linux-kernel - [RESEND PATCH v2 1/2] arm64: dts: ti: k3-am64-main: Add OSPI node

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Date:   Thu, 18 Mar 2021 17:07:56 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Vignesh Raghavendra <vigneshr@...com>
Subject: [RESEND PATCH v2 1/2] arm64: dts: ti: k3-am64-main: Add OSPI node

AM64 SoC has a single Octal SPI (OSPI) instance under Flash SubSystem
(FSS).  Add DT entry for the same.

Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
Reviewed-by: Pratyush Yadav <p.yadav@...com>
---

Rebase onto latest k3-dts-next

v1: lore.kernel.org/r/20210309130514.11740-1-vigneshr@...com

 arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 25 ++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index dc852f63d1a2..a03b66456062 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -538,4 +538,29 @@ adc {
 			compatible = "ti,am654-adc", "ti,am3359-adc";
 		};
 	};
+
+	fss: bus@...0000 {
+		compatible = "simple-bus";
+		reg = <0x00 0x0fc00000 0x00 0x70000>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		ospi0: spi@...0000 {
+			compatible = "ti,am654-ospi";
+			reg = <0x00 0x0fc40000 0x00 0x100>,
+			      <0x05 0x00000000 0x01 0x00000000>;
+			interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			#address-cells = <0x1>;
+			#size-cells = <0x0>;
+			clocks = <&k3_clks 75 6>;
+			assigned-clocks = <&k3_clks 75 6>;
+			assigned-clock-parents = <&k3_clks 75 7>;
+			assigned-clock-rates = <166666666>;
+			power-domains = <&k3_pds 75 TI_SCI_PD_EXCLUSIVE>;
+		};
+	};
 };
-- 
2.31.0