diff mbox

tty: serial: msm_serial: Use DT aliases

Message ID 545C4E1F.4060401@gmail.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Frank Rowand Nov. 7, 2014, 4:44 a.m. UTC 
From: Frank Rowand <frank.rowand@sonymobile.com>

Update devicetree binding for msm_serial to reflect msm_serial_probe()
getting line id from the serial alias.

Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com>
---
 Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt |   15 +++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Comments

Stephen Boyd Nov. 10, 2014, 11:53 p.m. UTC | #1 
On 11/06/2014 08:44 PM, Frank Rowand wrote:
> From: Frank Rowand <frank.rowand@sonymobile.com>
>
> Update devicetree binding for msm_serial to reflect msm_serial_probe()
> getting line id from the serial alias.
>
> Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com>
> ---
>  Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt |   15 +++++++++--
>  1 file changed, 13 insertions(+), 2 deletions(-)
>
> Index: b/Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt
> ===================================================================
> --- a/Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt
> +++ b/Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt
> @@ -27,11 +27,18 @@ Optional properties:
>  - dmas: Should contain dma specifiers for transmit and receive channels
>  - dma-names: Should contain "tx" for transmit and "rx" for receive channels
>  
> +Additional requirements:
> +- Each UART port must have an alias correctly numbered in "aliases" node.

s/requirements/notes/
s/must/can/

It wasn't the intention to make it a requirement.
diff mbox

Patch

Index: b/Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt
===================================================================
--- a/Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt
+++ b/Documentation/devicetree/bindings/serial/qcom,msm-uartdm.txt
@@ -27,11 +27,18 @@  Optional properties:
 - dmas: Should contain dma specifiers for transmit and receive channels
 - dma-names: Should contain "tx" for transmit and "rx" for receive channels
 
+Additional requirements:
+- Each UART port must have an alias correctly numbered in "aliases" node.
+
 Examples:
 
 A uartdm v1.4 device with dma capabilities.
 
-serial@f991e000 {
+aliases {
+	serial0 = &serial0;
+};
+
+serial0: serial@f991e000 {
 	compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
 	reg = <0xf991e000 0x1000>;
 	interrupts = <0 108 0x0>;
@@ -43,7 +50,11 @@  serial@f991e000 {
 
 A uartdm v1.3 device without dma capabilities and part of a GSBI complex.
 
-serial@19c40000 {
+aliases {
+	serial0 = &serial0;
+};
+
+serial0: serial@19c40000 {
 	compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm";
 	reg = <0x19c40000 0x1000>,
 	      <0x19c00000 0x1000>;