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ARM: dts: DRA7: add entry for qspi mmap region

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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>
This commit is contained in:
Vignesh R 2015-12-11 09:39:59 +05:30 committed by Tony Lindgren
parent d01d879930
commit 1929d0b5a8
2 changed files with 21 additions and 2 deletions
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17
Documentation/devicetree/bindings/spi/ti_qspi.txt
View File

@ -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";
};

6
arch/arm/boot/dts/dra7.dtsi
View File

@ -1154,8 +1154,10 @@ mcspi4: spi@480ba000 {
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";