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

From: Xing Zheng
Date: Wed Sep 23 2015 - 22:20:43 EST


On 2015å09æ17æ 17:18, Heiko StÃbner 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@xxxxxxxxxxxxxx>
---

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@xxxxxxxxxxxxxx>
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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