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-rw-r--r--dts/Bindings/serial/samsung_uart.yaml73
1 files changed, 59 insertions, 14 deletions
diff --git a/dts/Bindings/serial/samsung_uart.yaml b/dts/Bindings/serial/samsung_uart.yaml
index 9d2ce34787..133259ed3a 100644
--- a/dts/Bindings/serial/samsung_uart.yaml
+++ b/dts/Bindings/serial/samsung_uart.yaml
@@ -4,7 +4,7 @@
$id: http://devicetree.org/schemas/serial/samsung_uart.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: Samsung S3C, S5P and Exynos SoC UART Controller
+title: Samsung S3C, S5P, Exynos, and S5L (Apple SoC) SoC UART Controller
maintainers:
- Krzysztof Kozlowski <krzk@kernel.org>
@@ -17,18 +17,40 @@ description: |+
properties:
compatible:
- items:
+ oneOf:
- enum:
- - samsung,s3c2410-uart
- - samsung,s3c2412-uart
- - samsung,s3c2440-uart
+ - apple,s5l-uart
+ - axis,artpec8-uart
+ - google,gs101-uart
- samsung,s3c6400-uart
- samsung,s5pv210-uart
- samsung,exynos4210-uart
+ - samsung,exynos5433-uart
+ - samsung,exynos850-uart
+ - items:
+ - enum:
+ - samsung,exynos7-uart
+ - tesla,fsd-uart
+ - const: samsung,exynos4210-uart
+ - items:
+ - enum:
+ - samsung,exynos7885-uart
+ - const: samsung,exynos5433-uart
+ - items:
+ - enum:
+ - samsung,exynosautov9-uart
+ - samsung,exynosautov920-uart
+ - const: samsung,exynos850-uart
reg:
maxItems: 1
+ reg-io-width:
+ description: |
+ The size (in bytes) of the IO accesses that should be performed
+ on the device.
+ enum: [ 1, 4 ]
+
clocks:
minItems: 2
maxItems: 5
@@ -36,7 +58,6 @@ properties:
clock-names:
description: N = 0 is allowed for SoCs without internal baud clock mux.
minItems: 2
- maxItems: 5
items:
- const: uart
- pattern: '^clk_uart_baud[0-3]$'
@@ -44,16 +65,28 @@ properties:
- pattern: '^clk_uart_baud[0-3]$'
- pattern: '^clk_uart_baud[0-3]$'
+ dmas:
+ items:
+ - description: DMA controller phandle and request line for RX
+ - description: DMA controller phandle and request line for TX
+
+ dma-names:
+ items:
+ - const: rx
+ - const: tx
+
interrupts:
description: RX interrupt and optionally TX interrupt.
minItems: 1
maxItems: 2
+ power-domains:
+ maxItems: 1
+
samsung,uart-fifosize:
description: The fifo size supported by the UART channel.
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- - enum: [16, 64, 256]
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [16, 64, 256]
required:
- compatible
@@ -63,12 +96,13 @@ required:
- reg
allOf:
+ - $ref: serial.yaml#
+
- if:
properties:
compatible:
contains:
enum:
- - samsung,s3c2410-uart
- samsung,s5pv210-uart
then:
properties:
@@ -77,7 +111,6 @@ allOf:
maxItems: 3
clock-names:
minItems: 2
- maxItems: 3
items:
- const: uart
- pattern: '^clk_uart_baud[0-1]$'
@@ -88,19 +121,31 @@ allOf:
compatible:
contains:
enum:
+ - apple,s5l-uart
+ - axis,artpec8-uart
- samsung,exynos4210-uart
+ - samsung,exynos5433-uart
then:
properties:
clocks:
- minItems: 2
maxItems: 2
clock-names:
- minItems: 2
- maxItems: 2
items:
- const: uart
- const: clk_uart_baud0
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - google,gs101-uart
+ then:
+ required:
+ - samsung,uart-fifosize
+
+unevaluatedProperties: false
+
examples:
- |
#include <dt-bindings/clock/samsung,s3c64xx-clock.h>