[PATCH linux v2 1/3] spi: dt-bindings: aspeed: Add a ranges property
Cédric Le Goater
clg at kaod.org
Mon Oct 17 20:16:22 AEDT 2022
"ranges" predefines settings for the decoding ranges of each CS.
Cc: Naresh Solanki <naresh.solanki at 9elements.com>
Cc: Chin-Ting Kuo <chin-ting_kuo at aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg at kaod.org>
---
.../devicetree/bindings/spi/aspeed,ast2600-fmc.yaml | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
index fa8f4ac20985..a11cbc4c4c5c 100644
--- a/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
+++ b/Documentation/devicetree/bindings/spi/aspeed,ast2600-fmc.yaml
@@ -38,6 +38,14 @@ properties:
interrupts:
maxItems: 1
+ ranges:
+ minItems: 1
+ maxItems: 5
+ description: |
+ Defines the address mapping for child devices with four integer
+ values for each chip-select line in use:
+ <cs-number> 0 <physical address of mapping> <size>
+
required:
- compatible
- reg
@@ -58,6 +66,7 @@ examples:
compatible = "aspeed,ast2600-fmc";
clocks = <&syscon ASPEED_CLK_AHB>;
interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+ ranges = <0 0 0x20000000 0x2000000>, <1 0 0x22000000 0x2000000>;
flash at 0 {
reg = < 0 >;
--
2.37.3
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