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[v2,2/8] dt-bindings: i2c: exynos5: Add exynosautov9-hsi2c compatible

Message ID 20211204215033.5134-3-semen.protsenko@linaro.org
State Superseded
Headers show
Series [v2,1/8] dt-bindings: i2c: exynos5: Convert to dtschema | expand

Commit Message

Sam Protsenko Dec. 4, 2021, 9:50 p.m. UTC 
From: Jaewon Kim <jaewon02.kim@samsung.com>

This patch adds new "samsung,exynosautov9-hsi2c" compatible.
It is for i2c compatible with HSI2C available on Exynos SoC with USI.

Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
Changes in v2:
  - Added R-b tag by Krzysztof Kozlowski
  - Removed quotes around compatible strings
  - Added Exynos850 to comment

 Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml b/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml
index 16853f6edc53..bb6c22fbc442 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml
@@ -13,6 +13,11 @@  description: |
   The Samsung's High Speed I2C controller is used to interface with I2C devices
   at various speeds ranging from 100kHz to 3.4MHz.
 
+  In case the HSI2C controller is encapsulated within USI block (it's the case
+  e.g. for Exynos850 and Exynos Auto V9 SoCs), it might be also necessary to
+  define USI node in device tree file, choosing "i2c" configuration. Please see
+  Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml for details.
+
 allOf:
   - $ref: /schemas/i2c/i2c-controller.yaml#
 
@@ -23,6 +28,7 @@  properties:
           - samsung,exynos5250-hsi2c    # Exynos5250 and Exynos5420
           - samsung,exynos5260-hsi2c    # Exynos5260
           - samsung,exynos7-hsi2c       # Exynos7
+          - samsung,exynosautov9-hsi2c  # ExynosAutoV9 and Exynos850
       - const: samsung,exynos5-hsi2c    # Exynos5250 and Exynos5420
         deprecated: true