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Date: Mon, 24 Jun 2024 01:18:07 +0000
From: Minda Chen <minda.chen@...rfivetech.com>
To: Conor Dooley <conor@...nel.org>
CC: Rob Herring <robh+dt@...nel.org>, Emil Renner Berthing
<emil.renner.berthing@...onical.com>, Krzysztof Kozlowski
<krzysztof.kozlowski+dt@...aro.org>, "devicetree@...r.kernel.org"
<devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org"
<linux-kernel@...r.kernel.org>, "linux-riscv@...ts.infradead.org"
<linux-riscv@...ts.infradead.org>, Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>
Subject: Re: [PATCH v2 1/1] riscv: dts: starfive: add PCIe dts configuration
for JH7110
>
> On Fri, Jun 21, 2024 at 04:22:31PM +0800, Minda Chen wrote:
> > Add PCIe dts configuraion for JH7110 SoC platform.
>
> I think the commit message should mention that the star64 doesn't have a pci
> port exposed. If nothing else crops up, I'll edit it myself if that's okay?
>
> Thanks,
> Conor.
>
Okay. Thanks.
> >
> > Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
> > Reviewed-by: Hal Feng <hal.feng@...rfivetech.com>
> > ---
> > .../boot/dts/starfive/jh7110-common.dtsi | 62 +++++++++++++
> > .../boot/dts/starfive/jh7110-milkv-mars.dts | 7 ++
> > .../jh7110-starfive-visionfive-2.dtsi | 8 ++
> > arch/riscv/boot/dts/starfive/jh7110.dtsi | 86 +++++++++++++++++++
> > 4 files changed, 163 insertions(+)
> >
> > diff --git a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
> > b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
> > index 8ff6ea64f048..f91abc660ae8 100644
> > --- a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
> > +++ b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
> > @@ -294,6 +294,20 @@
> > status = "okay";
> > };
> >
> > +&pcie0 {
> > + perst-gpios = <&sysgpio 26 GPIO_ACTIVE_LOW>;
> > + phys = <&pciephy0>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pcie0_pins>;
> > +};
> > +
> > +&pcie1 {
> > + perst-gpios = <&sysgpio 28 GPIO_ACTIVE_LOW>;
> > + phys = <&pciephy1>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pcie1_pins>;
> > +};
> > +
> > &pwmdac {
> > pinctrl-names = "default";
> > pinctrl-0 = <&pwmdac_pins>;
> > @@ -476,6 +490,54 @@
> > };
> > };
> >
> > + pcie0_pins: pcie0-0 {
> > + clkreq-pins {
> > + pinmux = <GPIOMUX(27, GPOUT_LOW,
> > + GPOEN_DISABLE,
> > + GPI_NONE)>;
> > + bias-pull-down;
> > + drive-strength = <2>;
> > + input-enable;
> > + input-schmitt-disable;
> > + slew-rate = <0>;
> > + };
> > +
> > + wake-pins {
> > + pinmux = <GPIOMUX(32, GPOUT_LOW,
> > + GPOEN_DISABLE,
> > + GPI_NONE)>;
> > + bias-pull-up;
> > + drive-strength = <2>;
> > + input-enable;
> > + input-schmitt-disable;
> > + slew-rate = <0>;
> > + };
> > + };
> > +
> > + pcie1_pins: pcie1-0 {
> > + clkreq-pins {
> > + pinmux = <GPIOMUX(29, GPOUT_LOW,
> > + GPOEN_DISABLE,
> > + GPI_NONE)>;
> > + bias-pull-down;
> > + drive-strength = <2>;
> > + input-enable;
> > + input-schmitt-disable;
> > + slew-rate = <0>;
> > + };
> > +
> > + wake-pins {
> > + pinmux = <GPIOMUX(21, GPOUT_LOW,
> > + GPOEN_DISABLE,
> > + GPI_NONE)>;
> > + bias-pull-up;
> > + drive-strength = <2>;
> > + input-enable;
> > + input-schmitt-disable;
> > + slew-rate = <0>;
> > + };
> > + };
> > +
> > pwmdac_pins: pwmdac-0 {
> > pwmdac-pins {
> > pinmux = <GPIOMUX(33, GPOUT_SYS_PWMDAC_LEFT, diff --git
> > a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
> > b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
> > index fa0eac78e0ba..5cb9e99e1dac 100644
> > --- a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
> > +++ b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
> > @@ -17,6 +17,13 @@
> > assigned-clock-parents = <&aoncrg
> JH7110_AONCLK_GMAC0_RMII_RTX>; };
> >
> > +&pcie0 {
> > + status = "okay";
> > +};
> > +
> > +&pcie1 {
> > + status = "okay";
> > +};
> >
> > &phy0 {
> > motorcomm,tx-clk-adj-enabled;
> > diff --git
> > a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> > b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> > index 9d70f21c86fc..18f38fc790a4 100644
> > --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> > +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
> > @@ -32,3 +32,11 @@
> > &mmc0 {
> > non-removable;
> > };
> > +
> > +&pcie0 {
> > + status = "okay";
> > +};
> > +
> > +&pcie1 {
> > + status = "okay";
> > +};
> > diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> > b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> > index 18047195c600..5ac70759e0ab 100644
> > --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> > +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> > @@ -1214,5 +1214,91 @@
> > #reset-cells = <1>;
> > power-domains = <&pwrc JH7110_PD_VOUT>;
> > };
> > +
> > + pcie0: pcie@...000000 {
> > + compatible = "starfive,jh7110-pcie";
> > + reg = <0x9 0x40000000 0x0 0x1000000>,
> > + <0x0 0x2b000000 0x0 0x100000>;
> > + reg-names = "cfg", "apb";
> > + linux,pci-domain = <0>;
> > + #address-cells = <3>;
> > + #size-cells = <2>;
> > + #interrupt-cells = <1>;
> > + ranges = <0x82000000 0x0 0x30000000 0x0 0x30000000 0x0
> 0x08000000>,
> > + <0xc3000000 0x9 0x00000000 0x9 0x00000000 0x0
> 0x40000000>;
> > + interrupts = <56>;
> > + interrupt-map-mask = <0x0 0x0 0x0 0x7>;
> > + interrupt-map = <0x0 0x0 0x0 0x1 &pcie_intc0 0x1>,
> > + <0x0 0x0 0x0 0x2 &pcie_intc0 0x2>,
> > + <0x0 0x0 0x0 0x3 &pcie_intc0 0x3>,
> > + <0x0 0x0 0x0 0x4 &pcie_intc0 0x4>;
> > + msi-controller;
> > + device_type = "pci";
> > + starfive,stg-syscon = <&stg_syscon>;
> > + bus-range = <0x0 0xff>;
> > + clocks = <&syscrg JH7110_SYSCLK_NOC_BUS_STG_AXI>,
> > + <&stgcrg JH7110_STGCLK_PCIE0_TL>,
> > + <&stgcrg JH7110_STGCLK_PCIE0_AXI_MST0>,
> > + <&stgcrg JH7110_STGCLK_PCIE0_APB>;
> > + clock-names = "noc", "tl", "axi_mst0", "apb";
> > + resets = <&stgcrg JH7110_STGRST_PCIE0_AXI_MST0>,
> > + <&stgcrg JH7110_STGRST_PCIE0_AXI_SLV0>,
> > + <&stgcrg JH7110_STGRST_PCIE0_AXI_SLV>,
> > + <&stgcrg JH7110_STGRST_PCIE0_BRG>,
> > + <&stgcrg JH7110_STGRST_PCIE0_CORE>,
> > + <&stgcrg JH7110_STGRST_PCIE0_APB>;
> > + reset-names = "mst0", "slv0", "slv", "brg",
> > + "core", "apb";
> > + status = "disabled";
> > +
> > + pcie_intc0: interrupt-controller {
> > + #address-cells = <0>;
> > + #interrupt-cells = <1>;
> > + interrupt-controller;
> > + };
> > + };
> > +
> > + pcie1: pcie@...000000 {
> > + compatible = "starfive,jh7110-pcie";
> > + reg = <0x9 0xc0000000 0x0 0x1000000>,
> > + <0x0 0x2c000000 0x0 0x100000>;
> > + reg-names = "cfg", "apb";
> > + linux,pci-domain = <1>;
> > + #address-cells = <3>;
> > + #size-cells = <2>;
> > + #interrupt-cells = <1>;
> > + ranges = <0x82000000 0x0 0x38000000 0x0 0x38000000 0x0
> 0x08000000>,
> > + <0xc3000000 0x9 0x80000000 0x9 0x80000000 0x0
> 0x40000000>;
> > + interrupts = <57>;
> > + interrupt-map-mask = <0x0 0x0 0x0 0x7>;
> > + interrupt-map = <0x0 0x0 0x0 0x1 &pcie_intc1 0x1>,
> > + <0x0 0x0 0x0 0x2 &pcie_intc1 0x2>,
> > + <0x0 0x0 0x0 0x3 &pcie_intc1 0x3>,
> > + <0x0 0x0 0x0 0x4 &pcie_intc1 0x4>;
> > + msi-controller;
> > + device_type = "pci";
> > + starfive,stg-syscon = <&stg_syscon>;
> > + bus-range = <0x0 0xff>;
> > + clocks = <&syscrg JH7110_SYSCLK_NOC_BUS_STG_AXI>,
> > + <&stgcrg JH7110_STGCLK_PCIE1_TL>,
> > + <&stgcrg JH7110_STGCLK_PCIE1_AXI_MST0>,
> > + <&stgcrg JH7110_STGCLK_PCIE1_APB>;
> > + clock-names = "noc", "tl", "axi_mst0", "apb";
> > + resets = <&stgcrg JH7110_STGRST_PCIE1_AXI_MST0>,
> > + <&stgcrg JH7110_STGRST_PCIE1_AXI_SLV0>,
> > + <&stgcrg JH7110_STGRST_PCIE1_AXI_SLV>,
> > + <&stgcrg JH7110_STGRST_PCIE1_BRG>,
> > + <&stgcrg JH7110_STGRST_PCIE1_CORE>,
> > + <&stgcrg JH7110_STGRST_PCIE1_APB>;
> > + reset-names = "mst0", "slv0", "slv", "brg",
> > + "core", "apb";
> > + status = "disabled";
> > +
> > + pcie_intc1: interrupt-controller {
> > + #address-cells = <0>;
> > + #interrupt-cells = <1>;
> > + interrupt-controller;
> > + };
> > + };
> > };
> > };
> > --
> > 2.17.1
> >
> >
> > _______________________________________________
> > linux-riscv mailing list
> > linux-riscv@...ts.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-riscv
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