lkml.org 
[lkml]   [2020]   [Oct]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 5.4 299/408] ARM: dts: sun8i: r40: bananapi-m2-ultra: Fix dcdc1 regulator
    Date
    From: Jernej Skrabec <jernej.skrabec@siol.net>

    [ Upstream commit 3658a2b7f3e16c7053eb8d70657b94bb62c5a0f4 ]

    DCDC1 regulator powers many different subsystems. While some of them can
    work at 3.0 V, some of them can not. For example, VCC-HDMI can only work
    between 3.24 V and 3.36 V. According to OS images provided by the board
    manufacturer this regulator should be set to 3.3 V.

    Set DCDC1 and DCDC1SW to 3.3 V in order to fix this.

    Fixes: da7ac948fa93 ("ARM: dts: sun8i: Add board dts file for Banana Pi M2 Ultra")
    Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
    Signed-off-by: Maxime Ripard <maxime@cerno.tech>
    Link: https://lore.kernel.org/r/20200824193649.978197-1-jernej.skrabec@siol.net
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts | 10 +++++-----
    1 file changed, 5 insertions(+), 5 deletions(-)

    diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
    index 42d62d1ba1dc7..ea15073f0c79c 100644
    --- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
    +++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
    @@ -223,16 +223,16 @@ &reg_aldo3 {
    };

    &reg_dc1sw {
    - regulator-min-microvolt = <3000000>;
    - regulator-max-microvolt = <3000000>;
    + regulator-min-microvolt = <3300000>;
    + regulator-max-microvolt = <3300000>;
    regulator-name = "vcc-gmac-phy";
    };

    &reg_dcdc1 {
    regulator-always-on;
    - regulator-min-microvolt = <3000000>;
    - regulator-max-microvolt = <3000000>;
    - regulator-name = "vcc-3v0";
    + regulator-min-microvolt = <3300000>;
    + regulator-max-microvolt = <3300000>;
    + regulator-name = "vcc-3v3";
    };

    &reg_dcdc2 {
    --
    2.25.1


    \
     
     \ /
      Last update: 2020-10-27 18:32    [W:2.178 / U:0.416 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site