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Message-ID: <0516ad0b-bfbe-ec80-fdb6-e118dab3e758@rock-chips.com>
Date: Tue, 8 Nov 2016 20:31:55 +0800
From: Andy Yan <andy.yan@...k-chips.com>
To: Heiko Stuebner <heiko@...ech.de>
Cc: elaine.zhang@...k-chips.com, mturquette@...libre.com,
linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk,
linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/6] ARM: dts: add basic support for Rockchip RK1108 SOC
Hi Heiko:
On 2016年11月04日 16:00, Heiko Stuebner wrote:
> Am Donnerstag, 3. November 2016, 20:40:48 CET schrieb Andy Yan:
>> RK1108 is embedded with an ARM Cortex-A7 single core and a DSP core.
>> It is designed for varies application scenario such as car DVR, sports
>> DV, secure camera and UAV camera.
>>
>> This patch add basic support for it with DMAC / UART / CRU / pinctrl
>> enabled.
>>
>> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
>> ---
>>
>> arch/arm/boot/dts/rk1108.dtsi | 420
>> ++++++++++++++++++++++++++++++++++++++ arch/arm/mach-rockchip/rockchip.c |
>> 1 +
>> 2 files changed, 421 insertions(+)
>> create mode 100644 arch/arm/boot/dts/rk1108.dtsi
>>
>> diff --git a/arch/arm/boot/dts/rk1108.dtsi b/arch/arm/boot/dts/rk1108.dtsi
>> new file mode 100644
>> index 0000000..9dccfea
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/rk1108.dtsi
>> @@ -0,0 +1,420 @@
>> +/*
>> + * 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.
>> + */
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/interrupt-controller/irq.h>
>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/clock/rk1108-cru.h>
>> +#include <dt-bindings/pinctrl/rockchip.h>
>> +/ {
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> +
>> + compatible = "rockchip,rk1108";
>> +
>> + interrupt-parent = <&gic>;
>> +
>> + aliases {
>> + serial0 = &uart0;
>> + serial1 = &uart1;
>> + serial2 = &uart2;
>> + };
>> +
>> + cpus {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + cpu0: cpu@f00 {
>> + device_type = "cpu";
>> + compatible = "arm,cortex-a7";
>> + reg = <0xf00>;
>> + };
>> +
> unnecessary empty line
Okay, I will remove it.
>> + };
>> +
>> + amba {
>> + compatible = "simple-bus";
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + ranges;
>> +
>> + pdma: pdma@...a0000 {
>> + compatible = "arm,pl330", "arm,primecell";
>> + reg = <0x102a0000 0x4000>;
>> + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
>> + #dma-cells = <1>;
>> + arm,pl330-broken-no-flushp;
>> + clocks = <&cru ACLK_DMAC>;
>> + clock-names = "apb_pclk";
>> + };
>> + };
>> +
>> + arm-pmu {
>> + compatible = "arm,cortex-a7-pmu";
>> + interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
>> + };
>> +
>> +
>> + timer {
>> + compatible = "arm,armv7-timer";
>> + 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)>;
> CPU_MASK_SIMPLE(4)? You only have one core, not 4.
>
>
>> + clock-frequency = <24000000>;
>> + };
>> +
>> + xin24m: oscillator {
>> + compatible = "fixed-clock";
>> + clock-frequency = <24000000>;
>> + clock-output-names = "xin24m";
>> + #clock-cells = <0>;
>> + };
>> +
>> + bus_intmem@...80000 {
>> + compatible = "mmio-sram";
>> + reg = <0x10080000 0x2000>;
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + ranges = <0 0x10080000 0x2000>;
>> + };
>> +
>> + grf: syscon@...00000 {
>> + compatible = "rockchip,rk1108-grf", "syscon";
>> + reg = <0x10300000 0x1000>;
>> + };
>> +
>> + emmc: dwmmc@...10000 {
>> + compatible = "rockchip,rk1108-dw-mshc", "rockchip,rk3288-dw-mshc";
>> + clock-freq-min-max = <400000 150000000>;
>> + clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
>> + <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
>> + clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
>> + fifo-depth = <0x100>;
>> + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
>> + reg = <0x30110000 0x4000>;
>> + status = "disabled";
>> + };
>> +
>> + sdio: dwmmc@...20000 {
>> + compatible = "rockchip,rk1108-dw-mshc", "rockchip,rk3288-dw-mshc";
>> + clock-freq-min-max = <400000 150000000>;
>> + clocks = <&cru HCLK_SDIO>, <&cru SCLK_SDIO>,
>> + <&cru SCLK_SDIO_DRV>, <&cru SCLK_SDIO_SAMPLE>;
>> + clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
>> + fifo-depth = <0x100>;
>> + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
>> + reg = <0x30120000 0x4000>;
>> + status = "disabled";
>> + };
>> +
>> + sdmmc: dwmmc@...30000 {
> ordering by register address please (uart2 before sdmmc etc; same for
> everything else)
>
>
>> + compatible = "rockchip,rk1108-dw-mshc", "rockchip,rk3288-dw-mshc";
>> + clock-freq-min-max = <400000 100000000>;
>> + clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
>> + <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
>> + clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
>> + fifo-depth = <0x100>;
>> + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
>> + reg = <0x30130000 0x4000>;
>> + status = "disabled";
>> + };
>> +
>> + uart2: serial@...10000 {
>> + compatible = "rockchip,rk1108-uart", "snps,dw-apb-uart";
>> + reg = <0x10210000 0x100>;
>> + interrupts = <GIC_SPI 46 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 = <&uart2m0_xfer>;
>> + status = "disabled";
>> + };
>> +
>> + uart1: serial@...20000 {
>> + compatible = "rockchip,rk1108-uart", "snps,dw-apb-uart";
>> + reg = <0x10220000 0x100>;
>> + interrupts = <GIC_SPI 45 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>;
>> + status = "disabled";
>> + };
>> +
>> + uart0: serial@...30000 {
>> + compatible = "rockchip,rk1108-uart", "snps,dw-apb-uart";
>> + reg = <0x10230000 0x100>;
>> + interrupts = <GIC_SPI 44 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>;
>> + status = "disabled";
>> + };
>> +
>> + cru: clock-controller@...00000 {
>> + compatible = "rockchip,rk1108-cru";
>> + reg = <0x20200000 0x1000>;
>> + rockchip,grf = <&grf>;
>> + #clock-cells = <1>;
>> + #reset-cells = <1>;
>> + };
>> +
>> + gic: interrupt-controller@...10000 {
>> + compatible = "arm,cortex-a15-gic";
> compatible = "arm,gic-400"; ?
>
>> + interrupt-controller;
>> + #interrupt-cells = <3>;
>> + #address-cells = <0>;
>> +
>> + reg = <0x32011000 0x1000>,
>> + <0x32012000 0x1000>;
> please provide all 4 register areas and also the interrupt (
I only found 2 register areas in our rockchip linux 3.10 source
code. And haven't found the interrupt. From the arm,gic bindings, the
interrupt property is optional. So am not sure if we
really need it here.
>
>> + };
>> +
> [...]
>
>> diff --git a/arch/arm/mach-rockchip/rockchip.c
>> b/arch/arm/mach-rockchip/rockchip.c index a7ab9ec..e7fdf06 100644
>> --- a/arch/arm/mach-rockchip/rockchip.c
>> +++ b/arch/arm/mach-rockchip/rockchip.c
>> @@ -76,6 +76,7 @@ static void __init rockchip_dt_init(void)
>> }
>>
>> static const char * const rockchip_board_dt_compat[] = {
>> + "rockchip,rk1108",
>> "rockchip,rk2928",
>> "rockchip,rk3066a",
>> "rockchip,rk3066b",
> please split this into a separate patch, as code and dts changes need to go
> through different branches.
>
>
> Thanks
> Heiko
>
>
>
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