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authorOlof Johansson <olof@lixom.net>2019-12-05 13:16:58 -0800
committerOlof Johansson <olof@lixom.net>2019-12-05 13:18:54 -0800
commit942e6f8a8314e5550e254519dfba4ccd5170421d (patch)
tree75ec655b440fbc1c454247af38b5596dd8c78de9 /Documentation/devicetree/bindings/sram/renesas,smp-sram.txt
parent336bab731be76a90291697e51d2aed0ad67d7cb5 (diff)
parentb08baef02b26cf7c2123e4a24a2fa1fb7a593ffb (diff)
Merge mainline/master into arm/fixes
This brings in the mainline tree right after armsoc contents was merged this release cycle, so that we can re-run savedefconfig, etc. Signed-off-by: Olof Johansson <olof@lixom.net>
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-* Renesas SMP SRAM
-
-Renesas R-Car Gen2 and RZ/G1 SoCs need a small piece of SRAM for the jump stub
-for secondary CPU bringup and CPU hotplug.
-This memory is reserved by adding a child node to a "mmio-sram" node, cfr.
-Documentation/devicetree/bindings/sram/sram.txt.
-
-Required child node properties:
- - compatible: Must be "renesas,smp-sram",
- - reg: Address and length of the reserved SRAM.
- The full physical (bus) address must be aligned to a 256 KiB boundary.
-
-
-Example:
-
- icram1: sram@e63c0000 {
- compatible = "mmio-sram";
- reg = <0 0xe63c0000 0 0x1000>;
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0 0 0xe63c0000 0x1000>;
-
- smp-sram@0 {
- compatible = "renesas,smp-sram";
- reg = <0 0x10>;
- };
- };