Re: [PATCH 1/2] MIPS: Ingenic: Add missing nodes for Ingenic SoCs and boards.

From: H. Nikolaus Schaller
Date: Sun Nov 08 2020 - 09:37:20 EST

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In reply to: Zhou Yanjie: "Re: [PATCH 1/2] MIPS: Ingenic: Add missing nodes for Ingenic SoCs and boards."
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> Am 08.11.2020 um 13:46 schrieb Zhou Yanjie <zhouyanjie@xxxxxxxxxxxxxx>:
>
> Hello Nikolaus,
>
> On 2020/11/8 上午3:03, H. Nikolaus Schaller wrote:
>>> Am 07.11.2020 um 12:52 schrieb 周琰杰 (Zhou Yanjie) <zhouyanjie@xxxxxxxxxxxxxx>:
>>>
>>> 1.Add OTG/OTG PHY/RNG nodes for JZ4780, CGU/OTG nodes for CI20.
>>> 2.Add OTG/OTG PHY/RNG/OST nodes for X1000, SSI/CGU/OST/OTG/SC16IS752
>>> nodes for CU1000-Neo.
>>> 3.Add OTG/OTG PHY/DTRNG/OST nodes for X1830, SSI/CGU/OST/OTG/SC16IS752
>>> nodes for CU1830-Neo.
>>>
>>> Tested-by: 周正 (Zhou Zheng) <sernia.zhou@xxxxxxxxxxx>
>> Comments below for CI20 / jz4780 only.
>>
>> I tried to test on top of my v5.10 working tree but the CI20 does not boot any more.
>> Maybe the SMP hacks are in the way and I have to remove them first or try on top
>> of v5.9.y
>
>
> SMP is not available on the mainline now, so the previous SMP patch needs to be removed.

I have tried with CONFIG_SMP disabled and now I can boot my v5.10-rc2 (plus local patches).
And can confirm that the OTG port works.

(BTW: dm9000 defers probing forever but that is an unrelated issue).

> The new SMP patch will take some time because it needs to ensure support for the new X2000 processor.

Ok, I see. It is a little sad since it works find until 5.9 but now is broken and means we
have to test v5.10ff with only one processor. Any hints what should be hacked to make it
work until a final solution becomes available in upstream?

>
>
> Thanks and best regards!

If you like you can add my

Tested by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> # CI20/jz4780

to this patch.

>
>
>>
>>> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@xxxxxxxxxxxxxx>
>>> ---
>>> arch/mips/boot/dts/ingenic/ci20.dts | 16 +++++++++
>>> arch/mips/boot/dts/ingenic/cu1000-neo.dts | 60 +++++++++++++++++++++++++++----
>>> arch/mips/boot/dts/ingenic/cu1830-neo.dts | 60 +++++++++++++++++++++++++++----
>>> arch/mips/boot/dts/ingenic/jz4780.dtsi | 41 +++++++++++++++++++--
>>> arch/mips/boot/dts/ingenic/x1000.dtsi | 52 ++++++++++++++++++++++++++-
>>> arch/mips/boot/dts/ingenic/x1830.dtsi | 54 +++++++++++++++++++++++++++-
>>> 6 files changed, 267 insertions(+), 16 deletions(-)
>>>
>>> diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
>>> index 75f5bfbf2c37..b31054a41754 100644
>>> --- a/arch/mips/boot/dts/ingenic/ci20.dts
>>> +++ b/arch/mips/boot/dts/ingenic/ci20.dts
>>> @@ -93,6 +93,15 @@
>>> clock-frequency = <48000000>;
>>> };
>>>
>>> +&cgu {
>>> + /*
>>> + * Use the 32.768 kHz oscillator as the parent of the RTC for a higher
>>> + * precision.
>>> + */
>>> + assigned-clocks = <&cgu JZ4780_CLK_RTC>;
>>> + assigned-clock-parents = <&cgu JZ4780_CLK_RTCLK>;
>>> +};
>>> +
>> ok
>>
>>> &mmc0 {
>>> status = "okay";
>>>
>>> @@ -396,6 +405,13 @@
>>> status = "okay";
>>> };
>>>
>>> +&otg {
>>> + status = "okay";
>>> +
>>> + assigned-clocks = <&cgu JZ4780_CLK_OTGPHY>;
>>> + assigned-clock-rates = <48000000>;
>>> +};
>>> +
>> ok
>>
>>> &pinctrl {
>>> pins_uart0: uart0 {
>>> function = "uart0";
>>> diff --git a/arch/mips/boot/dts/ingenic/cu1000-neo.dts b/arch/mips/boot/dts/ingenic/cu1000-neo.dts
>>> index 22a1066d637b..44d47d12db12 100644
>>> --- a/arch/mips/boot/dts/ingenic/cu1000-neo.dts
>>> +++ b/arch/mips/boot/dts/ingenic/cu1000-neo.dts
>>> @@ -3,7 +3,7 @@
>>>
>>> #include "x1000.dtsi"
>>> #include <dt-bindings/gpio/gpio.h>
>>> -#include <dt-bindings/clock/ingenic,tcu.h>
>>> +#include <dt-bindings/clock/ingenic,sysost.h>
>>> #include <dt-bindings/interrupt-controller/irq.h>
>>>
>>> / {
>>> @@ -31,6 +31,18 @@
>>> };
>>> };
>>>
>>> + ssi: spi-gpio {
>>> + compatible = "spi-gpio";
>>> + #address-cells = <1>;
>>> + #size-cells = <0>;
>>> + num-chipselects = <1>;
>>> +
>>> + mosi-gpios = <&gpd 2 GPIO_ACTIVE_HIGH>;
>>> + miso-gpios = <&gpd 3 GPIO_ACTIVE_HIGH>;
>>> + sck-gpios = <&gpd 0 GPIO_ACTIVE_HIGH>;
>>> + cs-gpios = <&gpd 1 GPIO_ACTIVE_HIGH>;
>>> + };
>>> +
>>> wlan_pwrseq: msc1-pwrseq {
>>> compatible = "mmc-pwrseq-simple";
>>>
>>> @@ -43,13 +55,19 @@
>>> clock-frequency = <24000000>;
>>> };
>>>
>>> -&tcu {
>>> +&cgu {
>>> + /*
>>> + * Use the 32.768 kHz oscillator as the parent of the RTC for a higher
>>> + * precision.
>>> + */
>>> + assigned-clocks = <&cgu X1000_CLK_RTC>;
>>> + assigned-clock-parents = <&cgu X1000_CLK_RTCLK>;
>>> +};
>>> +
>>> +&ost {
>>> /* 1500 kHz for the system timer and clocksource */
>>> - assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>;
>>> + assigned-clocks = <&ost OST_CLK_PERCPU_TIMER>, <&ost OST_CLK_GLOBAL_TIMER>;
>>> assigned-clock-rates = <1500000>, <1500000>;
>>> -
>>> - /* Use channel #0 for the system timer channel #2 for the clocksource */
>>> - ingenic,pwm-channels-mask = <0xfa>;
>>> };
>>>
>>> &uart2 {
>>> @@ -59,6 +77,32 @@
>>> pinctrl-0 = <&pins_uart2>;
>>> };
>>>
>>> +&ssi {
>>> + status = "okay";
>>> +
>>> + spi-max-frequency = <50000000>;
>>> +
>>> + sc16is752: expander@0 {
>>> + compatible = "nxp,sc16is752";
>>> + reg = <0>; /* CE0 */
>>> + spi-max-frequency = <4000000>;
>>> +
>>> + clocks = <&exclk_sc16is752>;
>>> +
>>> + interrupt-parent = <&gpc>;
>>> + interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
>>> +
>>> + gpio-controller;
>>> + #gpio-cells = <2>;
>>> +
>>> + exclk_sc16is752: sc16is752 {
>>> + compatible = "fixed-clock";
>>> + #clock-cells = <0>;
>>> + clock-frequency = <48000000>;
>>> + };
>>> + };
>>> +};
>>> +
>>> &i2c0 {
>>> status = "okay";
>>>
>>> @@ -135,6 +179,10 @@
>>> };
>>> };
>>>
>>> +&otg {
>>> + status = "okay";
>>> +};
>>> +
>>> &pinctrl {
>>> pins_uart2: uart2 {
>>> function = "uart2";
>>> diff --git a/arch/mips/boot/dts/ingenic/cu1830-neo.dts b/arch/mips/boot/dts/ingenic/cu1830-neo.dts
>>> index 640f96c00d63..7a56e344e429 100644
>>> --- a/arch/mips/boot/dts/ingenic/cu1830-neo.dts
>>> +++ b/arch/mips/boot/dts/ingenic/cu1830-neo.dts
>>> @@ -3,7 +3,7 @@
>>>
>>> #include "x1830.dtsi"
>>> #include <dt-bindings/gpio/gpio.h>
>>> -#include <dt-bindings/clock/ingenic,tcu.h>
>>> +#include <dt-bindings/clock/ingenic,sysost.h>
>>> #include <dt-bindings/interrupt-controller/irq.h>
>>>
>>> / {
>>> @@ -31,6 +31,18 @@
>>> };
>>> };
>>>
>>> + ssi0: spi-gpio {
>>> + compatible = "spi-gpio";
>>> + #address-cells = <1>;
>>> + #size-cells = <0>;
>>> + num-chipselects = <1>;
>>> +
>>> + mosi-gpios = <&gpc 12 GPIO_ACTIVE_HIGH>;
>>> + miso-gpios = <&gpc 11 GPIO_ACTIVE_HIGH>;
>>> + sck-gpios = <&gpc 15 GPIO_ACTIVE_HIGH>;
>>> + cs-gpios = <&gpc 16 GPIO_ACTIVE_HIGH>;
>>> + };
>>> +
>>> wlan_pwrseq: msc1-pwrseq {
>>> compatible = "mmc-pwrseq-simple";
>>>
>>> @@ -43,13 +55,19 @@
>>> clock-frequency = <24000000>;
>>> };
>>>
>>> -&tcu {
>>> +&cgu {
>>> + /*
>>> + * Use the 32.768 kHz oscillator as the parent of the RTC for a higher
>>> + * precision.
>>> + */
>>> + assigned-clocks = <&cgu X1830_CLK_RTC>;
>>> + assigned-clock-parents = <&cgu X1830_CLK_RTCLK>;
>>> +};
>>> +
>>> +&ost {
>>> /* 1500 kHz for the system timer and clocksource */
>>> - assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>;
>>> + assigned-clocks = <&ost OST_CLK_PERCPU_TIMER>, <&ost OST_CLK_GLOBAL_TIMER>;
>>> assigned-clock-rates = <1500000>, <1500000>;
>>> -
>>> - /* Use channel #0 for the system timer channel #2 for the clocksource */
>>> - ingenic,pwm-channels-mask = <0xfa>;
>>> };
>>>
>>> &uart1 {
>>> @@ -59,6 +77,32 @@
>>> pinctrl-0 = <&pins_uart1>;
>>> };
>>>
>>> +&ssi0 {
>>> + status = "okay";
>>> +
>>> + spi-max-frequency = <50000000>;
>>> +
>>> + sc16is752: expander@0 {
>>> + compatible = "nxp,sc16is752";
>>> + reg = <0>; /* CE0 */
>>> + spi-max-frequency = <4000000>;
>>> +
>>> + clocks = <&exclk_sc16is752>;
>>> +
>>> + interrupt-parent = <&gpb>;
>>> + interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
>>> +
>>> + gpio-controller;
>>> + #gpio-cells = <2>;
>>> +
>>> + exclk_sc16is752: sc16is752 {
>>> + compatible = "fixed-clock";
>>> + #clock-cells = <0>;
>>> + clock-frequency = <48000000>;
>>> + };
>>> + };
>>> +};
>>> +
>>> &i2c0 {
>>> status = "okay";
>>>
>>> @@ -135,6 +179,10 @@
>>> };
>>> };
>>>
>>> +&otg {
>>> + status = "okay";
>>> +};
>>> +
>>> &pinctrl {
>>> pins_uart1: uart1 {
>>> function = "uart1";
>>> diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
>>> index dfb5a7e1bb21..8837147e5a84 100644
>>> --- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
>>> +++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
>>> @@ -61,13 +61,30 @@
>>> };
>>>
>>> cgu: jz4780-cgu@10000000 {
>>> - compatible = "ingenic,jz4780-cgu";
>>> + compatible = "ingenic,jz4780-cgu", "simple-mfd";
>>> reg = <0x10000000 0x100>;
>>> + #address-cells = <1>;
>>> + #size-cells = <1>;
>>> + ranges = <0x0 0x10000000 0x100>;
>>> +
>>> + #clock-cells = <1>;
>>>
>>> clocks = <&ext>, <&rtc>;
>>> clock-names = "ext", "rtc";
>>>
>>> - #clock-cells = <1>;
>>> + otg_phy: usb-phy@3c {
>>> + compatible = "ingenic,jz4780-phy";
>>> + reg = <0x3c 0x10>;
>>> +
>>> + clocks = <&cgu JZ4780_CLK_OTG1>;
>>> +
>>> + #phy-cells = <0>;
>>> + };
>>> +
>>> + rng: rng@d8 {
>>> + compatible = "ingenic,jz4780-rng";
>>> + reg = <0xd8 0x8>;
>>> + };
>>> };
>>>
>>> tcu: timer@10002000 {
>>> @@ -494,4 +511,24 @@
>>>
>>> status = "disabled";
>>> };
>>> +
>>> + otg: usb@13500000 {
>>> + compatible = "ingenic,jz4780-otg", "snps,dwc2";
>>> + reg = <0x13500000 0x40000>;
>>> +
>>> + interrupt-parent = <&intc>;
>>> + interrupts = <21>;
>>> +
>>> + clocks = <&cgu JZ4780_CLK_UHC>;
>>> + clock-names = "otg";
>>> +
>>> + phys = <&otg_phy>;
>>> + phy-names = "usb2-phy";
>>> +
>>> + g-rx-fifo-size = <768>;
>> I had tested with 256 before and do not see a reason why 768 should not work as well.
>>
>>> + g-np-tx-fifo-size = <256>;
>>> + g-tx-fifo-size = <256 256 256 256 256 256 256 512>;
>>> +
>>> + status = "disabled";
>>> + };
>>> };
>>> diff --git a/arch/mips/boot/dts/ingenic/x1000.dtsi b/arch/mips/boot/dts/ingenic/x1000.dtsi
>>> index 1f1f896dd1f7..854fac58f45e 100644
>>> --- a/arch/mips/boot/dts/ingenic/x1000.dtsi
>>> +++ b/arch/mips/boot/dts/ingenic/x1000.dtsi
>>> @@ -52,13 +52,43 @@
>>> };
>>>
>>> cgu: x1000-cgu@10000000 {
>>> - compatible = "ingenic,x1000-cgu";
>>> + compatible = "ingenic,x1000-cgu", "simple-mfd";
>>> reg = <0x10000000 0x100>;
>>> + #address-cells = <1>;
>>> + #size-cells = <1>;
>>> + ranges = <0x0 0x10000000 0x100>;
>>>
>>> #clock-cells = <1>;
>>>
>>> clocks = <&exclk>, <&rtclk>;
>>> clock-names = "ext", "rtc";
>>> +
>>> + otg_phy: usb-phy@3c {
>>> + compatible = "ingenic,x1000-phy";
>>> + reg = <0x3c 0x10>;
>>> +
>>> + clocks = <&cgu X1000_CLK_OTGPHY>;
>>> +
>>> + #phy-cells = <0>;
>>> + };
>>> +
>>> + rng: rng@d8 {
>>> + compatible = "ingenic,x1000-rng";
>>> + reg = <0xd8 0x8>;
>>> + };
>>> + };
>>> +
>>> + ost: timer@12000000 {
>>> + compatible = "ingenic,x1000-ost";
>>> + reg = <0x12000000 0x3c>;
>>> +
>>> + #clock-cells = <1>;
>>> +
>>> + clocks = <&cgu X1000_CLK_OST>;
>>> + clock-names = "ost";
>>> +
>>> + interrupt-parent = <&cpuintc>;
>>> + interrupts = <3>;
>>> };
>>>
>>> tcu: timer@10002000 {
>>> @@ -323,4 +353,24 @@
>>> status = "disabled";
>>> };
>>> };
>>> +
>>> + otg: usb@13500000 {
>>> + compatible = "ingenic,x1000-otg", "snps,dwc2";
>>> + reg = <0x13500000 0x40000>;
>>> +
>>> + interrupt-parent = <&intc>;
>>> + interrupts = <21>;
>>> +
>>> + clocks = <&cgu X1000_CLK_OTG>;
>>> + clock-names = "otg";
>>> +
>>> + phys = <&otg_phy>;
>>> + phy-names = "usb2-phy";
>>> +
>>> + g-rx-fifo-size = <768>;
>>> + g-np-tx-fifo-size = <256>;
>>> + g-tx-fifo-size = <256 256 256 256 256 256 256 512>;
>>> +
>>> + status = "disabled";
>>> + };
>>> };
>>> diff --git a/arch/mips/boot/dts/ingenic/x1830.dtsi b/arch/mips/boot/dts/ingenic/x1830.dtsi
>>> index b05dac3ae308..4831350efdf2 100644
>>> --- a/arch/mips/boot/dts/ingenic/x1830.dtsi
>>> +++ b/arch/mips/boot/dts/ingenic/x1830.dtsi
>>> @@ -52,13 +52,38 @@
>>> };
>>>
>>> cgu: x1830-cgu@10000000 {
>>> - compatible = "ingenic,x1830-cgu";
>>> + compatible = "ingenic,x1830-cgu", "simple-mfd";
>>> reg = <0x10000000 0x100>;
>>> + #address-cells = <1>;
>>> + #size-cells = <1>;
>>> + ranges = <0x0 0x10000000 0x100>;
>>>
>>> #clock-cells = <1>;
>>>
>>> clocks = <&exclk>, <&rtclk>;
>>> clock-names = "ext", "rtc";
>>> +
>>> + otg_phy: usb-phy@3c {
>>> + compatible = "ingenic,x1830-phy";
>>> + reg = <0x3c 0x10>;
>>> +
>>> + clocks = <&cgu X1830_CLK_OTGPHY>;
>>> +
>>> + #phy-cells = <0>;
>>> + };
>>> + };
>>> +
>>> + ost: timer@12000000 {
>>> + compatible = "ingenic,x1830-ost", "ingenic,x1000-ost";
>>> + reg = <0x12000000 0x3c>;
>>> +
>>> + #clock-cells = <1>;
>>> +
>>> + clocks = <&cgu X1830_CLK_OST>;
>>> + clock-names = "ost";
>>> +
>>> + interrupt-parent = <&cpuintc>;
>>> + interrupts = <4>;
>>> };
>>>
>>> tcu: timer@10002000 {
>>> @@ -236,6 +261,13 @@
>>> status = "disabled";
>>> };
>>>
>>> + dtrng: trng@10072000 {
>>> + compatible = "ingenic,x1830-dtrng";
>>> + reg = <0x10072000 0xc>;
>>> +
>>> + clocks = <&cgu X1830_CLK_DTRNG>;
>>> + };
>>> +
>>> pdma: dma-controller@13420000 {
>>> compatible = "ingenic,x1830-dma";
>>> reg = <0x13420000 0x400
>>> @@ -311,4 +343,24 @@
>>> status = "disabled";
>>> };
>>> };
>>> +
>>> + otg: usb@13500000 {
>>> + compatible = "ingenic,x1830-otg", "snps,dwc2";
>>> + reg = <0x13500000 0x40000>;
>>> +
>>> + interrupt-parent = <&intc>;
>>> + interrupts = <21>;
>>> +
>>> + clocks = <&cgu X1830_CLK_OTG>;
>>> + clock-names = "otg";
>>> +
>>> + phys = <&otg_phy>;
>>> + phy-names = "usb2-phy";
>>> +
>>> + g-rx-fifo-size = <768>;
>>> + g-np-tx-fifo-size = <256>;
>>> + g-tx-fifo-size = <256 256 256 256 256 256 256 512>;
>>> +
>>> + status = "disabled";
>>> + };
>>> };
>>> --
>>> 2.11.0
>>>

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In reply to: Zhou Yanjie: "Re: [PATCH 1/2] MIPS: Ingenic: Add missing nodes for Ingenic SoCs and boards."
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