Re: [PATCH 3/4] arm64: dts: ti: k3-j721e: Add the MCU SRAM node

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 05/06/2019 19:34, Suman Anna wrote:
Add the on-chip SRAM present within the MCU domain as a mmio-sram node.
The K3 J721E SoCs have 1 MB of such memory. Any specific memory range
within this RAM needed by a driver/software module ought to be reserved
using an appropriate child node.

Signed-off-by: Suman Anna <s-anna@xxxxxx>

Queuing for 5.3, thanks.

-Tero

---
  arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 8 ++++++++
  1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
index b72e033fa159..397ef715e145 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
@@ -44,6 +44,14 @@
  		pinctrl-single,function-mask = <0xffffffff>;
  	};
+ mcu_ram: sram@41c00000 {
+		compatible = "mmio-sram";
+		reg = <0x00 0x41c00000 0x00 0x100000>;
+		ranges = <0x0 0x00 0x41c00000 0x100000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+
  	wkup_uart0: serial@42300000 {
  		compatible = "ti,j721e-uart", "ti,am654-uart";
  		reg = <0x00 0x42300000 0x00 0x100>;


--
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux