Re: [PATCH v2 1/9] ARM: dts: rockchip: add core rk3036 dts

[Xing Zheng <zhengxing-TNX95d0MmH7DzftRWevZcw@public.gmane.org>]

On 2015年09月17日 17:18, Heiko Stübner wrote:
> Am Donnerstag, 17. September 2015, 16:28:52 schrieb Xing Zheng:
>> Initial release for rk3036, node definitions rk3036 sdk board.
>>
>> Signed-off-by: Xing Zheng<zhengxing@rock-chips.com>
>> ---
>>
>> Changes in v2: None
>>
>>   arch/arm/boot/dts/Makefile       |    1 +
>>   arch/arm/boot/dts/rk3036-sdk.dts |   62 +++++++
>>   arch/arm/boot/dts/rk3036.dtsi    |  381
>> ++++++++++++++++++++++++++++++++++++++ 3 files changed, 444 insertions(+)
>>   create mode 100644 arch/arm/boot/dts/rk3036-sdk.dts
>>   create mode 100644 arch/arm/boot/dts/rk3036.dtsi
>>
>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> index d39ce4b..48260c4 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -502,6 +502,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += \
>>   	rk3066a-bqcurie2.dtb \
>>   	rk3066a-marsboard.dtb \
>>   	rk3066a-rayeager.dtb \
>> +	rk3036-sdk.dtb \
> ordering ... please put the rk3036 above rk3066 boards
Done.
>
>>   	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..9187f93
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/rk3036-sdk.dts
> or "rk3036-evb.dts"? What is the actual board named?
Done, use rk3036-evb.dts
>> @@ -0,0 +1,62 @@
>> +/*
>> + * Copyright (c)  2015 Xing Zheng<zhengxing@rock-chips.com>
> this probably wants a Rockchip copyright notice?
Yes, remove this notice.
>> + *
>> + * 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 "rk3036.dtsi"
>> +
>> +/ {
>> +	model = "SDK-RK3036";
>> +	compatible = "sdk,sdk-rk3036", "rockchip,rk3036";
> 	model = "Rockchip RK3036-SDK";
> 	compatible = "rockchip,rk3036-sdk", "rockchip,rk3036";
>
> or
>
> 	model = "Rockchip RK3036 Evaluation board";
> 	compatible = "rockchip,rk3036-evb", "rockchip,rk3036";
>
> depending on what the real board is labeled
Done.
>> +};
>> +
>> +&i2c1 {
>> +	status = "okay";
>> +
>> +        hym8563: hym8563@51 {
>> +		compatible = "haoyu,hym8563";
>> +		reg =<0x51>;
>> +		#clock-cells =<0>;
>> +		clock-frequency =<32768>;
>> +		clock-output-names = "xin32k";
>> +	};
>> +};
>> \ No newline at end of file
> missing newline as stated above
Done.
>> diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi
>> new file mode 100644
>> index 0000000..b7459c0
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/rk3036.dtsi
>> @@ -0,0 +1,381 @@
>> +/*
>> + * 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/pinctrl/rockchip.h>
>> +#include<dt-bindings/clock/rk3036-cru.h>
>> +#include "skeleton.dtsi"
> in general, please sort nodes by register address, so for example
>
> 	interrupt-controller@10139000
> should be before
> 	clock-controller@20000000
>
> same for all other nodes
Done.
>> +
>> +/ {
>> +	compatible = "rockchip,rk3036";
>> +
>> +	interrupt-parent =<&gic>;
>> +
>> +	aliases {
>> +		i2c1 =&i2c1;
>> +		serial0 =&uart0;
>> +		serial1 =&uart1;
>> +		serial2 =&uart2;
>> +	};
>> +
>> +	memory {
>> +		device_type = "memory";
>> +		reg =<0x60000000 0x40000000>;
> ordering is possible ... to ease readability I try to keep this as
>
> compatible = ...
> reg = ...
> [other properties sorted alphabetically]
> status = ...
Done.
>> +	};
>> +
>> +        arm-pmu {
>> +                compatible = "arm,cortex-a7-pmu";
>> +                interrupts =<GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
>> +<GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
>> +                interrupt-affinity =<&cpu0>,<&cpu1>;
>> +        };
> tabs, not spaces please
Done.
>> +
>> +	cpus {
>> +		#address-cells =<1>;
>> +		#size-cells =<0>;
>> +		enable-method = "rockchip,rk3036-smp";
> this enable method is not yet defined, please don't add it until actual smp is
> accepted
Done, removed it on this patch.
>> +
>> +		cpu0: cpu@f00 {
>> +			device_type = "cpu";
>> +			compatible = "arm,cortex-a7";
>> +			reg =<0xf00>;
>> +			operating-points =<
>> +				/* KHz    uV */
>> +				 816000 1000000
>> +			>;
>> +			#cooling-cells =<2>; /* min followed by max */
> again, not yet defined thermal handling, so the #cooling-cells should stay out
> for now
Done, removed it.
>> +			clock-latency =<40000>;
>> +			clocks =<&cru ARMCLK>;
>> +			resets =<&cru SRST_CORE0>;
>> +		};
>> +		cpu1: 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@20078000 {
>> +                        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";
>> +                };
> again tabs please
Done.
>> +	};
>> +
>> +	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)>, +	
> 		
>>     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, +			
>> <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
>> +		clock-frequency =<24000000>;
>> +	};
>> +
>> +	cru: clock-controller@20000000 {
>> +		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@20060000 {
>> +		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>;
> status = "disabled" and then in the board.dts a
>
> &uart0 {
> 	status = "okay";
> };
>
> not everybody will want to use uart0 ... same is true for the other two uarts.
Done.
>> +	};
>> +
>> +	uart1: serial@20064000 {
>> +		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@20068000 {
>> +		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@20050000 {
>> +		compatible = "rockchip,rk2928-pwm";
> 		compatible = "rockchip,rk3036-pwm", "rockchip,rk2928-pwm";
>
> rk2928-pwm matches now, but if we find issues we can simply create the rk3036-
> pwm in the driver without needing to change the dts
Done.
>> +		reg =<0x20050000 0x10>;
>> +		#pwm-cells =<3>;
>> +		pinctrl-names = "default";
>> +		pinctrl-0 =<&pwm0_pin>;
>> +		clocks =<&cru PCLK_PWM>;
>> +		clock-names = "pwm";
>> +		status = "disabled";
>> +	};
>> +
>> +	pwm1: pwm@20050010 {
>> +		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@20050020 {
>> +		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@20050030 {
>> +		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: sram@10080000 {
>> +		compatible = "rockchip,rk3036-smp-sram", "mmio-sram";
>> +		reg =<0x10080000 0x2000>;
>> +	};
>> +
>> +	gic: interrupt-controller@10139000 {
>> +		compatible = "arm,gic-400";
>> +		interrupt-controller;
>> +		#interrupt-cells =<3>;
>> +		#address-cells =<0>;
>> +
>> +		reg =<0x10139000 0x1000>,
>> +		<0x1013a000 0x1000>,
>> +		<0x1013c000 0x2000>,
>> +		<0x1013e000 0x2000>;
>> +		interrupts =<GIC_PPI 9 0xf04>;
>> +	};
>> +
>> +	grf: syscon@20008000 {
>> +		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@2007c000 {
>> +			compatible = "rockchip,gpio-bank";
>> +			reg =<0x2007c000 0x100>;
>> +			interrupts =<GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
>> +			clocks =<&cru PCLK_GPIO0>;
>> +
>> +			gpio-controller;
>> +			#gpio-cells =<2>;
>> +
>> +			interrupt-controller;
>> +			#interrupt-cells =<2>;
>> +		};
>> +
>> +		gpio1: gpio1@20080000 {
>> +			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@20084000 {
>> +			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;
>> +		};
>> +
>> +		uart0 {
>> +			uart0_xfer: uart0-xfer {
>> +				rockchip,pins =<0 16 RK_FUNC_1&pcfg_pull_none>,
> pcfg_pull_up for the rx-pin?
Done
>> +						<0 17 RK_FUNC_1&pcfg_pull_none>;
>> +			};
>> +
>> +			uart0_cts: uart0-cts {
>> +				rockchip,pins =<0 18 RK_FUNC_1&pcfg_pull_none>;
>> +			};
> pcfg_pull_up again?
> see ARM: dts: rockchip: pull up cts lines on rk3288
> (https://lkml.org/lkml/2015/9/2/612) for comparison
Yes, they should be pull up.
>
>> +
>> +			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 */
>> +                };
> tabs please
Sorry, done.
>> +
>> +		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>;
>> +			};
>> +		};
>> +
>> +		i2c1 {
>> +			i2c1_xfer: i2c1-xfer {
>> +				rockchip,pins =<0 2 RK_FUNC_1&pcfg_pull_none>,
>> +						<0 3 RK_FUNC_1&pcfg_pull_none>;
>> +			};
>> +		};
>> +	};
>> +
>> +	i2c1: i2c@20056000 {
>> +		compatible = "rockchip,rk3288-i2c";
>> +		reg =<0x20056000 0x1000>;
>> +		interrupts =<GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
>> +		#address-cells =<1>;
>> +		#size-cells =<0>;
>> +		clock-names = "i2c";
>> +		clocks =<&cru PCLK_I2C1>;
>> +		pinctrl-names = "default";
>> +		pinctrl-0 =<&i2c1_xfer>;
>> +		status = "disabled";
>> +	};
>> +};
>
Thanks.



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