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Message-ID: <c5014fe3-130b-4ace-a66e-8773a9a4f1dc@yandex.com>
Date: Thu, 15 Aug 2024 11:30:25 +0200
From: Johan Jonker <jbx6244@...dex.com>
To: Detlev Casanova <detlev.casanova@...labora.com>,
linux-kernel@...r.kernel.org
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
Andi Shyti <andi.shyti@...nel.org>, Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>, Lee Jones <lee@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>, Daniel Lezcano
<daniel.lezcano@...aro.org>, Thomas Gleixner <tglx@...utronix.de>,
Chris Morgan <macromorgan@...mail.com>, Jonas Karlman <jonas@...boo.se>,
Tim Lunn <tim@...thertop.org>, Muhammed Efe Cetin <efectn@...tonmail.com>,
Andy Yan <andyshrk@....com>, Jagan Teki <jagan@...eble.ai>,
Dragan Simic <dsimic@...jaro.org>,
Sebastian Reichel <sebastian.reichel@...labora.com>,
Shresth Prasad <shresthprasad7@...il.com>, Ondrej Jirman <megi@....cz>,
Weizhao Ouyang <weizhao.ouyang@....com>, Alexey Charkov <alchark@...il.com>,
Jimmy Hon <honyuenkwun@...il.com>, Finley Xiao <finley.xiao@...k-chips.com>,
Yifeng Zhao <yifeng.zhao@...k-chips.com>,
Elaine Zhang <zhangqing@...k-chips.com>, Liang Chen <cl@...k-chips.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-i2c@...r.kernel.org,
linux-iio@...r.kernel.org, linux-serial@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCH 09/10] arm64: dts: rockchip: Add rk3576 SoC base DT
Some comments below. Whenever useful.
On 8/2/24 23:45, Detlev Casanova wrote:
> This device tree contains all devices necessary for booting from network
> or SD Card.
>
> It supports CPU, CRU, PM domains, dma, interrupts, timers, UART and
> SDHCI (everything necessary to boot Linux on this system on chip) as
> well as Ethernet, I2C, SPI and OTP.
>
> Also add the necessary DT bindings for the SoC.
>
> Signed-off-by: Liang Chen <cl@...k-chips.com>
> Signed-off-by: Finley Xiao <finley.xiao@...k-chips.com>
> Signed-off-by: Yifeng Zhao <yifeng.zhao@...k-chips.com>
> Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
> [rebase, squash and reword commit message]
> Signed-off-by: Detlev Casanova <detlev.casanova@...labora.com>
> ---
[..]
> diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
> new file mode 100644
> index 0000000000000..00c4d2a153ced
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
> @@ -0,0 +1,1635 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2023 Rockchip Electronics Co., Ltd.
> + */
> +
> +#include <dt-bindings/clock/rockchip,rk3576-cru.h>
> +#include <dt-bindings/reset/rockchip,rk3576-cru.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/phy/phy.h>
> +#include <dt-bindings/power/rk3576-power.h>
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include <dt-bindings/soc/rockchip,boot-mode.h>
Sort includes.
> +
> +/ {
> + compatible = "rockchip,rk3576";
> +
> + interrupt-parent = <&gic>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + aliases {
> + ethernet0 = &gmac0;
> + ethernet1 = &gmac1;
> + gpio0 = &gpio0;
> + gpio1 = &gpio1;
> + gpio2 = &gpio2;
> + gpio3 = &gpio3;
> + gpio4 = &gpio4;
> + i2c0 = &i2c0;
> + i2c1 = &i2c1;
> + i2c2 = &i2c2;
> + i2c3 = &i2c3;
> + i2c4 = &i2c4;
> + i2c5 = &i2c5;
> + i2c6 = &i2c6;
> + i2c7 = &i2c7;
> + i2c8 = &i2c8;
> + i2c9 = &i2c9;
> + serial0 = &uart0;
> + serial1 = &uart1;
> + serial2 = &uart2;
> + serial3 = &uart3;
> + serial4 = &uart4;
> + serial5 = &uart5;
> + serial6 = &uart6;
> + serial7 = &uart7;
> + serial8 = &uart8;
> + serial9 = &uart9;
> + serial10 = &uart10;
> + serial11 = &uart11;
> + spi0 = &spi0;
> + spi1 = &spi1;
> + spi2 = &spi2;
> + spi3 = &spi3;
> + spi4 = &spi4;
> + };
> +
[..]
For uart0..uart11:
> +
> + uart1: serial@...10000 {
> + compatible = "rockchip,rk3576-uart", "snps,dw-apb-uart";
> + reg = <0x0 0x27310000 0x0 0x100>;
> + interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
"interrupts" are sort just like other properties. A mix of sort styles exists, so check all nodes.
> + clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
> + clock-names = "baudclk", "apb_pclk";
> + reg-shift = <2>;
> + reg-io-width = <4>;
Move below "reg".
> + dmas = <&dmac0 8>, <&dmac0 9>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart1m0_xfer>;
> + status = "disabled";
> + };
> +
> + pmu: power-management@...80000 {
> + compatible = "rockchip,rk3576-pmu", "syscon", "simple-mfd";
> + reg = <0x0 0x27380000 0x0 0x800>;
> +
> + power: power-controller {
> + compatible = "rockchip,rk3576-power-controller";
> + #power-domain-cells = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "okay";
Remove.
> +
> + power-domain@...576_PD_NPU {
> + reg = <RK3576_PD_NPU>;
> + #power-domain-cells = <0>;
#power-domain-cells = <1>;
"#power-domain-cells":
enum: [0, 1]
description:
Must be 0 for nodes representing a single PM domain and 1 for nodes
providing multiple PM domains.
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + power-domain@...576_PD_NPUTOP {
> + reg = <RK3576_PD_NPUTOP>;
> + #power-domain-cells = <0>;
#power-domain-cells = <1>;
"#power-domain-cells":
enum: [0, 1]
description:
Must be 0 for nodes representing a single PM domain and 1 for nodes
providing multiple PM domains.
> + #address-cells = <1>;
> + #size-cells = <0>;
> + clocks = <&cru ACLK_RKNN0>,
> + <&cru ACLK_RKNN1>,
> + <&cru ACLK_RKNN_CBUF>,
> + <&cru CLK_RKNN_DSU0>,
> + <&cru HCLK_RKNN_CBUF>,
> + <&cru HCLK_RKNN_ROOT>,
> + <&cru HCLK_NPU_CM0_ROOT>,
> + <&cru PCLK_NPUTOP_ROOT>;
> + pm_qos = <&qos_npu_mcu>,
> + <&qos_npu_nsp0>,
> + <&qos_npu_nsp1>,
> + <&qos_npu_m0ro>,
> + <&qos_npu_m1ro>;
> +
> + power-domain@...576_PD_NPU0 {
> + reg = <RK3576_PD_NPU0>;
> + #power-domain-cells = <0>;
> + clocks = <&cru HCLK_RKNN_ROOT>,
> + <&cru ACLK_RKNN0>;
> + pm_qos = <&qos_npu_m0>;
> + };
> + power-domain@...576_PD_NPU1 {
> + reg = <RK3576_PD_NPU1>;
> + #power-domain-cells = <0>;
> + clocks = <&cru HCLK_RKNN_ROOT>,
> + <&cru ACLK_RKNN1>;
> + pm_qos = <&qos_npu_m1>;
> + };
> + };
> + };
> +
> + power-domain@...576_PD_GPU {
> + reg = <RK3576_PD_GPU>;
> + #power-domain-cells = <0>;
> + clocks = <&cru CLK_GPU>;
> + pm_qos = <&qos_gpu>;
> + };
> +
> + power-domain@...576_PD_NVM {
> + reg = <RK3576_PD_NVM>;
> + #power-domain-cells = <0>;
#power-domain-cells = <1>;
"#power-domain-cells":
enum: [0, 1]
description:
Must be 0 for nodes representing a single PM domain and 1 for nodes
providing multiple PM domains.
> + #address-cells = <1>;
> + #size-cells = <0>;
> + clocks = <&cru ACLK_EMMC>, <&cru HCLK_EMMC>;
> + pm_qos = <&qos_emmc>,
> + <&qos_fspi0>;
> +
> + power-domain@...576_PD_SDGMAC {
> + reg = <RK3576_PD_SDGMAC>;
> + #power-domain-cells = <0>;
TAB ??
> + clocks = <&cru ACLK_HSGPIO>,
> + <&cru ACLK_GMAC0>,
> + <&cru ACLK_GMAC1>,
> + <&cru CCLK_SRC_SDIO>,
> + <&cru CCLK_SRC_SDMMC0>,
> + <&cru HCLK_HSGPIO>,
> + <&cru HCLK_SDIO>,
> + <&cru HCLK_SDMMC0>;
> + pm_qos = <&qos_fspi1>,
> + <&qos_gmac0>,
> + <&qos_gmac1>,
> + <&qos_sdio>,
> + <&qos_sdmmc>,
> + <&qos_flexbus>;
> + };
> + };
> + power-domain@...576_PD_PHP {
> + reg = <RK3576_PD_PHP>;
> + #power-domain-cells = <0>;
#power-domain-cells = <1>;
"#power-domain-cells":
enum: [0, 1]
description:
Must be 0 for nodes representing a single PM domain and 1 for nodes
providing multiple PM domains.
> + #address-cells = <1>;
> + #size-cells = <0>;
> + clocks = <&cru ACLK_PHP_ROOT>,
> + <&cru PCLK_PHP_ROOT>,
> + <&cru ACLK_MMU0>,
> + <&cru ACLK_MMU1>;
> + pm_qos = <&qos_mmu0>,
> + <&qos_mmu1>;
> +
> + power-domain@...576_PD_SUBPHP {
> + reg = <RK3576_PD_SUBPHP>;
> + #power-domain-cells = <0>;
TAB??
> + };
> + };
> + power-domain@...576_PD_AUDIO {
> + reg = <RK3576_PD_AUDIO>;
> + #power-domain-cells = <0>;
> + };
> + power-domain@...576_PD_VEPU1 {
> + clocks = <&cru ACLK_VEPU1>,
> + <&cru HCLK_VEPU1>;
> + reg = <RK3576_PD_VEPU1>;
sort
> + #power-domain-cells = <0>;
> + pm_qos = <&qos_vepu1>;
> + };
> + power-domain@...576_PD_VPU {
> + reg = <RK3576_PD_VPU>;
> + #power-domain-cells = <0>;
> + clocks = <&cru ACLK_EBC>,
> + <&cru HCLK_EBC>,
> + <&cru ACLK_RGA2E_0>,
> + <&cru HCLK_RGA2E_0>,
> + <&cru ACLK_RGA2E_1>,
> + <&cru HCLK_RGA2E_1>,
> + <&cru ACLK_JPEG>,
> + <&cru HCLK_JPEG>,
> + <&cru ACLK_VDPP>,
> + <&cru HCLK_VDPP>;
> + pm_qos = <&qos_ebc>,
> + <&qos_rga0>,
> + <&qos_rga1>,
> + <&qos_jpeg>,
> + <&qos_vdpp>;
> + };
> + power-domain@...576_PD_VDEC {
> + reg = <RK3576_PD_VDEC>;
> + #power-domain-cells = <0>;
> + clocks = <&cru ACLK_RKVDEC_ROOT>,
> + <&cru HCLK_RKVDEC>;
> + pm_qos = <&qos_rkvdec>;
> + };
> + power-domain@...576_PD_VI {
> + reg = <RK3576_PD_VI>;
> + #power-domain-cells = <0>;
#power-domain-cells = <1>;
"#power-domain-cells":
enum: [0, 1]
description:
Must be 0 for nodes representing a single PM domain and 1 for nodes
> + #address-cells = <1>;
> + #size-cells = <0>;
> + clocks = <&cru ACLK_VICAP>,
> + <&cru HCLK_VICAP>,
> + <&cru DCLK_VICAP>,
> + <&cru ACLK_VI_ROOT>,
> + <&cru HCLK_VI_ROOT>,
> + <&cru PCLK_VI_ROOT>,
> + <&cru CLK_ISP_CORE>,
> + <&cru ACLK_ISP>,
> + <&cru HCLK_ISP>,
> + <&cru CLK_CORE_VPSS>,
> + <&cru ACLK_VPSS>,
> + <&cru HCLK_VPSS>;
> + pm_qos = <&qos_isp_mro>,
> + <&qos_isp_mwo>,
> + <&qos_vicap_m0>,
> + <&qos_vpss_mro>,
> + <&qos_vpss_mwo>;
> +
> + power-domain@...576_PD_VEPU0 {
> + reg = <RK3576_PD_VEPU0>;
> + #power-domain-cells = <0>;
> + clocks = <&cru ACLK_VEPU0>,
> + <&cru HCLK_VEPU0>;
> + pm_qos = <&qos_vepu0>;
> + };
> + };
> + power-domain@...576_PD_VOP {
> + reg = <RK3576_PD_VOP>;
> + #power-domain-cells = <0>;
#power-domain-cells = <1>;
"#power-domain-cells":
enum: [0, 1]
description:
Must be 0 for nodes representing a single PM domain and 1 for nodes
providing multiple PM domains.
> + #address-cells = <1>;
> + #size-cells = <0>;
> + clocks = <&cru ACLK_VOP>,
> + <&cru HCLK_VOP>,
> + <&cru HCLK_VOP_ROOT>;
> + pm_qos = <&qos_vop_m0>,
> + <&qos_vop_m1ro>;
> +
> + power-domain@...576_PD_USB {
Since when is USB part of VOP?
Recheck?
> + reg = <RK3576_PD_USB>;
> + #power-domain-cells = <0>;
> + clocks = <&cru PCLK_PHP_ROOT>,
> + <&cru ACLK_USB_ROOT>,
> + <&cru ACLK_MMU2>,
> + <&cru ACLK_SLV_MMU2>,
> + <&cru ACLK_UFS_SYS>;
> + pm_qos = <&qos_mmu2>,
> + <&qos_ufshc>;
> + };
> + power-domain@...576_PD_VO0 {
> + reg = <RK3576_PD_VO0>;
> + #power-domain-cells = <0>;
> + clocks = <&cru ACLK_HDCP0>,
> + <&cru HCLK_HDCP0>,
> + <&cru ACLK_VO0_ROOT>,
> + <&cru PCLK_VO0_ROOT>,
> + <&cru HCLK_VOP_ROOT>;
> + pm_qos = <&qos_hdcp0>;
> + };
> + power-domain@...576_PD_VO1 {
> + reg = <RK3576_PD_VO1>;
> + #power-domain-cells = <0>;
> + clocks = <&cru ACLK_HDCP1>,
> + <&cru HCLK_HDCP1>,
> + <&cru ACLK_VO1_ROOT>,
> + <&cru PCLK_VO1_ROOT>,
> + <&cru HCLK_VOP_ROOT>;
> + pm_qos = <&qos_hdcp1>;
> + };
> + };
> + };
> + };
> +
[..]
> +
> + rktimer: timer@...c0000 {
timer0: .....
> + compatible = "rockchip,rk3576-timer", "rockchip,rk3288-timer";
> + reg = <0x0 0x2acc0000 0x0 0x20>;
> + interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
sort
> + clocks = <&cru PCLK_BUSTIMER0>, <&cru CLK_TIMER0>;
> + clock-names = "pclk", "timer";
> + };
> +
> + wdt: watchdog@...e0000 {
> + compatible = "snps,dw-wdt";
Must be SoC related.
Add something to snps,dw-wdt.yaml
> + reg = <0x0 0x2ace0000 0x0 0x100>;
> + clocks = <&cru TCLK_WDT0>, <&cru PCLK_WDT0>;
> + clock-names = "tclk", "pclk";
> + interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
For spi0..spi4:
> + spi0: spi@...f0000 {
> + compatible = "rockchip,rk3066-spi";
Must be SoC related.
Add something to spi-rockchip.yaml
> + reg = <0x0 0x2acf0000 0x0 0x1000>;
> + interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
sort
> + #address-cells = <1>;
> + #size-cells = <0>;
Move things that start with # down the list as posible.
> + clocks = <&cru CLK_SPI0>, <&cru PCLK_SPI0>;
> + clock-names = "spiclk", "apb_pclk";
> + dmas = <&dmac0 14>, <&dmac0 15>;
> + dma-names = "tx", "rx";
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi0m0_csn0 &spi0m0_csn1 &spi0m0_pins>;
> + num-cs = <2>;
> + status = "disabled";
> + };
> +
> + spi1: spi@...00000 {
> + spi2: spi@...10000 {
> + spi3: spi@...20000 {
> + spi4: spi@...30000 {
> + uart0: serial@...40000 {
> + uart2: serial@...50000 {
> + uart3: serial@...60000 {
> + uart4: serial@...70000 {
> + uart5: serial@...80000 {
> + uart6: serial@...90000 {
> + uart7: serial@...a0000 {
> + uart8: serial@...b0000 {
> + uart9: serial@...c0000 {
> + saradc: adc@...00000 {
> + compatible = "rockchip,rk3576-saradc", "rockchip,rk3588-saradc";
> + reg = <0x0 0x2ae00000 0x0 0x10000>;
> + interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>;
sort
> + #io-channel-cells = <1>;
Things that start with "#" are used to interpreted the DT, so down the list as possible.
> + clocks = <&cru CLK_SARADC>, <&cru PCLK_SARADC>;
> + clock-names = "saradc", "apb_pclk";
> + resets = <&cru SRST_P_SARADC>;
> + reset-names = "saradc-apb";
> + status = "disabled";
> + };
> +
[..]
> +
> + uart10: serial@...c0000 {
> +
> + uart11: serial@...d0000 {
> +
[..]
> +
> + pinctrl: pinctrl {
> + compatible = "rockchip,rk3576-pinctrl";
> + rockchip,grf = <&ioc_grf>;
> + rockchip,sys-grf = <&sys_grf>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + gpio0: gpio@...20000 {
The use of gpio nodes as subnode of pinctrl is deprecated.
patternProperties:
"gpio@[0-9a-f]+$":
type: object
$ref: /schemas/gpio/rockchip,gpio-bank.yaml#
deprecated: true
unevaluatedProperties: false
> + compatible = "rockchip,gpio-bank";
When in use as separate node the compatible must be SoC related.
Question for the maintainers: Extra entry to rockchip,gpio-bank.yaml ??
> + reg = <0x0 0x27320000 0x0 0x200>;
> + interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru PCLK_GPIO0>, <&cru DBCLK_GPIO0>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&pinctrl 0 0 32>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + gpio1: gpio@...10000 {
> +
> + gpio2: gpio@...20000 {
> +
> + gpio3: gpio@...30000 {
> +
> + gpio4: gpio@...40000 {
> + };
> +};
> +
> +#include "rk3576-pinctrl.dtsi"
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