diff options
| author | Lin Huang <hl@rock-chips.com> | 2022-03-08 20:08:58 +0100 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2022-04-10 19:10:09 +0200 |
| commit | 80bc6f34c559c97069b75d6eb453d4218c3ed017 (patch) | |
| tree | 214c319893964923a5cc9eb9506537f586ac5598 /arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi | |
| parent | arm64: dts: rockchip: Add dfi and dmc nodes to rk3399 (diff) | |
| download | linux-80bc6f34c559c97069b75d6eb453d4218c3ed017.tar.xz linux-80bc6f34c559c97069b75d6eb453d4218c3ed017.zip | |
arm64: dts: rockchip: Enable dmc and dfi nodes on gru
Enable the DMC (Dynamic Memory Controller) and the DFI (DDR PHY
Interface) nodes on gru boards so we can support DDR DVFS.
Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Gaël PORTAY <gael.portay@collabora.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20220308110825.v4.12.I3a5c7f21ecd8221b42c2dbcd618386bce7b3e9a6@changeid
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi index a9817b3d7edc..913d845eb51a 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-scarlet.dtsi @@ -391,6 +391,18 @@ camera: &i2c7 { <400000000>; }; +/* The center supply is fixed to .9V on scarlet */ +&dmc { + center-supply = <&pp900_s0>; +}; + +/* We don't need .925 V for 928 MHz on scarlet */ +&dmc_opp_table { + opp03 { + opp-microvolt = <900000>; + }; +}; + &gpio0 { gpio-line-names = /* GPIO0 A 0-7 */ "CLK_32K_AP", |