[RESEND PATCH v1 2/4] riscv: dts: t-head: Add basic device tree for Sipeed Lichee PI 4A board
Yixun Lan
dlan at gentoo.org
Mon May 29 05:00:47 CEST 2023
Hi Guo:
see my comment below.
On 09:19 Mon 29 May , Guo Ren wrote:
> On Sat, May 27, 2023 at 5:17 PM Yixun Lan <dlan at gentoo.org> wrote:
> >
> > Hi Guo:
> >
> > On 09:43 Sat 27 May , Guo Ren wrote:
> > > Sorry, why we need dts here? If we put dts here, we could delete the
> > > one in Linux.
> > No, I think it's more than a historical reason for why we have two dts
> > both in u-boot and kernel. And this dts here is merely used by u-boot,
> > it could be a simplified version comparing to kernel's dts.
> >
> > >
> > > We shouldn't put it with two places, that would be bad for maintanice.
> > I can totally understand your concern, in fact, we are trying to keep them sync,
> > so I will probably wait the dts of kernel settle down, before take action here.
> > so, please conside this patch as RFC, and may change in next revisions..
> Thx for clarification. But I still concern the necessary of the patch,
> could you move this from this series first, because we've argument on
> it. Your other patches looks good, I'm looking forward your next v2.
>
> But for this one, let's talk it after kernel side merged.
I'd like to include dts in the first series, otherwise it won't be a complete
working series, e.g. - not only it's unable to build, also can't do run-time test
I'm totally fine with kernel dts merged first, then submit this later, so no push..
>
> >
> > >
> > > On Fri, May 26, 2023 at 8:41 PM Yixun Lan <dlan at gentoo.org> wrote:
> > > >
> > > > Only add basic support for CPU, PLIC UART and Timer.
> > > >
> > > > Reviewed-by: Wei Fu <wefu at redhat.com>
> > > > Signed-off-by: Yixun Lan <dlan at gentoo.org>
> > > > ---
> > > > arch/riscv/dts/Makefile | 1 +
> > > > arch/riscv/dts/th1520-lichee-module-4a.dtsi | 34 ++
> > > > arch/riscv/dts/th1520-lichee-pi-4a.dts | 32 ++
> > > > arch/riscv/dts/th1520.dtsi | 435 ++++++++++++++++++++
> > > > 4 files changed, 502 insertions(+)
> > > > create mode 100644 arch/riscv/dts/th1520-lichee-module-4a.dtsi
> > > > create mode 100644 arch/riscv/dts/th1520-lichee-pi-4a.dts
> > > > create mode 100644 arch/riscv/dts/th1520.dtsi
> > > >
> > > > diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile
> > > > index 79a58694f5..72fd815a40 100644
> > > > --- a/arch/riscv/dts/Makefile
> > > > +++ b/arch/riscv/dts/Makefile
> > > > @@ -9,6 +9,7 @@ dtb-$(CONFIG_TARGET_SIFIVE_UNMATCHED) += hifive-unmatched-a00.dtb
> > > > dtb-$(CONFIG_TARGET_SIPEED_MAIX) += k210-maix-bit.dtb
> > > > dtb-$(CONFIG_TARGET_STARFIVE_VISIONFIVE2) += jh7110-starfive-visionfive-2-v1.3b.dtb
> > > > dtb-$(CONFIG_TARGET_STARFIVE_VISIONFIVE2) += jh7110-starfive-visionfive-2-v1.2a.dtb
> > > > +dtb-$(CONFIG_TARGET_TH1520_LPI4A) += th1520-lichee-pi-4a.dtb
> > > > include $(srctree)/scripts/Makefile.dts
> > > >
> > > > targets += $(dtb-y)
> > > > diff --git a/arch/riscv/dts/th1520-lichee-module-4a.dtsi b/arch/riscv/dts/th1520-lichee-module-4a.dtsi
> > > > new file mode 100644
> > > > index 0000000000..dc00e3dfa0
> > > > --- /dev/null
> > > > +++ b/arch/riscv/dts/th1520-lichee-module-4a.dtsi
> > > > @@ -0,0 +1,34 @@
> > > > +// SPDX-License-Identifier: GPL-2.0
> > > > +/*
> > > > + * Copyright (C) 2023 Jisheng Zhang <jszhang at kernel.org>
> > > > + */
> > > > +
> > > > +/dts-v1/;
> > > > +
> > > > +#include "th1520.dtsi"
> > > > +
> > > > +/ {
> > > > + model = "Sipeed Lichee Module 4A";
> > > > + compatible = "sipeed,lichee-module-4a", "thead,th1520";
> > > > +
> > > > + memory at 0 {
> > > > + device_type = "memory";
> > > > + reg = <0x0 0x00000000 0x2 0x00000000>;
> > > > + };
> > > > +};
> > > > +
> > > > +&osc {
> > > > + clock-frequency = <24000000>;
> > > > +};
> > > > +
> > > > +&osc_32k {
> > > > + clock-frequency = <32768>;
> > > > +};
> > > > +
> > > > +&apb_clk {
> > > > + clock-frequency = <62500000>;
> > > > +};
> > > > +
> > > > +&uart_sclk {
> > > > + clock-frequency = <100000000>;
> > > > +};
> > > > diff --git a/arch/riscv/dts/th1520-lichee-pi-4a.dts b/arch/riscv/dts/th1520-lichee-pi-4a.dts
> > > > new file mode 100644
> > > > index 0000000000..a1248b2ee3
> > > > --- /dev/null
> > > > +++ b/arch/riscv/dts/th1520-lichee-pi-4a.dts
> > > > @@ -0,0 +1,32 @@
> > > > +// SPDX-License-Identifier: GPL-2.0
> > > > +/*
> > > > + * Copyright (C) 2023 Jisheng Zhang <jszhang at kernel.org>
> > > > + */
> > > > +
> > > > +#include "th1520-lichee-module-4a.dtsi"
> > > > +
> > > > +/ {
> > > > + model = "Sipeed Lichee Pi 4A";
> > > > + compatible = "sipeed,lichee-pi-4a", "sipeed,lichee-module-4a", "thead,th1520";
> > > > +
> > > > + aliases {
> > > > + gpio0 = &gpio0;
> > > > + gpio1 = &gpio1;
> > > > + gpio2 = &gpio2;
> > > > + gpio3 = &gpio3;
> > > > + serial0 = &uart0;
> > > > + serial1 = &uart1;
> > > > + serial2 = &uart2;
> > > > + serial3 = &uart3;
> > > > + serial4 = &uart4;
> > > > + serial5 = &uart5;
> > > > + };
> > > > +
> > > > + chosen {
> > > > + stdout-path = "serial0:115200n8";
> > > > + };
> > > > +};
> > > > +
> > > > +&uart0 {
> > > > + status = "okay";
> > > > +};
> > > > diff --git a/arch/riscv/dts/th1520.dtsi b/arch/riscv/dts/th1520.dtsi
> > > > new file mode 100644
> > > > index 0000000000..f62a62da6e
> > > > --- /dev/null
> > > > +++ b/arch/riscv/dts/th1520.dtsi
> > > > @@ -0,0 +1,435 @@
> > > > +// SPDX-License-Identifier: GPL-2.0
> > > > +/*
> > > > + * Copyright (C) 2021 Alibaba Group Holding Limited.
> > > > + * Copyright (C) 2023 Jisheng Zhang <jszhang at kernel.org>
> > > > + */
> > > > +
> > > > +#include <dt-bindings/interrupt-controller/irq.h>
> > > > +
> > > > +/ {
> > > > + compatible = "thead,th1520";
> > > > + #address-cells = <2>;
> > > > + #size-cells = <2>;
> > > > +
> > > > + cpus: cpus {
> > > > + #address-cells = <1>;
> > > > + #size-cells = <0>;
> > > > + timebase-frequency = <3000000>;
> > > > +
> > > > + c910_0: cpu at 0 {
> > > > + compatible = "thead,c910", "riscv";
> > > > + device_type = "cpu";
> > > > + riscv,isa = "rv64imafdc";
> > > > + reg = <0>;
> > > > + i-cache-block-size = <64>;
> > > > + i-cache-size = <65536>;
> > > > + i-cache-sets = <512>;
> > > > + d-cache-block-size = <64>;
> > > > + d-cache-size = <65536>;
> > > > + d-cache-sets = <512>;
> > > > + next-level-cache = <&l2_cache>;
> > > > + mmu-type = "riscv,sv39";
> > > > +
> > > > + cpu0_intc: interrupt-controller {
> > > > + compatible = "riscv,cpu-intc";
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <1>;
> > > > + };
> > > > + };
> > > > +
> > > > + c910_1: cpu at 1 {
> > > > + compatible = "thead,c910", "riscv";
> > > > + device_type = "cpu";
> > > > + riscv,isa = "rv64imafdc";
> > > > + reg = <1>;
> > > > + i-cache-block-size = <64>;
> > > > + i-cache-size = <65536>;
> > > > + i-cache-sets = <512>;
> > > > + d-cache-block-size = <64>;
> > > > + d-cache-size = <65536>;
> > > > + d-cache-sets = <512>;
> > > > + next-level-cache = <&l2_cache>;
> > > > + mmu-type = "riscv,sv39";
> > > > +
> > > > + cpu1_intc: interrupt-controller {
> > > > + compatible = "riscv,cpu-intc";
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <1>;
> > > > + };
> > > > + };
> > > > +
> > > > + c910_2: cpu at 2 {
> > > > + compatible = "thead,c910", "riscv";
> > > > + device_type = "cpu";
> > > > + riscv,isa = "rv64imafdc";
> > > > + reg = <2>;
> > > > + i-cache-block-size = <64>;
> > > > + i-cache-size = <65536>;
> > > > + i-cache-sets = <512>;
> > > > + d-cache-block-size = <64>;
> > > > + d-cache-size = <65536>;
> > > > + d-cache-sets = <512>;
> > > > + next-level-cache = <&l2_cache>;
> > > > + mmu-type = "riscv,sv39";
> > > > +
> > > > + cpu2_intc: interrupt-controller {
> > > > + compatible = "riscv,cpu-intc";
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <1>;
> > > > + };
> > > > + };
> > > > +
> > > > + c910_3: cpu at 3 {
> > > > + compatible = "thead,c910", "riscv";
> > > > + device_type = "cpu";
> > > > + riscv,isa = "rv64imafdc";
> > > > + reg = <3>;
> > > > + i-cache-block-size = <64>;
> > > > + i-cache-size = <65536>;
> > > > + i-cache-sets = <512>;
> > > > + d-cache-block-size = <64>;
> > > > + d-cache-size = <65536>;
> > > > + d-cache-sets = <512>;
> > > > + next-level-cache = <&l2_cache>;
> > > > + mmu-type = "riscv,sv39";
> > > > +
> > > > + cpu3_intc: interrupt-controller {
> > > > + compatible = "riscv,cpu-intc";
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <1>;
> > > > + };
> > > > + };
> > > > +
> > > > + cpu-map {
> > > > + cluster0 {
> > > > + core0 {
> > > > + cpu = <&c910_0>;
> > > > + };
> > > > +
> > > > + core1 {
> > > > + cpu = <&c910_1>;
> > > > + };
> > > > +
> > > > + core2 {
> > > > + cpu = <&c910_2>;
> > > > + };
> > > > +
> > > > + core3 {
> > > > + cpu = <&c910_3>;
> > > > + };
> > > > + };
> > > > + };
> > > > +
> > > > + l2_cache: l2-cache {
> > > > + compatible = "cache";
> > > > + cache-block-size = <64>;
> > > > + cache-level = <2>;
> > > > + cache-size = <1048576>;
> > > > + cache-sets = <1024>;
> > > > + cache-unified;
> > > > + };
> > > > + };
> > > > +
> > > > + osc: oscillator {
> > > > + compatible = "fixed-clock";
> > > > + clock-output-names = "osc_24m";
> > > > + #clock-cells = <0>;
> > > > + };
> > > > +
> > > > + osc_32k: 32k-oscillator {
> > > > + compatible = "fixed-clock";
> > > > + clock-output-names = "osc_32k";
> > > > + #clock-cells = <0>;
> > > > + };
> > > > +
> > > > + apb_clk: apb-clk-clock {
> > > > + compatible = "fixed-clock";
> > > > + clock-output-names = "apb_clk";
> > > > + #clock-cells = <0>;
> > > > + };
> > > > +
> > > > + uart_sclk: uart-sclk-clock {
> > > > + compatible = "fixed-clock";
> > > > + clock-output-names = "uart_sclk";
> > > > + #clock-cells = <0>;
> > > > + };
> > > > +
> > > > + soc {
> > > > + compatible = "simple-bus";
> > > > + interrupt-parent = <&plic>;
> > > > + #address-cells = <2>;
> > > > + #size-cells = <2>;
> > > > + ranges;
> > > > +
> > > > + cpurst: cpurst {
> > > > + compatible = "thead,reset-th1520";
> > > > + entry-reg = <0xff 0xff019050>;
> > > > + entry-cnt = <4>;
> > > > + control-reg = <0xff 0xff015004>;
> > > > + control-val = <0x1c>;
> > > > + csr-copy = <0x7f3 0x7c0 0x7c1 0x7c2 0x7c3 0x7c5 0x7cc>;
> > > > + };
> > > This part has been changed.
> > >
> > noted, will update accordingly
> >
> > > > +
> > > > + plic: interrupt-controller at ffd8000000 {
> > > > + compatible = "thead,th1520-plic", "thead,c900-plic";
> > > > + reg = <0xff 0xd8000000 0x0 0x01000000>;
> > > > + interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>,
> > > > + <&cpu1_intc 11>, <&cpu1_intc 9>,
> > > > + <&cpu2_intc 11>, <&cpu2_intc 9>,
> > > > + <&cpu3_intc 11>, <&cpu3_intc 9>;
> > > > + interrupt-controller;
> > > > + #address-cells = <0>;
> > > > + #interrupt-cells = <2>;
> > > > + riscv,ndev = <240>;
> > > > + };
> > > > +
> > > > + clint: timer at ffdc000000 {
> > > > + compatible = "thead,th1520-clint", "thead,c900-clint";
> > > > + reg = <0xff 0xdc000000 0x0 0x00010000>;
> > > > + interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
> > > > + <&cpu1_intc 3>, <&cpu1_intc 7>,
> > > > + <&cpu2_intc 3>, <&cpu2_intc 7>,
> > > > + <&cpu3_intc 3>, <&cpu3_intc 7>;
> > > > + };
> > > > +
> > > > + uart0: serial at ffe7014000 {
> > > > + compatible = "snps,dw-apb-uart";
> > > > + reg = <0xff 0xe7014000 0x0 0x4000>;
> > > > + interrupts = <36 IRQ_TYPE_LEVEL_HIGH>;
> > > > + clocks = <&uart_sclk>;
> > > > + reg-shift = <2>;
> > > > + reg-io-width = <4>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + uart1: serial at ffe7f00000 {
> > > > + compatible = "snps,dw-apb-uart";
> > > > + reg = <0xff 0xe7f00000 0x0 0x4000>;
> > > > + interrupts = <37 IRQ_TYPE_LEVEL_HIGH>;
> > > > + clocks = <&uart_sclk>;
> > > > + reg-shift = <2>;
> > > > + reg-io-width = <4>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + uart3: serial at ffe7f04000 {
> > > > + compatible = "snps,dw-apb-uart";
> > > > + reg = <0xff 0xe7f04000 0x0 0x4000>;
> > > > + interrupts = <39 IRQ_TYPE_LEVEL_HIGH>;
> > > > + clocks = <&uart_sclk>;
> > > > + reg-shift = <2>;
> > > > + reg-io-width = <4>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + gpio2: gpio at ffe7f34000 {
> > > > + compatible = "snps,dw-apb-gpio";
> > > > + reg = <0xff 0xe7f34000 0x0 0x1000>;
> > > > + #address-cells = <1>;
> > > > + #size-cells = <0>;
> > > > +
> > > > + portc: gpio-controller at 0 {
> > > > + compatible = "snps,dw-apb-gpio-port";
> > > > + gpio-controller;
> > > > + #gpio-cells = <2>;
> > > > + ngpios = <32>;
> > > > + reg = <0>;
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <2>;
> > > > + interrupts = <58 IRQ_TYPE_LEVEL_HIGH>;
> > > > + };
> > > > + };
> > > > +
> > > > + gpio3: gpio at ffe7f38000 {
> > > > + compatible = "snps,dw-apb-gpio";
> > > > + reg = <0xff 0xe7f38000 0x0 0x1000>;
> > > > + #address-cells = <1>;
> > > > + #size-cells = <0>;
> > > > +
> > > > + portd: gpio-controller at 0 {
> > > > + compatible = "snps,dw-apb-gpio-port";
> > > > + gpio-controller;
> > > > + #gpio-cells = <2>;
> > > > + ngpios = <32>;
> > > > + reg = <0>;
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <2>;
> > > > + interrupts = <59 IRQ_TYPE_LEVEL_HIGH>;
> > > > + };
> > > > + };
> > > > +
> > > > + gpio0: gpio at ffec005000 {
> > > > + compatible = "snps,dw-apb-gpio";
> > > > + reg = <0xff 0xec005000 0x0 0x1000>;
> > > > + #address-cells = <1>;
> > > > + #size-cells = <0>;
> > > > +
> > > > + porta: gpio-controller at 0 {
> > > > + compatible = "snps,dw-apb-gpio-port";
> > > > + gpio-controller;
> > > > + #gpio-cells = <2>;
> > > > + ngpios = <32>;
> > > > + reg = <0>;
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <2>;
> > > > + interrupts = <56 IRQ_TYPE_LEVEL_HIGH>;
> > > > + };
> > > > + };
> > > > +
> > > > + gpio1: gpio at ffec006000 {
> > > > + compatible = "snps,dw-apb-gpio";
> > > > + reg = <0xff 0xec006000 0x0 0x1000>;
> > > > + #address-cells = <1>;
> > > > + #size-cells = <0>;
> > > > +
> > > > + portb: gpio-controller at 0 {
> > > > + compatible = "snps,dw-apb-gpio-port";
> > > > + gpio-controller;
> > > > + #gpio-cells = <2>;
> > > > + ngpios = <32>;
> > > > + reg = <0>;
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <2>;
> > > > + interrupts = <57 IRQ_TYPE_LEVEL_HIGH>;
> > > > + };
> > > > + };
> > > > +
> > > > + uart2: serial at ffec010000 {
> > > > + compatible = "snps,dw-apb-uart";
> > > > + reg = <0xff 0xec010000 0x0 0x4000>;
> > > > + interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
> > > > + clocks = <&uart_sclk>;
> > > > + reg-shift = <2>;
> > > > + reg-io-width = <4>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + timer0: timer at ffefc32000 {
> > > > + compatible = "snps,dw-apb-timer";
> > > > + reg = <0xff 0xefc32000 0x0 0x14>;
> > > > + clocks = <&apb_clk>;
> > > > + clock-names = "timer";
> > > > + interrupts = <16 IRQ_TYPE_LEVEL_HIGH>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + timer1: timer at ffefc32014 {
> > > > + compatible = "snps,dw-apb-timer";
> > > > + reg = <0xff 0xefc32014 0x0 0x14>;
> > > > + clocks = <&apb_clk>;
> > > > + clock-names = "timer";
> > > > + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + timer2: timer at ffefc32028 {
> > > > + compatible = "snps,dw-apb-timer";
> > > > + reg = <0xff 0xefc32028 0x0 0x14>;
> > > > + clocks = <&apb_clk>;
> > > > + clock-names = "timer";
> > > > + interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + timer3: timer at ffefc3203c {
> > > > + compatible = "snps,dw-apb-timer";
> > > > + reg = <0xff 0xefc3203c 0x0 0x14>;
> > > > + clocks = <&apb_clk>;
> > > > + clock-names = "timer";
> > > > + interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + uart4: serial at fff7f08000 {
> > > > + compatible = "snps,dw-apb-uart";
> > > > + reg = <0xff 0xf7f08000 0x0 0x4000>;
> > > > + interrupts = <40 IRQ_TYPE_LEVEL_HIGH>;
> > > > + clocks = <&uart_sclk>;
> > > > + reg-shift = <2>;
> > > > + reg-io-width = <4>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + uart5: serial at fff7f0c000 {
> > > > + compatible = "snps,dw-apb-uart";
> > > > + reg = <0xff 0xf7f0c000 0x0 0x4000>;
> > > > + interrupts = <41 IRQ_TYPE_LEVEL_HIGH>;
> > > > + clocks = <&uart_sclk>;
> > > > + reg-shift = <2>;
> > > > + reg-io-width = <4>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + timer4: timer at ffffc33000 {
> > > > + compatible = "snps,dw-apb-timer";
> > > > + reg = <0xff 0xffc33000 0x0 0x14>;
> > > > + clocks = <&apb_clk>;
> > > > + clock-names = "timer";
> > > > + interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + timer5: timer at ffffc33014 {
> > > > + compatible = "snps,dw-apb-timer";
> > > > + reg = <0xff 0xffc33014 0x0 0x14>;
> > > > + clocks = <&apb_clk>;
> > > > + clock-names = "timer";
> > > > + interrupts = <21 IRQ_TYPE_LEVEL_HIGH>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + timer6: timer at ffffc33028 {
> > > > + compatible = "snps,dw-apb-timer";
> > > > + reg = <0xff 0xffc33028 0x0 0x14>;
> > > > + clocks = <&apb_clk>;
> > > > + clock-names = "timer";
> > > > + interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + timer7: timer at ffffc3303c {
> > > > + compatible = "snps,dw-apb-timer";
> > > > + reg = <0xff 0xffc3303c 0x0 0x14>;
> > > > + clocks = <&apb_clk>;
> > > > + clock-names = "timer";
> > > > + interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;
> > > > + status = "disabled";
> > > > + };
> > > > +
> > > > + ao_gpio0: gpio at fffff41000 {
> > > > + compatible = "snps,dw-apb-gpio";
> > > > + reg = <0xff 0xfff41000 0x0 0x1000>;
> > > > + #address-cells = <1>;
> > > > + #size-cells = <0>;
> > > > +
> > > > + porte: gpio-controller at 0 {
> > > > + compatible = "snps,dw-apb-gpio-port";
> > > > + gpio-controller;
> > > > + #gpio-cells = <2>;
> > > > + ngpios = <32>;
> > > > + reg = <0>;
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <2>;
> > > > + interrupts = <76 IRQ_TYPE_LEVEL_HIGH>;
> > > > + };
> > > > + };
> > > > +
> > > > + ao_gpio1: gpio at fffff52000 {
> > > > + compatible = "snps,dw-apb-gpio";
> > > > + reg = <0xff 0xfff52000 0x0 0x1000>;
> > > > + #address-cells = <1>;
> > > > + #size-cells = <0>;
> > > > +
> > > > + portf: gpio-controller at 0 {
> > > > + compatible = "snps,dw-apb-gpio-port";
> > > > + gpio-controller;
> > > > + #gpio-cells = <2>;
> > > > + ngpios = <32>;
> > > > + reg = <0>;
> > > > + interrupt-controller;
> > > > + #interrupt-cells = <2>;
> > > > + interrupts = <55 IRQ_TYPE_LEVEL_HIGH>;
> > > > + };
> > > > + };
> > > > + };
> > > > +};
> > > > --
> > > > 2.40.0
> > > >
> > >
> > >
> > > --
> > > Best Regards
> > > Guo Ren
> >
> > --
> > Yixun Lan (dlan)
> > Gentoo Linux Developer
> > GPG Key ID AABEFD55
>
>
>
> --
> Best Regards
> Guo Ren
--
Yixun Lan (dlan)
Gentoo Linux Developer
GPG Key ID AABEFD55
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