[PATCH v2 2/2] dt-bindings: mfd: Add DT compatible string "google, cros_ec_uart"

[Bhanu Prakash Maiya]

From: Bhanu Prakash Maiya <bhanumaiya at chromium.org>

Add DT compatible string in
Documentation/devicetree/bindings/mfd/cros_ec.txt

Series-to: LKML <linux-kernel at vger.kernel.org>
Series-cc: Raul E Rangel <rrangel at chromium.org>, Furquan Shaikh <furquan at chromium.org>, Duncan Laurie <dlaurie at google.com>, Eric Peers <epeers at google.com>, Benson Leung <bleung at chromium.org>, Enric Balletbo i Serra <enric.balletbo at collabora.com>, Guenter Roeck <groeck at chromium.org>, linux-kernel at vger.kernel.org, Lee Jones <lee.jones at linaro.org>, Rob Herring <robh+dt at kernel.org>, devicetree at vger.kernel.org

Signed-off-by: Bhanu Prakash Maiya <bhanumaiya at chromium.org>
Change-Id: Icfeab15fa04daaffc61280faf5a75cd9b23ee822
Signed-off-by: Bhanu Prakash Maiya <bhanumaiya at google.com>
---
 Documentation/devicetree/bindings/mfd/cros-ec.txt | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/cros-ec.txt b/Documentation/devicetree/bindings/mfd/cros-ec.txt
index 4860eabd0f729..ec8c5d7ecc266 100644
--- a/Documentation/devicetree/bindings/mfd/cros-ec.txt
+++ b/Documentation/devicetree/bindings/mfd/cros-ec.txt
@@ -3,7 +3,7 @@ ChromeOS Embedded Controller
 Google's ChromeOS EC is a Cortex-M device which talks to the AP and
 implements various function such as keyboard and battery charging.
 
-The EC can be connect through various means (I2C, SPI, LPC, RPMSG) and the
+The EC can be connect through various means (I2C, SPI, UART, LPC, RPMSG) and the
 compatible string used depends on the interface. Each connection method has
 its own driver which connects to the top level interface-agnostic EC driver.
 Other Linux driver (such as cros-ec-keyb for the matrix keyboard) connect to
@@ -17,6 +17,10 @@ Required properties (SPI):
 - compatible: "google,cros-ec-spi"
 - reg: SPI chip select
 
+Required properties (UART):
+- compatible: "google,cros-ec-uart"
+- reg: UART baudrate, flowcontrol
+
 Required properties (RPMSG):
 - compatible: "google,cros-ec-rpmsg"
 
@@ -72,5 +76,6 @@ spi at 131b0000 {
 	};
 };
 
-
 Example for LPC is not supplied as it is not yet implemented.
+
+Example for UART is not supplied as it is not yet implemented.
-- 
2.27.0.389.gc38d7665816-goog