[01/15] dt-bindings: spi: allow expressing DTR capability
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Message ID 20200226125606.22684-2-p.yadav@ti.com
State Superseded
Delegated to: Jagannadha Sutradharudu Teki
Headers show
Series
  • mtd: spi-nor-core: add xSPI Octal DTR support
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Commit Message

Pratyush Yadav Feb. 26, 2020, 12:55 p.m. UTC
Allow spi devices to express DTR receive and transmit capabilities via
the properties "spi-rx-dtr" and "spi-tx-dtr".

Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
---
Corresponding Kernel DT patch at
https://lore.kernel.org/linux-mtd/20200226093703.19765-2-p.yadav@ti.com/

 doc/device-tree-bindings/spi/spi-bus.txt | 4 ++++
 1 file changed, 4 insertions(+)

--
2.25.0

Patch
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diff --git a/doc/device-tree-bindings/spi/spi-bus.txt b/doc/device-tree-bindings/spi/spi-bus.txt
index 420ec9529f..0d55303a0e 100644
--- a/doc/device-tree-bindings/spi/spi-bus.txt
+++ b/doc/device-tree-bindings/spi/spi-bus.txt
@@ -59,6 +59,10 @@  contain the following properties.
                       used for MOSI. Defaults to 1 if not present.
 - spi-rx-bus-width - (optional) The bus width(number of data wires) that
                       used for MISO. Defaults to 1 if not present.
+- spi-tx-dtr       - (optional) Its presence indicates bus can transmit in DTR
+		     protocol.
+- spi-rx-dtr       - (optional) Its presence indicates bus can receive in DTR
+		     protocol.
 - spi-half-duplex  - (optional) Indicates that the SPI bus should wait for
 		      a header byte before reading data from the slave.