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

Bhanu Prakash Maiya bhanumaiya at chromium.org
Thu Jun 25 17:34:02 EDT 2020

Add DT compatible string in

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.

More information about the linux-arm-kernel mailing list