linux-kernel - [PATCHv1 2/5] dt-bindings: ata: ahci: add RK3588 AHCI controller

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Message-Id: <20230413182345.92557-3-sebastian.reichel@collabora.com>
Date:   Thu, 13 Apr 2023 20:23:42 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        linux-ide@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        kernel@...labora.com
Subject: [PATCHv1 2/5] dt-bindings: ata: ahci: add RK3588 AHCI controller

Just like RK3568, the RK3588 has a DWC based AHCI controller.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
FWIW IDK what exactly the ASIC clock is. The TRM does not provide any
details unfortunately. It is required for functional SATA, though.
---
 .../devicetree/bindings/ata/snps,dwc-ahci-common.yaml       | 6 ++++--
 Documentation/devicetree/bindings/ata/snps,dwc-ahci.yaml    | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/ata/snps,dwc-ahci-common.yaml b/Documentation/devicetree/bindings/ata/snps,dwc-ahci-common.yaml
index c1457910520b..0df8f49431eb 100644
--- a/Documentation/devicetree/bindings/ata/snps,dwc-ahci-common.yaml
+++ b/Documentation/devicetree/bindings/ata/snps,dwc-ahci-common.yaml
@@ -31,11 +31,11 @@ properties:
       PM-alive clock, RxOOB detection clock, embedded PHYs reference (Rx/Tx)
       clock, etc.
     minItems: 1
-    maxItems: 4
+    maxItems: 5
 
   clock-names:
     minItems: 1
-    maxItems: 4
+    maxItems: 5
     items:
       oneOf:
         - description: Application APB/AHB/AXI BIU clock
@@ -50,6 +50,8 @@ properties:
           const: rxoob
         - description: SATA Ports reference clock
           const: ref
+        - description: Rockchip ASIC clock
+          const: asic
 
   resets:
     description:
diff --git a/Documentation/devicetree/bindings/ata/snps,dwc-ahci.yaml b/Documentation/devicetree/bindings/ata/snps,dwc-ahci.yaml
index 5afa4b57ce20..c6a0d6c8b62c 100644
--- a/Documentation/devicetree/bindings/ata/snps,dwc-ahci.yaml
+++ b/Documentation/devicetree/bindings/ata/snps,dwc-ahci.yaml
@@ -23,9 +23,11 @@ properties:
         const: snps,dwc-ahci
       - description: SPEAr1340 AHCI SATA device
         const: snps,spear-ahci
-      - description: Rockhip RK3568 AHCI controller
+      - description: Rockhip AHCI controller
         items:
-          - const: rockchip,rk3568-dwc-ahci
+          - enum:
+              - rockchip,rk3568-dwc-ahci
+              - rockchip,rk3588-dwc-ahci
           - const: snps,dwc-ahci
 
 patternProperties:
-- 
2.39.2