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Date: Fri, 28 Aug 2015 10:59:32 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: Xing Zheng <zhengxing@...k-chips.com>
Cc: linux-rockchip@...ts.infradead.org,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Russell King <linux@....linux.org.uk>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/3] ARM: dts: rockchip: add core rk3036 dts
Hi,
Am Freitag, 28. August 2015, 13:46:46 schrieb Xing Zheng:
> Initial release for rk3036, node definitions rk3036 sdk board.
>
> Signed-off-by: Xing Zheng <zhengxing@...k-chips.com>
> ---
>
> Changes in v1: None
>
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/rk3036-sdk.dts | 362
> ++++++++++++++++++++++++++++++++++++++ 2 files changed, 363 insertions(+)
as Eddie already said, please split into two files ... just look at the other
Rockchip socs for inspiration :-)
> create mode 100644 arch/arm/boot/dts/rk3036-sdk.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 6d7cec1..7014a3b 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -501,6 +501,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += \
> rk3066a-bqcurie2.dtb \
> rk3066a-marsboard.dtb \
> rk3066a-rayeager.dtb \
> + rk3036-sdk.dtb \
> rk3188-radxarock.dtb \
> rk3288-evb-act8846.dtb \
> rk3288-evb-rk808.dtb \
> diff --git a/arch/arm/boot/dts/rk3036-sdk.dts
> b/arch/arm/boot/dts/rk3036-sdk.dts new file mode 100644
> index 0000000..0149c9a
> --- /dev/null
> +++ b/arch/arm/boot/dts/rk3036-sdk.dts
> @@ -0,0 +1,362 @@
> +/*
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + * a) This file is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of the
> + * License, or (at your option) any later version.
> + *
> + * This file is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * Or, alternatively,
> + *
> + * b) Permission is hereby granted, free of charge, to any person
> + * obtaining a copy of this software and associated documentation
> + * files (the "Software"), to deal in the Software without
> + * restriction, including without limitation the rights to use,
> + * copy, modify, merge, publish, distribute, sublicense, and/or
> + * sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following
> + * conditions:
> + *
> + * The above copyright notice and this permission notice shall be
> + * included in all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + * OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include <dt-bindings/clock/rk3036-cru.h>
> +#include "skeleton.dtsi"
> +
> +/ {
> + compatible = "rockchip,rk3036";
> +
> + interrupt-parent = <&gic>;
> +
> + aliases {
> + serial0 = &uart0;
> + serial1 = &uart1;
> + serial2 = &uart2;
> + };
> +
> + memory {
> + reg = <0x60000000 0x40000000>;
missing
device_type = "memory";
> + };
> +
> + arm-pmu {
> + compatible = "arm,cortex-a7-pmu";
> + interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
missing interrupt-affinity to map irq->cpu_core ?
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + //enable-method = "rockchip,rk3066-smp";
please don't leave commented code around
> +
> + cpu@f00 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a7";
> + reg = <0xf00>;
> + operating-points = <
> + /* KHz uV */
> + 816000 1000000
> + >;
> + #cooling-cells = <2>; /* min followed by max */
> + clock-latency = <40000>;
> + clocks = <&cru ARMCLK>;
> + resets = <&cru SRST_CORE0>;
> + };
> + cpu@f01 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a7";
> + reg = <0xf01>;
> + resets = <&cru SRST_CORE1>;
> + };
> + };
> +
> + amba {
> + compatible = "arm,amba-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + pdma: pdma@...78000 {
> + compatible = "arm,pl330", "arm,primecell";
> + reg = <0x20078000 0x4000>;
> + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
> + #dma-cells = <1>;
> + clocks = <&cru ACLK_DMAC2>;
> + clock-names = "apb_pclk";
> + };
indentation of the dma controller looks wrong
> + };
> +
> + xin24m: oscillator {
> + compatible = "fixed-clock";
> + clock-frequency = <24000000>;
> + clock-output-names = "xin24m";
> + #clock-cells = <0>;
> + };
> +
> + timer {
> + compatible = "arm,armv7-timer";
> + arm,cpu-registers-not-fw-configured;
> + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_HIGH)>,
> + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_HIGH)>;
please provide all 4 irqs (secure, non-secure, virtual and hypervisor)
> + clock-frequency = <24000000>;
> + always-on;
> + };
> +
> + cru: clock-controller@...00000 {
> + compatible = "rockchip,rk3036-cru";
> + reg = <0x20000000 0x1000>;
> + rockchip,grf = <&grf>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + assigned-clocks = <&cru PLL_GPLL>;
> + assigned-clock-rates = <594000000>;
> + };
> +
> + uart0: serial@...60000 {
> + compatible = "rockchip,rk3036-uart", "snps,dw-apb-uart";
> + reg = <0x20060000 0x100>;
> + interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + clock-frequency = <24000000>;
> + clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;
> + clock-names = "baudclk", "apb_pclk";
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
> + };
> +
> + uart1: serial@...64000 {
> + compatible = "rockchip,rk3036-uart", "snps,dw-apb-uart";
> + reg = <0x20064000 0x100>;
> + interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + clock-frequency = <24000000>;
> + clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
> + clock-names = "baudclk", "apb_pclk";
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart1_xfer>;
> + };
> +
> + uart2: serial@...68000 {
> + compatible = "rockchip,rk3036-uart", "snps,dw-apb-uart";
> + reg = <0x20068000 0x100>;
> + interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + clock-frequency = <24000000>;
> + clocks = <&cru SCLK_UART2>, <&cru PCLK_UART2>;
> + clock-names = "baudclk", "apb_pclk";
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart2_xfer>;
> + };
> +
> + pwm0: pwm@...50000 {
> + compatible = "rockchip,rk2928-pwm";
> + reg = <0x20050000 0x10>;
> + #pwm-cells = <3>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwm0_pin>;
> + clocks = <&cru PCLK_PWM>;
> + clock-names = "pwm";
> + status = "disabled";
> + };
> +
> + pwm1: pwm@...50010 {
> + compatible = "rockchip,rk2928-pwm";
> + reg = <0x20050010 0x10>;
> + #pwm-cells = <3>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwm1_pin>;
> + clocks = <&cru PCLK_PWM>;
> + clock-names = "pwm";
> + status = "disabled";
> + };
> +
> + pwm2: pwm@...50020 {
> + compatible = "rockchip,rk2928-pwm";
> + reg = <0x20050020 0x10>;
> + #pwm-cells = <3>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwm2_pin>;
> + clocks = <&cru PCLK_PWM>;
> + clock-names = "pwm";
> + status = "disabled";
> + };
> +
> + pwm3: pwm@...50030 {
> + compatible = "rockchip,rk2928-pwm";
> + reg = <0x20050030 0x10>;
> + #pwm-cells = <2>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwm3_pin>;
> + clocks = <&cru PCLK_PWM>;
> + clock-names = "pwm";
> + status = "disabled";
> + };
> +
> + sram@...80000 {
> + compatible = "mmio-sram";
> + reg = <0x10080000 0x2000>;
> + map-exec;
> + };
> +
> + gic: interrupt-controller@...39000 {
> + compatible = "arm,gic-400";
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + #address-cells = <0>;
> +
> + reg = <0x10139000 0x1000>,
> + <0x1013a000 0x1000>;
please also provide the vgic registers and interrupt
> + };
> +
> + grf: syscon@...08000 {
> + compatible = "rockchip,rk3036-grf", "syscon";
> + reg = <0x20008000 0x1000>;
> + };
> +
> + pinctrl: pinctrl {
> + compatible = "rockchip,rk3036-pinctrl";
> + rockchip,grf = <&grf>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + gpio0: gpio0@...7c000 {
> + compatible = "rockchip,gpio-bank";
> + reg = <0x2007c000 0x100>;
please use a space after the "=" in "reg = <..."
> + interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru PCLK_GPIO0>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + gpio1: gpio1@...80000 {
> + compatible = "rockchip,gpio-bank";
> + reg = <0x20080000 0x100>;
> + interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru PCLK_GPIO1>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + gpio2: gpio2@...84000 {
> + compatible = "rockchip,gpio-bank";
> + reg = <0x20084000 0x100>;
> + interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru PCLK_GPIO2>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + pcfg_pull_up: pcfg-pull-up {
> + bias-pull-up;
> + };
> +
> + pcfg_pull_down: pcfg-pull-down {
> + bias-pull-down;
> + };
> +
> + pcfg_pull_none: pcfg-pull-none {
> + bias-disable;
> + };
> +
> + pcfg_pull_none_12ma: pcfg-pull-none-12ma {
> + bias-disable;
> + drive-strength = <12>;
> + };
The rk3036 iomux does not have a per-pin drive-strength setting it seems, so
at the moment the pinctrl driver does not support changing the drive-strength,
so this node should probably be dropped. It seems unused anyway.
> +
> + uart0 {
> + uart0_xfer: uart0-xfer {
> + rockchip,pins = <0 16 RK_FUNC_1 &pcfg_pull_none>,
> + <0 17 RK_FUNC_1 &pcfg_pull_none>;
> + };
> +
> + uart0_cts: uart0-cts {
> + rockchip,pins = <0 18 RK_FUNC_1 &pcfg_pull_none>;
> + };
> +
> + uart0_rts: uart0-rts {
> + rockchip,pins = <0 19 RK_FUNC_1 &pcfg_pull_none>;
> + };
> + };
> +
> + uart1 {
> + uart1_xfer: uart1-xfer {
> + rockchip,pins = <2 22 RK_FUNC_1 &pcfg_pull_none>,
> + <2 23 RK_FUNC_1 &pcfg_pull_none>;
> + };
> + /* no rts / cts for uart1 */
> + };
> +
> + uart2 {
> + uart2_xfer: uart2-xfer {
> + rockchip,pins = <1 18 RK_FUNC_2
> &pcfg_pull_none>, + <1 19
> RK_FUNC_2 &pcfg_pull_none>; + };
> + /* no rts / cts for uart2 */
> + };
> +
> + pwm0 {
> + pwm0_pin: pwm0-pin {
> + rockchip,pins = <0 0 RK_FUNC_2 &pcfg_pull_none>;
> + };
> + };
> +
> + pwm1 {
> + pwm1_pin: pwm1-pin {
> + rockchip,pins = <0 1 RK_FUNC_2 &pcfg_pull_none>;
> + };
> + };
> +
> + pwm2 {
> + pwm2_pin: pwm2-pin {
> + rockchip,pins = <0 1 2 &pcfg_pull_none>;
> + };
> + };
> +
> + pwm3 {
> + pwm3_pin: pwm3-pin {
> + rockchip,pins = <0 27 1 &pcfg_pull_none>;
> + };
> + };
> + };
> +};
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