spi: sh-msiof: Configure MSIOF sync signal timing in device tree

The MSIOF controller has DTDL and SYNCDL in SITMDR1 register. So,
this patch adds new properties like the following commit:
  d0fb47a5237d8b9576113568bacfd27892308b62
  (spi: fsl-espi: Configure FSL eSPI CSBEF and CSAFT)

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/Documentation/devicetree/bindings/spi/sh-msiof.txt b/Documentation/devicetree/bindings/spi/sh-msiof.txt
index d11c372..4c388bb 100644 (file)
--- a/Documentation/devicetree/bindings/spi/sh-msiof.txt
+++ b/Documentation/devicetree/bindings/spi/sh-msiof.txt
@@ -30,6 +30,22 @@ Optional properties:
                         specifiers, one for transmission, and one for
                         reception.
 - dma-names            : Must contain a list of two DMA names, "tx" and "rx".
+- renesas,dtdl         : delay sync signal (setup) in transmit mode.
+                        Must contain one of the following values:
+                        0   (no bit delay)
+                        50  (0.5-clock-cycle delay)
+                        100 (1-clock-cycle delay)
+                        150 (1.5-clock-cycle delay)
+                        200 (2-clock-cycle delay)
+
+- renesas,syncdl       : delay sync signal (hold) in transmit mode.
+                        Must contain one of the following values:
+                        0   (no bit delay)
+                        50  (0.5-clock-cycle delay)
+                        100 (1-clock-cycle delay)
+                        150 (1.5-clock-cycle delay)
+                        200 (2-clock-cycle delay)
+                        300 (3-clock-cycle delay)
 
 Optional properties, deprecated for soctype-specific bindings:
 - renesas,tx-fifo-size : Overrides the default tx fifo size given in words

diff --cc drivers/spi/spi-sh-msiof.c
Simple merge

diff --cc include/linux/spi/sh_msiof.h
Simple merge