[PATCH v2 1/2] arm64: dts: ti: k3-am64-main: Add GPMC memory controller node
From: Roger Quadros <rogerq@kernel.org>
Date: 2021-12-08 13:15:50
Also in:
linux-devicetree, lkml
Subsystem:
arm/texas instruments k3 architecture, the rest · Maintainers:
Nishanth Menon, Vignesh Raghavendra, Tero Kristo, Linus Torvalds
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@kernel.org> --- arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 19 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am642-evm.dts | 4 ++++ arch/arm64/boot/dts/ti/k3-am642-sk.dts | 4 ++++ 3 files changed, 27 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..830bfc0929b9 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@3b000000 { + 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 0x400>, + <0x00 0x050000000 0x00 0x8000000>; + 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>; + }; };
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index 6726c4c7c28c..e13866a6e131 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts@@ -638,3 +638,7 @@ &icssg1_mdio { status = "disabled"; }; + +&gpmc0 { + status = "disabled"; +};
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 6b04745147be..e2793202af38 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts@@ -525,3 +525,7 @@ &icssg1_mdio { status = "disabled"; }; + +&gpmc0 { + status = "disabled"; +};
--
2.17.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel