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Date: Wed, 01 May 2024 10:19:36 +0100
From: André Draszik <andre.draszik@...aro.org>
To: Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Peter Griffin <peter.griffin@...aro.org>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Sylwester Nawrocki <s.nawrocki@...sung.com>,
Alim Akhtar <alim.akhtar@...sung.com>,
Sam Protsenko <semen.protsenko@...aro.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
Tudor Ambarus <tudor.ambarus@...aro.org>,
Will McVicker <willmcvicker@...gle.com>, Roy Luo <royluo@...gle.com>,
kernel-team@...roid.com, linux-phy@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Arnd Bergmann <arnd@...db.de>, lee@...nel.org,
André Draszik <andre.draszik@...aro.org>
Subject: [PATCH v2 1/7] dt-bindings: phy: samsung,usb3-drd-phy: add gs101
compatible
Add a dedicated google,gs101-usb31drd-phy compatible for Google Tensor
gs101 SoC.
It needs additional clocks enabled for register access, and additional
memory regions (PCS & PMA) are required for successful configuration.
Signed-off-by: André Draszik <andre.draszik@...aro.org>
---
v2: avoid having nested else/if, and instead change the existing 'else'
to explicitly state the platforms using 'if'
---
.../bindings/phy/samsung,usb3-drd-phy.yaml | 61 +++++++++++++++++++++-
1 file changed, 59 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml
index 452e584d9812..f99f055ec704 100644
--- a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml
@@ -25,6 +25,7 @@ description: |
properties:
compatible:
enum:
+ - google,gs101-usb31drd-phy
- samsung,exynos5250-usbdrd-phy
- samsung,exynos5420-usbdrd-phy
- samsung,exynos5433-usbdrd-phy
@@ -57,7 +58,18 @@ properties:
the OF graph bindings specified.
reg:
- maxItems: 1
+ minItems: 1
+ items:
+ - description: PHY register base address.
+ - description: PCS register base address.
+ - description: PMA register base address.
+
+ reg-names:
+ minItems: 1
+ items:
+ - const: phy
+ - const: pcs
+ - const: pma
samsung,pmu-syscon:
$ref: /schemas/types.yaml#/definitions/phandle
@@ -81,6 +93,34 @@ required:
- samsung,pmu-syscon
allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: google,gs101-usb31drd-phy
+ then:
+ properties:
+ clocks:
+ items:
+ - description: Gate of main PHY clock
+ - description: Gate of PHY reference clock
+ - description: Gate of control interface AXI clock
+ - description: Gate of control interface APB clock
+ - description: Gate of SCL APB clock
+ clock-names:
+ items:
+ - const: phy
+ - const: ref
+ - const: ctrl_aclk
+ - const: ctrl_pclk
+ - const: scl_pclk
+ reg:
+ minItems: 3
+ reg-names:
+ minItems: 3
+ required:
+ - reg-names
+
- if:
properties:
compatible:
@@ -100,7 +140,20 @@ allOf:
- const: phy_utmi
- const: phy_pipe
- const: itp
- else:
+ reg:
+ maxItems: 1
+ reg-names:
+ maxItems: 1
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - samsung,exynos5250-usbdrd-phy
+ - samsung,exynos5420-usbdrd-phy
+ - samsung,exynos850-usbdrd-phy
+ then:
properties:
clocks:
minItems: 2
@@ -109,6 +162,10 @@ allOf:
items:
- const: phy
- const: ref
+ reg:
+ maxItems: 1
+ reg-names:
+ maxItems: 1
additionalProperties: false
--
2.45.0.rc0.197.gbae5840b3b-goog
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