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From: Pratyush Yadav
To: Jagan Teki , Vignesh Raghavendra
CC: Pratyush Yadav , , Sekhar Nori
Subject: [PATCH 01/15] dt-bindings: spi: allow expressing DTR capability
Date: Wed, 26 Feb 2020 18:25:51 +0530
Message-ID: <20200226125606.22684-2-p.yadav@ti.com>
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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
---
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
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.