Signed-off-by: Girish Mahadevan <girishm@xxxxxxxxxxxxxx> --- .../devicetree/bindings/spi/qcom,spi-qcom-qspi.txt | 36 ++++++++++++++++++++++ err.txt | 27 ---------------- 2 files changed, 36 insertions(+), 27 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.txt delete mode 100644 err.txt diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.txt b/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.txt new file mode 100644 index 0000000..3baa893 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.txt @@ -0,0 +1,36 @@ +QTI [Qualcomm Technologies Inc] Quad Serial Peripheral Interface (QSPI) + +QSPI [Quad Serial Peripheral Interface] allows single dual and quad read/write +access to slaves. QTI's QSPI controller implements the QSPI protocol to interface +with slaves like NOR Flash devices. + +Required properties: +- compatible: Should contain: + "qcom,qspi-v1" +- reg: Contains the base register location and length +- interrupts: Interrupt number used by the controller. +- clocks: Contains the core and AHB clock names. +- clock-names: "core" for core clock and "iface" for AHB clock. +- spi-max-frequency: Maximum SPI core clock frequency in Hz. + +SPI slave nodes must be children of the SPI master node and can contain +properties described in Documentation/devicetree/bindings/spi/spi-bus.txt + +Example: + + qspi: qspi@7418000 { + compatible = "qcom,qspi-v1"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x7418000 0x600>; + interrupts = <0 459 0>; + clock-names = "iface", "core"; + clocks = <&clock_gcc clk_gcc_qspi_ahb_clk>, + <&clock_gcc clk_gcc_qspi_ser_clk>; + + device@0 { + compatible = "dummy_device"; + reg = <x>; /* CS for the device */ + spi-max-frequency = <f>; /* Max supported frequency of the slave (Hz) */ + }; + }; diff --git a/err.txt b/err.txt deleted file mode 100644 index 09000e4..0000000 --- a/err.txt +++ /dev/null @@ -1,27 +0,0 @@ -Skipping hidl generation -arch/arm64/Makefile:23: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum -arch/arm64/Makefile:44: Detected assembler with broken .inst; disassembly will be unreliable - CHK include/config/kernel.release - CHK include/generated/uapi/linux/version.h - CHK include/generated/utsrelease.h - CHK include/generated/bounds.h - CHK include/generated/timeconst.h - CHK include/generated/asm-offsets.h - CALL scripts/checksyscalls.sh - CHK scripts/mod/devicetable-offsets.h - CHK include/generated/compile.h - CHK kernel/config_data.h - CC drivers/mtd/devices/m25p80.o - AR drivers/mtd/devices/built-in.o - AR drivers/mtd/built-in.o - CC drivers/spi/spi-mem.o -drivers/spi/spi-mem.c:12:23: fatal error: internals.h: No such file or directory - #include "internals.h" - ^ -compilation terminated. -make[2]: *** [drivers/spi/spi-mem.o] Error 1 -make[1]: *** [drivers/spi] Error 2 -make: *** [drivers] Error 2 - -[0;31m#### failed to build some targets (12 seconds) ####[00m - -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html