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Date: Fri, 25 Feb 2022 12:04:04 +0100
From: Johan Jonker <jbx6244@...il.com>
To: Michael Riesch <michael.riesch@...fvision.net>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: Rob Herring <robh+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
Sascha Hauer <s.hauer@...gutronix.de>,
Liang Chen <cl@...k-chips.com>,
Peter Geis <pgwipeout@...il.com>,
Simon Xue <xxm@...k-chips.com>,
Yifeng Zhao <yifeng.zhao@...k-chips.com>,
Nicolas Frattaroli <frattaroli.nicolas@...il.com>
Subject: Re: [PATCH 1/2] arm64: dts: rockchip: add the usb3 nodes to rk356x
Oops...
On 2/25/22 11:53, Johan Jonker wrote:
> Hi Michael,
>
> On 2/25/22 11:09, Michael Riesch wrote:
>> The Rockchip RK3566 and RK3568 feature two USB 3.0 xHCI controllers,
>> one of them with Dual Role Device (DRD) capability.
>>
>> Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
>> Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
>> ---
>> arch/arm64/boot/dts/rockchip/rk3568.dtsi | 5 ++
>> arch/arm64/boot/dts/rockchip/rk356x.dtsi | 58 ++++++++++++++++++++++++
>> 2 files changed, 63 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
>> index 91a0b798b857..0cd4ef36066a 100644
>> --- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
>> +++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
>> @@ -116,3 +116,8 @@ power-domain@...568_PD_PIPE {
>> #power-domain-cells = <0>;
>> };
>> };
>> +
>> +&usb_host0_dwc3 {
>> + phys = <&usb2phy0_otg>, <&combphy0 PHY_TYPE_USB3>;
>> + phy-names = "usb2-phy", "usb3-phy";
>> +};
>> diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
>> index 8b9fae3d348a..b46794486037 100644
>> --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
>> +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
>> @@ -230,6 +230,64 @@ scmi_shmem: sram@0 {
>> };
>> };
>>
>> + usb_host0_xhci: usb@...00000 {
>
>> + compatible = "rockchip,rk3399-dwc3";
>
> Add string to rockchip,dwc3.yaml
> and check with dtsb_check
>
> compatible = "rockchip,rk3399-dwc3", "snps,dwc3";
compatible = "rockchip,rk3568-dwc3", "snps,dwc3";
>
>> + #address-cells = <2>;
>
> remove
>
>> + clocks = <&cru CLK_USB3OTG0_REF>, <&cru CLK_USB3OTG0_SUSPEND>,
>
>> + <&cru ACLK_USB3OTG0>, <&cru PCLK_PIPE>;
>
> PCLK_PIPE part of an other node, probably only to enable PD_PIPE.
>
> combphy1: phy@...30000 {
> compatible = "rockchip,rk3568-naneng-combphy";
> reg = <0x0 0xfe830000 0x0 0x100>;
> clocks = <&pmucru CLK_PCIEPHY1_REF>,
> <&cru PCLK_PIPEPHY1>,
> <&cru PCLK_PIPE>;
> clock-names = "ref", "apb", "pipe";
> assigned-clocks = <&pmucru CLK_PCIEPHY1_REF>;
> assigned-clock-rates = <100000000>;
> resets = <&cru SRST_PIPEPHY1>;
> rockchip,pipe-grf = <&pipegrf>;
> rockchip,pipe-phy-grf = <&pipe_phy_grf1>;
> #phy-cells = <1>;
> status = "disabled";
> };
>
> Rockchip RK3568 TRM Part1 V1.0-20210111.pdf
> page 475
>
> PD_PIPE:
>
> BIU_PIPE
> USB3OTG
> PCIE20
> PCIE30
> SATA
> XPCS
>
> PCIE, SATA USB clocks are child of aclk_pipe
> Yet PCLK_PIPE is the only clock that enables RK3568_PD_PIPE.
>
>
> COMPOSITE_NOMUX(PCLK_PIPE, "pclk_pipe", "aclk_pipe", 0,
> RK3568_CLKSEL_CON(29), 4, 4, DFLAGS,
> RK3568_CLKGATE_CON(10), 1, GFLAGS),
>
> &power {
> power-domain@...568_PD_PIPE {
> reg = <RK3568_PD_PIPE>;
>
> clocks = <&cru PCLK_PIPE>;
>
> Do we need more clocks here for USB for example?
>
> pm_qos = <&qos_pcie2x1>,
> <&qos_pcie3x1>,
> <&qos_pcie3x2>,
> <&qos_sata0>,
> <&qos_sata1>,
> <&qos_sata2>,
> <&qos_usb3_0>,
> <&qos_usb3_1>;
> #power-domain-cells = <0>;
> };
> };
>
>> + clock-names = "ref_clk", "suspend_clk", "bus_clk", "grf_clk";
>
> grf_clk only related to rk3399 ACLK_USB3_GRF and not to PCLK_PIPE.
>
>> + ranges;
>> + #size-cells = <2>;
>
> remove
>
>> + status = "disabled";
>> +
>> + usb_host0_dwc3: usb@...00000 {
>
> No subnode for "snps,dwc3"
> No more subdriver like rk3399.
> Use dwc core only and fix things/quirks there.
>
>> + compatible = "snps,dwc3";
>> + reg = <0x0 0xfcc00000 0x0 0x400000>;
>> + interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
>> + dr_mode = "otg";
>> + phy_type = "utmi_wide";
>> + power-domains = <&power RK3568_PD_PIPE>;
>> + resets = <&cru SRST_USB3OTG0>;
>> + reset-names = "usb3-otg";
>> + snps,dis-del-phy-power-chg-quirk;
>> + snps,dis_enblslpm_quirk;
>> + snps,dis_rxdet_inp3_quirk;
>> + snps,dis-tx-ipgap-linecheck-quirk;
>> + snps,dis-u2-freeclk-exists-quirk;
>
>> + snps,xhci-trb-ent-quirk;
>
> Not in mainline.
> See snps,dwc3.yaml
>
>> + };
>> + };
>> +
>> + usb_host1_xhci: usb@...00000 {
>> + compatible = "rockchip,rk3399-dwc3";
compatible = "rockchip,rk3568-dwc3", "snps,dwc3";
>> + #address-cells = <2>;
>> + clocks = <&cru CLK_USB3OTG1_REF>, <&cru CLK_USB3OTG1_SUSPEND>,
>> + <&cru ACLK_USB3OTG1>, <&cru PCLK_PIPE>;
>> + clock-names = "ref_clk", "suspend_clk", "bus_clk", "grf_clk";
>> + ranges;
>> + #size-cells = <2>;
>> + status = "disabled";
>> +
>> + usb_host1_dwc3: usb@...00000 {
>> + compatible = "snps,dwc3";
>> + reg = <0x0 0xfd000000 0x0 0x400000>;
>> + interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
>> + dr_mode = "host";
>> + phy_type = "utmi_wide";
>> + phys = <&usb2phy0_host>, <&combphy1 PHY_TYPE_USB3>;
>> + phy-names = "usb2-phy", "usb3-phy";
>> + power-domains = <&power RK3568_PD_PIPE>;
>> + resets = <&cru SRST_USB3OTG1>;
>
>> + reset-names = "usb3-host";
>
> reset-names:
> const: usb3-otg
>
> Fix binding or DT ??
>
>> + snps,dis-del-phy-power-chg-quirk;
>> + snps,dis_enblslpm_quirk;
>> + snps,dis_rxdet_inp3_quirk;
>> + snps,dis-tx-ipgap-linecheck-quirk;
>> + snps,dis-u2-freeclk-exists-quirk;
>
>> + snps,xhci-trb-ent-quirk;
>
> Not in mainline ??
>
>> + };
>> + };
>> +
>
>
> usbdrd3_1: usb@...00000 {
> compatible = "rockchip,rk3399-dwc3", "snps,dwc3";
compatible = "rockchip,rk3568-dwc3", "snps,dwc3";
> reg = <0x0 0xfd000000 0x0 0x400000>;
> interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
> clocks = <&cru CLK_USB3OTG1_REF>,
> <&cru CLK_USB3OTG1_SUSPEND>,
> <&cru ACLK_USB3OTG1>;
> clock-names = "ref_clk", "suspend_clk", "bus_clk";
> dr_mode = "host";
> phy_type = "utmi_wide";
> phys = <&usb2phy0_host>, <&combphy1 PHY_TYPE_USB3>;
> phy-names = "usb2-phy", "usb3-phy";
> power-domains = <&power RK3568_PD_PIPE>;
> resets = <&cru SRST_USB3OTG1>;
> reset-names = "usb3-otg";
> snps,dis-del-phy-power-chg-quirk;
> snps,dis_enblslpm_quirk;
> snps,dis_rxdet_inp3_quirk;
> snps,dis-tx-ipgap-linecheck-quirk;
> snps,dis-u2-freeclk-exists-quirk;
> status = "disabled";
> };
>
>
>> gic: interrupt-controller@...00000 {
>> compatible = "arm,gic-v3";
>> reg = <0x0 0xfd400000 0 0x10000>, /* GICD */
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