[PATCH 3/5] fu540: dtsi: add reset producer and consumer entries
Bin Meng
bmeng.cn at gmail.com
Wed Jun 24 07:01:21 CEST 2020
Hi Sean,
On Wed, Jun 24, 2020 at 12:17 PM Sean Anderson <seanga2 at gmail.com> wrote:
>
> On 6/22/20 8:27 AM, Sagar Shrikant Kadam wrote:
> > The resets to DDR and ethernet sub-system are connected to
> > PRCI device reset control register, these reset signals
> > are active low and are held low at power-up. Add these reset
> > producer and consumer details needed by the reset driver.
> >
> > Signed-off-by: Sagar Shrikant Kadam <sagar.kadam at sifive.com>
> > Reviewed-by: Pragnesh Patel <Pragnesh.patel at sifive.com>
> > ---
> > arch/riscv/dts/fu540-c000-u-boot.dtsi | 10 ++++++++++
> > 1 file changed, 10 insertions(+)
> >
> > diff --git a/arch/riscv/dts/fu540-c000-u-boot.dtsi b/arch/riscv/dts/fu540-c000-u-boot.dtsi
> > index 9bba554..b37241e 100644
> > --- a/arch/riscv/dts/fu540-c000-u-boot.dtsi
> > +++ b/arch/riscv/dts/fu540-c000-u-boot.dtsi
> > @@ -59,6 +59,16 @@
> > reg = <0x0 0x2000000 0x0 0xc0000>;
> > u-boot,dm-spl;
> > };
> > + prci: clock-controller at 10000000 {
>
> Shouldn't this have a compatible property?
This is the U-Boot specific dts fragment. See fu540-c000.dtsi
>
> > + #reset-cells = <1>;
> > + resets = <&prci PRCI_RST_DDR_CTRL_N>,
> > + <&prci PRCI_RST_DDR_AXI_N>,
> > + <&prci PRCI_RST_DDR_AHB_N>,
> > + <&prci PRCI_RST_DDR_PHY_N>,
> > + <&prci PRCI_RST_GEMGXL_N>;
> > + reset-names = "ddr_ctrl", "ddr_axi", "ddr_ahb",
> > + "ddr_phy", "gemgxl_reset";
> > + };
> > dmc: dmc at 100b0000 {
> > compatible = "sifive,fu540-c000-ddr";
> > reg = <0x0 0x100b0000 0x0 0x0800
Regards,
Bin
More information about the U-Boot
mailing list