| Message ID | 20240904003409.1578212-3-yoshihiro.shimoda.uh@renesas.com (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 951f7eb0c2358b51ce782942df6c880da57f8882 |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | arm64: dts: renesas: r8a779h0: Enable PCIe Host | expand |
On Wed, Sep 4, 2024 at 2:34 AM Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> wrote: > Enable PCIe Host controller on R-Car V4M Gray Hawk board. > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> i.e. will queue in renesas-devel for v6.13. > --- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts > +++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts > +&pciec0 { > + reset-gpio = <&io_expander_a 0 GPIO_ACTIVE_LOW>; reset-gpios The former was deprecated in commit 42694f9f6407a933 ("dt-bindings: PCI: add snps,dw-pcie.yaml"). I'll fix that up while applying. > + status = "okay"; > +}; > + > &pfc { > pinctrl-0 = <&scif_clk_pins>, <&scif_clk2_pins>; > pinctrl-names = "default"; Gr{oetje,eeting}s, Geert
diff --git a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts index 9a1917b87f61..a5faff87aa26 100644 --- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts +++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts @@ -126,6 +126,12 @@ memory@480000000 { reg = <0x4 0x80000000 0x1 0x80000000>; }; + pcie_clk: clk-9fgv0841-pci { + compatible = "fixed-clock"; + clock-frequency = <100000000>; + #clock-cells = <0>; + }; + reg_1p8v: regulator-1p8v { compatible = "regulator-fixed"; regulator-name = "fixed-1.8V"; @@ -240,6 +246,17 @@ &i2c0 { status = "okay"; clock-frequency = <400000>; + io_expander_a: gpio@20 { + compatible = "onnn,pca9654"; + reg = <0x20>; + interrupt-parent = <&gpio0>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + eeprom@50 { compatible = "rohm,br24g01", "atmel,24c01"; label = "cpu-board"; @@ -309,6 +326,18 @@ &mmc0 { status = "okay"; }; +&pcie0_clkref { + compatible = "gpio-gate-clock"; + clocks = <&pcie_clk>; + enable-gpios = <&gpio4 21 GPIO_ACTIVE_LOW>; + /delete-property/ clock-frequency; +}; + +&pciec0 { + reset-gpio = <&io_expander_a 0 GPIO_ACTIVE_LOW>; + status = "okay"; +}; + &pfc { pinctrl-0 = <&scif_clk_pins>, <&scif_clk2_pins>; pinctrl-names = "default";
Enable PCIe Host controller on R-Car V4M Gray Hawk board. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> --- .../dts/renesas/r8a779h0-gray-hawk-single.dts | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+)