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@xxxxxxxxxx>
Reviewed-by: Vignesh Raghavendra <vigneshr@xxxxxx>
---
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 cdb530597c5e..0059de0aeedf 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -1308,4 +1308,23 @@
interrupt-names = "int0", "int1";
bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
};
+
+ 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 8e7893e58b03..30647fc3eec2 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -676,3 +676,7 @@
pinctrl-0 = <&main_mcan1_pins_default>;
phys = <&transceiver2>;
};
+
+&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 59f506cbd275..bd9b36b16787 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -593,3 +593,7 @@
&main_mcan1 {
status = "disabled";
};
+
+&gpmc0 {
+ status = "disabled";
+};
--
2.17.1
