diff options
Diffstat (limited to 'Documentation/devicetree/bindings/spi/ti_qspi.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/ti_qspi.txt | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt b/Documentation/devicetree/bindings/spi/ti_qspi.txt index 601a360531a5..cc8304aa64ac 100644 --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt @@ -15,14 +15,32 @@ Recommended properties: - spi-max-frequency: Definition as per Documentation/devicetree/bindings/spi/spi-bus.txt +Optional properties: +- syscon-chipselects: Handle to system control region contains QSPI + chipselect register and offset of that register. + Example: +For am4372: qspi: qspi@4b300000 { - compatible = "ti,dra7xxx-qspi"; - reg = <0x47900000 0x100>, <0x30000000 0x3ffffff>; + compatible = "ti,am4372-qspi"; + reg = <0x47900000 0x100>, <0x30000000 0x4000000>; reg-names = "qspi_base", "qspi_mmap"; #address-cells = <1>; #size-cells = <0>; spi-max-frequency = <25000000>; ti,hwmods = "qspi"; }; + +For dra7xx: +qspi: qspi@4b300000 { + compatible = "ti,dra7xxx-qspi"; + reg = <0x4b300000 0x100>, + <0x5c000000 0x4000000>, + reg-names = "qspi_base", "qspi_mmap"; + syscon-chipselects = <&scm_conf 0x558>; + #address-cells = <1>; + #size-cells = <0>; + spi-max-frequency = <48000000>; + ti,hwmods = "qspi"; +}; |