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arm64: dts: rockchip: rk3399pro-evb-lp4-v11: add configs for lpddr4 dmc

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1.using sram buffer for pcm buffer
2.enable rockchip,force-iram

Change-Id: I0549b58547422d5ca2cc7b1391f44111d0562343
Signed-off-by: Weixin Zhou <zwx@rock-chips.com>
This commit is contained in:
Weixin Zhou
2019-05-20 16:33:06 +08:00
committed by Tao Huang
parent 994f361c86
commit 8a9c7596d9
1 changed files with 11 additions and 0 deletions
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11
arch/arm64/boot/dts/rockchip/rk3399pro-evb-lp4-v11-avb.dts
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@@ -10,6 +10,17 @@
/ {
model = "Rockchip rk3399pro evb lp4 v11 avb board";
compatible = "rockchip,rk3399pro-evb-lp4-v11-avb", "rockchip,rk3399pro";
/* first 64k(0xff8c0000~0xff8d0000) for ddr and suspend */
iram: sram@ff8d0000 {
compatible = "mmio-sram";
reg = <0x0 0xff8d0000 0x0 0x20000>; /* 128k */
};
};
&dmac_bus {
iram = <&iram>;
rockchip,force-iram;
};
&dmc {