller's configuration and status register (offset from QSPI_BASE) ****************************************************************************/ @@ -400,7 +393,7 @@ void cadence_qspi_apb_controller_init(struct cadence_spi_platdata *plat) writel(0, plat->regbase + CQSPI_REG_REMAP);

/* Indirect mode configurations */ - writel((plat->sram_size/2), plat->regbase + CQSPI_REG_SRAMPARTITION); + writel((plat->fifo_depth/2), plat->regbase + CQSPI_REG_SRAMPARTITION);

/* Disable all interrupts */ writel(0, plat->regbase + CQSPI_REG_IRQMASK); @@ -560,7 +553,7 @@ int cadence_qspi_apb_indirect_read_setup(struct cadence_spi_platdata *plat, addr_bytes = cmdlen - 1;

/* Setup the indirect trigger address */ - writel((u32)plat->ahbbase, + writel(plat->trigger_address, plat->regbase + CQSPI_REG_INDIRECTTRIGGER);

/* Configure the opcode */ @@ -659,7 +652,7 @@ int cadence_qspi_apb_indirect_read_execute(struct cadence_spi_platdata *plat, bytes_to_read = ret;

while (bytes_to_read != 0) { - bytes_to_read *= CQSPI_FIFO_WIDTH; + bytes_to_read *= plat->fifo_width; bytes_to_read = bytes_to_read > remaining ? remaining : bytes_to_read; readsl(plat->ahbbase, bb_rxbuf, bytes_to_read >> 2); @@ -710,7 +703,7 @@ int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata *plat, return -EINVAL; } /* Setup the indirect trigger address */ - writel((u32)plat->ahbbase, + writel(plat->trigger_address, plat->regbase + CQSPI_REG_INDIRECTTRIGGER);

/* Configure the opcode */

Adopt the Linux DT bindings and clean-up duplicate and unused values.

Tested on TI K2G platform: Tested-by: Vignesh R vigneshr@ti.com

Tested on a socfpga-cyclonev board: Tested-by: Simon Goldschmidt sgoldschmidt@de.pepperl-fuchs.com

Signed-off-by: Jason Rush jarush@gmail.com Cc: Marek Vasut marex@denx.de --- Changes for v5: - Rebased Changes for v4: - Rebased Changes for v3: - Update the DT bindings in keystone-k2g-evm.dts

arch/arm/dts/keystone-k2g-evm.dts | 8 ++++---- arch/arm/dts/keystone-k2g.dtsi | 5 +++-- arch/arm/dts/socfpga.dtsi | 5 +++-- arch/arm/dts/socfpga_arria10.dtsi | 4 ++-- arch/arm/dts/socfpga_arria5_socdk.dts | 9 ++++----- arch/arm/dts/socfpga_cyclone5_is1.dts | 9 ++++----- arch/arm/dts/socfpga_cyclone5_socdk.dts | 9 ++++----- arch/arm/dts/socfpga_cyclone5_sockit.dts | 9 ++++----- arch/arm/dts/socfpga_cyclone5_socrates.dts | 9 ++++----- arch/arm/dts/socfpga_cyclone5_sr1500.dts | 9 ++++----- arch/arm/dts/socfpga_cyclone5_vining_fpga.dts | 18 ++++++++---------- arch/arm/dts/stv0991.dts | 12 +++++++----- 12 files changed, 51 insertions(+), 55 deletions(-)

diff --git a/arch/arm/dts/keystone-k2g-evm.dts b/arch/arm/dts/keystone-k2g-evm.dts index de208b3613..ba566a4328 100644 --- a/arch/arm/dts/keystone-k2g-evm.dts +++ b/arch/arm/dts/keystone-k2g-evm.dts @@ -76,10 +76,10 @@ spi-max-frequency = <96000000>; #address-cells = <1>; #size-cells = <1>; - tshsl-ns = <392>; - tsd2d-ns = <392>; - tchsh-ns = <100>; - tslch-ns = <100>; + cdns,tshsl-ns = <392>; + cdns,tsd2d-ns = <392>; + cdns,tchsh-ns = <100>; + cdns,tslch-ns = <100>; block-size = <18>;

diff --git a/arch/arm/dts/keystone-k2g.dtsi b/arch/arm/dts/keystone-k2g.dtsi index 7b2fae6860..9bcfea6d86 100644 --- a/arch/arm/dts/keystone-k2g.dtsi +++ b/arch/arm/dts/keystone-k2g.dtsi @@ -92,8 +92,9 @@ <0x24000000 0x4000000>; interrupts = <GIC_SPI 198 IRQ_TYPE_EDGE_RISING>; num-cs = <4>; - fifo-depth = <256>; - sram-size = <256>; + cdns,fifo-depth = <256>; + cdns,fifo-width = <4>; + cdns,trigger-address = <0x24000000>; status = "disabled"; };

diff --git a/arch/arm/dts/socfpga.dtsi b/arch/arm/dts/socfpga.dtsi index 8588221e57..7557aa01e5 100644 --- a/arch/arm/dts/socfpga.dtsi +++ b/arch/arm/dts/socfpga.dtsi @@ -644,8 +644,9 @@ clocks = <&qspi_clk>; ext-decoder = <0>; /* external decoder */ num-cs = <4>; - fifo-depth = <128>; - sram-size = <128>; + cdns,fifo-depth = <128>; + cdns,fifo-width = <4>; + cdns,trigger-address = <0x00000000>; bus-num = <2>; status = "disabled"; }; diff --git a/arch/arm/dts/socfpga_arria10.dtsi b/arch/arm/dts/socfpga_arria10.dtsi index 377700df11..abfd0bc4f8 100644 --- a/arch/arm/dts/socfpga_arria10.dtsi +++ b/arch/arm/dts/socfpga_arria10.dtsi @@ -734,8 +734,8 @@ clocks = <&l4_main_clk>; ext-decoder = <0>; /* external decoder */ num-chipselect = <4>; - fifo-depth = <128>; - sram-size = <512>; + cdns,fifo-depth = <128>; + cdns,fifo-width = <4>; bus-num = <2>; status = "disabled"; }; diff --git a/arch/arm/dts/socfpga_arria5_socdk.dts b/arch/arm/dts/socfpga_arria5_socdk.dts index 726505821f..1e91a65af6 100644 --- a/arch/arm/dts/socfpga_arria5_socdk.dts +++ b/arch/arm/dts/socfpga_arria5_socdk.dts @@ -94,10 +94,9 @@ m25p,fast-read; page-size = <256>; block-size = <16>; /* 2^16, 64KB */ - read-delay = <4>; /* delay value in read data capture register */ - tshsl-ns = <50>; - tsd2d-ns = <50>; - tchsh-ns = <4>; - tslch-ns = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; }; }; diff --git a/arch/arm/dts/socfpga_cyclone5_is1.dts b/arch/arm/dts/socfpga_cyclone5_is1.dts index 16a3283710..2e2b71fefb 100644 --- a/arch/arm/dts/socfpga_cyclone5_is1.dts +++ b/arch/arm/dts/socfpga_cyclone5_is1.dts @@ -93,11 +93,10 @@ m25p,fast-read; page-size = <256>; block-size = <16>; /* 2^16, 64KB */ - read-delay = <4>; /* delay value in read data capture register */ - tshsl-ns = <50>; - tsd2d-ns = <50>; - tchsh-ns = <4>; - tslch-ns = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; }; };

diff --git a/arch/arm/dts/socfpga_cyclone5_socdk.dts b/arch/arm/dts/socfpga_cyclone5_socdk.dts index f175ef2ead..95a8e653d7 100644 --- a/arch/arm/dts/socfpga_cyclone5_socdk.dts +++ b/arch/arm/dts/socfpga_cyclone5_socdk.dts @@ -104,11 +104,10 @@ m25p,fast-read; page-size = <256>; block-size = <16>; /* 2^16, 64KB */ - read-delay = <4>; /* delay value in read data capture register */ - tshsl-ns = <50>; - tsd2d-ns = <50>; - tchsh-ns = <4>; - tslch-ns = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; }; };

diff --git a/arch/arm/dts/socfpga_cyclone5_sockit.dts b/arch/arm/dts/socfpga_cyclone5_sockit.dts index e45c2abbc2..6f42b88130 100644 --- a/arch/arm/dts/socfpga_cyclone5_sockit.dts +++ b/arch/arm/dts/socfpga_cyclone5_sockit.dts @@ -84,11 +84,10 @@ m25p,fast-read; page-size = <256>; block-size = <16>; /* 2^16, 64KB */ - read-delay = <4>; /* delay value in read data capture register */ - tshsl-ns = <50>; - tsd2d-ns = <50>; - tchsh-ns = <4>; - tslch-ns = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; }; };

diff --git a/arch/arm/dts/socfpga_cyclone5_socrates.dts b/arch/arm/dts/socfpga_cyclone5_socrates.dts index bdd93248fb..e3ae8a8207 100644 --- a/arch/arm/dts/socfpga_cyclone5_socrates.dts +++ b/arch/arm/dts/socfpga_cyclone5_socrates.dts @@ -74,11 +74,10 @@ m25p,fast-read; page-size = <256>; block-size = <16>; /* 2^16, 64KB */ - read-delay = <4>; /* delay value in read data capture register */ - tshsl-ns = <50>; - tsd2d-ns = <50>; - tchsh-ns = <4>; - tslch-ns = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; }; };

diff --git a/arch/arm/dts/socfpga_cyclone5_sr1500.dts b/arch/arm/dts/socfpga_cyclone5_sr1500.dts index 739bbb7f3d..e24830af57 100644 --- a/arch/arm/dts/socfpga_cyclone5_sr1500.dts +++ b/arch/arm/dts/socfpga_cyclone5_sr1500.dts @@ -92,10 +92,9 @@ m25p,fast-read; page-size = <256>; block-size = <16>; /* 2^16, 64KB */ - read-delay = <4>; /* delay value in read data capture register */ - tshsl-ns = <50>; - tsd2d-ns = <50>; - tchsh-ns = <4>; - tslch-ns = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; }; }; diff --git a/arch/arm/dts/socfpga_cyclone5_vining_fpga.dts b/arch/arm/dts/socfpga_cyclone5_vining_fpga.dts index f168e4ff99..a0febe91b0 100644 --- a/arch/arm/dts/socfpga_cyclone5_vining_fpga.dts +++ b/arch/arm/dts/socfpga_cyclone5_vining_fpga.dts @@ -79,11 +79,10 @@ m25p,fast-read; page-size = <256>; block-size = <16>; /* 2^16, 64KB */ - read-delay = <4>; /* delay value in read data capture register */ - tshsl-ns = <50>; - tsd2d-ns = <50>; - tchsh-ns = <4>; - tslch-ns = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; };

flash1: n25q00@1 { @@ -96,11 +95,10 @@ m25p,fast-read; page-size = <256>; block-size = <16>; /* 2^16, 64KB */ - read-delay = <4>; /* delay value in read data capture register */ - tshsl-ns = <50>; - tsd2d-ns = <50>; - tchsh-ns = <4>; - tslch-ns = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; }; };

diff --git a/arch/arm/dts/stv0991.dts b/arch/arm/dts/stv0991.dts index fa3fd641b2..bceac09154 100644 --- a/arch/arm/dts/stv0991.dts +++ b/arch/arm/dts/stv0991.dts @@ -32,7 +32,9 @@ reg = <0x80203000 0x100>, <0x40000000 0x1000000>; clocks = <3750000>; - sram-size = <256>; + cdns,fifo-depth = <256>; + cdns,fifo-width = <4>; + cdns,trigger-address = <0x40000000>; status = "okay";

flash0: n25q32@0 { @@ -44,10 +46,10 @@ m25p,fast-read; page-size = <256>; block-size = <16>; /* 2^16, 64KB */ - tshsl-ns = <50>; - tsd2d-ns = <50>; - tchsh-ns = <4>; - tslch-ns = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; }; }; };

Cleanup unused #define values that are read from the DT.

Tested on TI K2G platform: Tested-by: Vignesh R vigneshr@ti.com

Tested on a socfpga-cyclonev board: Tested-by: Simon Goldschmidt sgoldschmidt@de.pepperl-fuchs.com

Signed-off-by: Jason Rush jarush@gmail.com Cc: Marek Vasut marex@denx.de --- Changes for v5: - Rebased Changes for v4: - Rebased Changes for v3: - None

include/configs/k2g_evm.h | 1 - include/configs/socfpga_common.h | 1 - include/configs/stv0991.h | 1 - 3 files changed, 3 deletions(-)

diff --git a/include/configs/k2g_evm.h b/include/configs/k2g_evm.h index df81c09d86..535e7124fc 100644 --- a/include/configs/k2g_evm.h +++ b/include/configs/k2g_evm.h @@ -93,7 +93,6 @@ #ifndef CONFIG_SPL_BUILD #define CONFIG_CADENCE_QSPI #define CONFIG_CQSPI_REF_CLK 384000000 -#define CONFIG_CQSPI_DECODER 0x0 #define CONFIG_BOUNCE_BUFFER #endif

diff --git a/include/configs/socfpga_common.h b/include/configs/socfpga_common.h index 66e7c4fc8b..ec8bb50050 100644 --- a/include/configs/socfpga_common.h +++ b/include/configs/socfpga_common.h @@ -184,7 +184,6 @@ unsigned int cm_get_l4_sp_clk_hz(void); unsigned int cm_get_qspi_controller_clk_hz(void); #define CONFIG_CQSPI_REF_CLK cm_get_qspi_controller_clk_hz() #endif -#define CONFIG_CQSPI_DECODER 0 #define CONFIG_BOUNCE_BUFFER

/* diff --git a/include/configs/stv0991.h b/include/configs/stv0991.h index c99fb676cb..fd96979bf8 100644 --- a/include/configs/stv0991.h +++ b/include/configs/stv0991.h @@ -63,7 +63,6 @@ + * QSPI support + */ #ifdef CONFIG_OF_CONTROL /* QSPI is controlled via DT */ -#define CONFIG_CQSPI_DECODER 0 #define CONFIG_CQSPI_REF_CLK ((30/4)/2)*1000*1000 #define CONFIG_BOUNCE_BUFFER

Fix indentation of the QSPI node.

Tested on TI K2G platform: Tested-by: Vignesh R vigneshr@ti.com

Tested on a socfpga-cyclonev board: Tested-by: Simon Goldschmidt sgoldschmidt@de.pepperl-fuchs.com

Signed-off-by: Jason Rush jarush@gmail.com Cc: Marek Vasut marex@denx.de --- Changes for v5: - Rebased Changes for v4: - Rebased Changes for v3: - Additional patch for clean-up

arch/arm/dts/keystone-k2g-evm.dts | 75 +++++++++++++++++++-------------------- 1 file changed, 37 insertions(+), 38 deletions(-)

diff --git a/arch/arm/dts/keystone-k2g-evm.dts b/arch/arm/dts/keystone-k2g-evm.dts index ba566a4328..ad746c7311 100644 --- a/arch/arm/dts/keystone-k2g-evm.dts +++ b/arch/arm/dts/keystone-k2g-evm.dts @@ -68,46 +68,45 @@ &qspi { status = "okay";

- flash0: m25p80@0 { - compatible = "s25fl512s","spi-flash"; - reg = <0>; - spi-tx-bus-width = <1>; - spi-rx-bus-width = <4>; - spi-max-frequency = <96000000>; - #address-cells = <1>; - #size-cells = <1>; - cdns,tshsl-ns = <392>; - cdns,tsd2d-ns = <392>; - cdns,tchsh-ns = <100>; - cdns,tslch-ns = <100>; + flash0: m25p80@0 { + compatible = "s25fl512s","spi-flash"; + reg = <0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; + spi-max-frequency = <96000000>; + #address-cells = <1>; + #size-cells = <1>; + cdns,tshsl-ns = <392>; + cdns,tsd2d-ns = <392>; + cdns,tchsh-ns = <100>; + cdns,tslch-ns = <100>; block-size = <18>;

- - partition@0 { - label = "QSPI.u-boot-spl-os"; - reg = <0x00000000 0x00100000>; - }; - partition@1 { - label = "QSPI.u-boot-env"; - reg = <0x00100000 0x00040000>; - }; - partition@2 { - label = "QSPI.skern"; - reg = <0x00140000 0x0040000>; - }; - partition@3 { - label = "QSPI.pmmc-firmware"; - reg = <0x00180000 0x0040000>; - }; - partition@4 { - label = "QSPI.kernel"; - reg = <0x001C0000 0x0800000>; - }; - partition@5 { - label = "QSPI.file-system"; - reg = <0x009C0000 0x3640000>; - }; - }; + partition@0 { + label = "QSPI.u-boot-spl-os"; + reg = <0x00000000 0x00100000>; + }; + partition@1 { + label = "QSPI.u-boot-env"; + reg = <0x00100000 0x00040000>; + }; + partition@2 { + label = "QSPI.skern"; + reg = <0x00140000 0x0040000>; + }; + partition@3 { + label = "QSPI.pmmc-firmware"; + reg = <0x00180000 0x0040000>; + }; + partition@4 { + label = "QSPI.kernel"; + reg = <0x001C0000 0x0800000>; + }; + partition@5 { + label = "QSPI.file-system"; + reg = <0x009C0000 0x3640000>; + }; + }; };

&mmc0 {

Update documentation to reflect adopting the Linux DT bindings.

Tested on TI K2G platform: Tested-by: Vignesh R vigneshr@ti.com

Tested on a socfpga-cyclonev board: Tested-by: Simon Goldschmidt sgoldschmidt@de.pepperl-fuchs.com

Signed-off-by: Jason Rush jarush@gmail.com Cc: Marek Vasut marex@denx.de --- Changes for v5: - Rebased Changes for v4: - Updated documentation

doc/device-tree-bindings/spi/spi-cadence.txt | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/doc/device-tree-bindings/spi/spi-cadence.txt b/doc/device-tree-bindings/spi/spi-cadence.txt index c1e2233d7c..74c82080fc 100644 --- a/doc/device-tree-bindings/spi/spi-cadence.txt +++ b/doc/device-tree-bindings/spi/spi-cadence.txt @@ -6,7 +6,10 @@ Required properties: - reg : 1.Physical base address and size of SPI registers map. 2. Physical base address & size of NOR Flash. - clocks : Clock phandles (see clock bindings for details). -- sram-size : spi controller sram size. +- cdns,fifo-depth : Size of the data FIFO in words. +- cdns,fifo-width : Bus width of the data FIFO in bytes. +- cdns,trigger-address : 32-bit indirect AHB trigger address. +- cdns,is-decoded-cs : Flag to indicate whether decoder is used or not. - status : enable in requried dts.

connected flash properties @@ -15,14 +18,14 @@ connected flash properties - spi-max-frequency : Max supported spi frequency. - page-size : Flash page size. - block-size : Flash memory block size. -- tshsl-ns : Added delay in master reference clocks (ref_clk) for +- cdns,tshsl-ns : Added delay in master reference clocks (ref_clk) for the length that the master mode chip select outputs are de-asserted between transactions. -- tsd2d-ns : Delay in master reference clocks (ref_clk) between one +- cdns,tsd2d-ns : Delay in master reference clocks (ref_clk) between one chip select being de-activated and the activation of another. -- tchsh-ns : Delay in master reference clocks between last bit of +- cdns,tchsh-ns : Delay in master reference clocks between last bit of current transaction and de-asserting the device chip select (n_ss_out). -- tslch-ns : Delay in master reference clocks between setting +- cdns,tslch-ns : Delay in master reference clocks between setting n_ss_out low and first bit transfer