linux-kernel - [PATCH v3 7/9] ARM: dts: uniphier: Add ahci controller nodes for PXs2

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Date:   Tue, 13 Sep 2022 13:22:47 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     soc@...nel.org, Arnd Bergmann <arnd@...db.de>,
        Olof Johansson <olof@...om.net>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v3 7/9] ARM: dts: uniphier: Add ahci controller nodes for PXs2

Add ahci core controller and glue layer nodes including reset-controller
and sata-phy.

This supports for PXs2 and the boards without PXs2 vodka board that
doesn't implement any SATA connectors.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
 arch/arm/boot/dts/uniphier-pxs2-gentil.dts |  4 +++
 arch/arm/boot/dts/uniphier-pxs2.dtsi       | 40 ++++++++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/arch/arm/boot/dts/uniphier-pxs2-gentil.dts b/arch/arm/boot/dts/uniphier-pxs2-gentil.dts
index 759384b60663..5f18b926c50a 100644
--- a/arch/arm/boot/dts/uniphier-pxs2-gentil.dts
+++ b/arch/arm/boot/dts/uniphier-pxs2-gentil.dts
@@ -99,3 +99,7 @@ &usb0 {
 &usb1 {
 	status = "okay";
 };
+
+&ahci {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/uniphier-pxs2.dtsi b/arch/arm/boot/dts/uniphier-pxs2.dtsi
index d2a2468d4ea0..ca4dccf56a67 100644
--- a/arch/arm/boot/dts/uniphier-pxs2.dtsi
+++ b/arch/arm/boot/dts/uniphier-pxs2.dtsi
@@ -599,6 +599,46 @@ mdio: mdio {
 			};
 		};
 
+		ahci: sata@...00000 {
+			compatible = "socionext,uniphier-pxs2-ahci",
+				     "generic-ahci";
+			status = "disabled";
+			reg = <0x65600000 0x10000>;
+			interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&sys_clk 28>;
+			resets = <&sys_rst 28>, <&ahci_rst 0>;
+			ports-implemented = <1>;
+			phys = <&ahci_phy>;
+		};
+
+		sata-controller@...00000 {
+			compatible = "socionext,uniphier-pxs2-ahci-glue",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x65700000 0x100>;
+
+			ahci_rst: reset-controller@0 {
+				compatible = "socionext,uniphier-pxs2-ahci-reset";
+				reg = <0x0 0x4>;
+				clock-names = "link";
+				clocks = <&sys_clk 28>;
+				reset-names = "link";
+				resets = <&sys_rst 28>;
+				#reset-cells = <1>;
+			};
+
+			ahci_phy: sata-phy@10 {
+				compatible = "socionext,uniphier-pxs2-ahci-phy";
+				reg = <0x10 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 28>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 28>, <&sys_rst 30>;
+				#phy-cells = <0>;
+			};
+		};
+
 		usb0: usb@...00000 {
 			compatible = "socionext,uniphier-dwc3", "snps,dwc3";
 			status = "disabled";
-- 
2.25.1