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Date: Tue, 23 Nov 2021 12:39:07 +0200
From: Roger Quadros <rogerq@...nel.org>
To: nm@...com
Cc: kishon@...com, vigneshr@...com,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Roger Quadros <rogerq@...nel.org>
Subject: [PATCH 1/2] arm64: dts: ti: k3-am64-main: Add GPMC memory controller node
The GPMC is a unified memory controller dedicated for interfacing
with external memory devices like
- Asynchronous SRAM-like memories and ASICs
- Asynchronous, synchronous, and page mode burst NOR flash
- NAND flash
- Pseudo-SRAM devices
Signed-off-by: Roger Quadros <rogerq@...nel.org>
---
arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index 5ad638b95ffc..7fdd1789568a 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -1253,4 +1253,23 @@
bus_freq = <1000000>;
};
};
+
+ gpmc0: memory-controller@...00000 {
+ compatible = "ti,am64-gpmc";
+ power-domains = <&k3_pds 80 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 80 0>;
+ clock-names = "fck";
+ reg = <0x00 0x03b000000 0x00 0x2000>,
+ <0x00 0x050000000 0x00 0x7FFFFFF>;
+ reg-names = "cfg", "data";
+ interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
+ gpmc,num-cs = <3>;
+ gpmc,num-waitpins = <2>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
};
--
2.17.1
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