From mboxrd@z Thu Jan 1 00:00:00 1970 From: martin.blumenstingl@googlemail.com (Martin Blumenstingl) Date: Wed, 12 Jul 2017 00:26:55 +0200 Subject: [PATCH] ARM: dts: meson: add a node which describes the SRAM Message-ID: <20170711222655.15859-1-martin.blumenstingl@googlemail.com> To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org All 32bit Meson SoCs contain 128KiB SRAM. This SRAM is used when suspending the device (the the ARM Power Firmware on Meson8/Meson8b/Meson8m2 saves the DDR settings there) and to boot the secondary CPU cores. Signed-off-by: Martin Blumenstingl --- arch/arm/boot/dts/meson.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi index 4c27ca083afb..7e136991a4b9 100644 --- a/arch/arm/boot/dts/meson.dtsi +++ b/arch/arm/boot/dts/meson.dtsi @@ -244,5 +244,13 @@ interrupt-names = "macirq"; status = "disabled"; }; + + ahb_sram: sram at d9000000 { + compatible = "mmio-sram"; + reg = <0xd9000000 0x20000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0xd9000000 0x20000>; + }; }; }; /* end of / */ -- 2.13.2