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| author | Vignesh R <vigneshr@ti.com> | 2015-12-11 09:39:59 +0530 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-12-18 08:40:47 -0800 |
| commit | 1929d0b5a821ed5bec3d1e683e63851fc51d05ee (patch) | |
| tree | d4063616c64d3807b0cd79de754dbd8b3102478b | |
| parent | d01d8799308f53f2a350ec48ae3a98f4b803dac1 (diff) | |
| download | lwn-1929d0b5a821ed5bec3d1e683e63851fc51d05ee.tar.gz lwn-1929d0b5a821ed5bec3d1e683e63851fc51d05ee.zip | |
ARM: dts: DRA7: add entry for qspi mmap region
Add qspi memory mapped region entries for DRA7xx based SoCs. Also,
update the binding documents for the controller to document this change.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | Documentation/devicetree/bindings/spi/ti_qspi.txt | 17 | ||||
| -rw-r--r-- | arch/arm/boot/dts/dra7.dtsi | 6 |
2 files changed, 21 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt b/Documentation/devicetree/bindings/spi/ti_qspi.txt index 601a360531a5..809c3f334316 100644 --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt @@ -15,6 +15,10 @@ 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: qspi: qspi@4b300000 { @@ -26,3 +30,16 @@ qspi: qspi@4b300000 { 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"; +}; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index b2badf9110f7..bf5dd1e9508a 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -1154,8 +1154,10 @@ qspi: qspi@4b300000 { compatible = "ti,dra7xxx-qspi"; - reg = <0x4b300000 0x100>; - reg-names = "qspi_base"; + reg = <0x4b300000 0x100>, + <0x5c000000 0x4000000>; + reg-names = "qspi_base", "qspi_mmap"; + syscon-chipselects = <&scm_conf 0x558>; #address-cells = <1>; #size-cells = <0>; ti,hwmods = "qspi"; |