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Message-ID:
<PUZPR06MB5887EC14CD0613594F071A9AEFCAA@PUZPR06MB5887.apcprd06.prod.outlook.com>
Date: Fri, 14 Nov 2025 02:28:47 +0000
From: Gary Yang <gary.yang@...tech.com>
To: Conor Dooley <conor@...nel.org>
CC: "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>, "robh@...nel.org"
<robh@...nel.org>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
"conor+dt@...nel.org" <conor+dt@...nel.org>, "devicetree@...r.kernel.org"
<devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org"
<linux-kernel@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>, cix-kernel-upstream
<cix-kernel-upstream@...tech.com>
Subject:
回复: [PATCH v2 1/3] dt-bindings: reset: add sky1 reset controller
Hi Conor:
Thanks for your comments
> On Thu, Nov 13, 2025 at 03:59:33PM +0800, Gary Yang wrote:
> > There are two reset controllers on Cix sky1 Soc.
> > One is located in S0 domain, and the other is located in S5 domain.
> >
> > Signed-off-by: Gary Yang <gary.yang@...tech.com>
> > ---
> > .../bindings/reset/cix,sky1-rst.yaml | 48 +++++
> > include/dt-bindings/reset/cix,sky1-rst-fch.h | 42 +++++
> > include/dt-bindings/reset/cix,sky1-rst.h | 164
> ++++++++++++++++++
> > 3 files changed, 254 insertions(+)
> > create mode 100644
> > Documentation/devicetree/bindings/reset/cix,sky1-rst.yaml
> > create mode 100644 include/dt-bindings/reset/cix,sky1-rst-fch.h
> > create mode 100644 include/dt-bindings/reset/cix,sky1-rst.h
> >
> > diff --git a/Documentation/devicetree/bindings/reset/cix,sky1-rst.yaml
> > b/Documentation/devicetree/bindings/reset/cix,sky1-rst.yaml
> > new file mode 100644
> > index 000000000000..6339ed3f296a
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/reset/cix,sky1-rst.yaml
> > @@ -0,0 +1,48 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/reset/cix,sky1-rst.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: CIX Sky1 Reset Controller
> > +
> > +maintainers:
> > + - Gary Yang <gary.yang@...tech.com>
> > +
> > +description: |
> > + CIX Sky1 reset controller can be used to reset various set of peripherals.
> > + There are two reset controllers, one is located in S0 domain, the
> > +other
> > + is located in S5 domain.
> > +
> > + See also:
> > + - include/dt-bindings/reset/cix,sky1-rst.h
> > +
> > +properties:
> > + compatible:
> > + items:
> > + - enum:
> > + - cix,sky1-rst
> > + - cix,sky1-rst-fch
> > + - const: syscon
>
> Why are these "syscon"s? I don't see that explained.
>
There are serval modules sharing the same register space on Cix Sky1 platform.
Maybe you will see these module later as we upstream more modules.
If miss any information, please let me know
Best wishes
Gary
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + '#reset-cells':
> > + const: 1
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - '#reset-cells'
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/reset/cix,sky1-rst.h>
> > + reset-controller@...00000 {
> > + compatible = "cix,sky1-rst", "syscon";
> > + reg = <0x16000000 0x1000>;
> > + #reset-cells = <1>;
> > + };
> > diff --git a/include/dt-bindings/reset/cix,sky1-rst-fch.h
> > b/include/dt-bindings/reset/cix,sky1-rst-fch.h
> > new file mode 100644
> > index 000000000000..8e67d7eb92aa
> > --- /dev/null
> > +++ b/include/dt-bindings/reset/cix,sky1-rst-fch.h
> > @@ -0,0 +1,42 @@
> > +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> > +/* Author: Jerry Zhu <jerry.zhu@...tech.com> */ #ifndef
> > +DT_BINDING_RESET_FCH_SKY1_H #define DT_BINDING_RESET_FCH_SKY1_H
> > +
> > +/* func reset for sky1 fch */
> > +
> > +#define SW_I3C0_RST_FUNC_G_N 0
> > +#define SW_I3C0_RST_FUNC_I_N 1
> > +#define SW_I3C1_RST_FUNC_G_N 2
> > +#define SW_I3C1_RST_FUNC_I_N 3
> > +#define SW_UART0_RST_FUNC_N 4
> > +#define SW_UART1_RST_FUNC_N 5
> > +#define SW_UART2_RST_FUNC_N 6
> > +#define SW_UART3_RST_FUNC_N 7
> > +#define SW_TIMER_RST_FUNC_N 8
> > +
> > +/* apb reset for sky1 fch */
> > +#define SW_I3C0_RST_APB_N 9
> > +#define SW_I3C1_RST_APB_N 10
> > +#define SW_DMA_RST_AXI_N 11
> > +#define SW_UART0_RST_APB_N 12
> > +#define SW_UART1_RST_APB_N 13
> > +#define SW_UART2_RST_APB_N 14
> > +#define SW_UART3_RST_APB_N 15
> > +#define SW_SPI0_RST_APB_N 16
> > +#define SW_SPI1_RST_APB_N 17
> > +#define SW_I2C0_RST_APB_N 18
> > +#define SW_I2C1_RST_APB_N 19
> > +#define SW_I2C2_RST_APB_N 20
> > +#define SW_I2C3_RST_APB_N 21
> > +#define SW_I2C4_RST_APB_N 22
> > +#define SW_I2C5_RST_APB_N 23
> > +#define SW_I2C6_RST_APB_N 24
> > +#define SW_I2C7_RST_APB_N 25
> > +#define SW_GPIO_RST_APB_N 26
> > +
> > +/* fch rst for xspi */
> > +#define SW_XSPI_REG_RST_N 27
> > +#define SW_XSPI_SYS_RST_N 28
> > +
> > +#endif
> > diff --git a/include/dt-bindings/reset/cix,sky1-rst.h
> > b/include/dt-bindings/reset/cix,sky1-rst.h
> > new file mode 100644
> > index 000000000000..72c0d6a60452
> > --- /dev/null
> > +++ b/include/dt-bindings/reset/cix,sky1-rst.h
> > @@ -0,0 +1,164 @@
> > +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> > +/* Author: Jerry Zhu <jerry.zhu@...tech.com> */ #ifndef
> > +DT_BINDING_RESET_SKY1_H #define DT_BINDING_RESET_SKY1_H
> > +
> > +/* reset for csu_pm */
> > +
> > +#define SKY1_CSU_PM_RESET_N 0
> > +#define SKY1_SENSORHUB_RESET_N 1
> > +#define SKY1_SENSORHUB_NOC_RESET_N 2
> > +
> > +/* reset group0 for s0 domain modules */
> > +#define SKY1_DDRC_RESET_N 3
> > +#define SKY1_GIC_RESET_N 4
> > +#define SKY1_CI700_RESET_N 5
> > +#define SKY1_SYS_NI700_RESET_N 6
> > +#define SKY1_MM_NI700_RESET_N 7
> > +#define SKY1_PCIE_NI700_RESET_N 8
> > +#define SKY1_GPU_RESET_N 9
> > +#define SKY1_NPUTOP_RESET_N 10
> > +#define SKY1_NPUCORE0_RESET_N 11
> > +#define SKY1_NPUCORE1_RESET_N 12
> > +#define SKY1_NPUCORE2_RESET_N 13
> > +#define SKY1_VPU_RESET_N 14
> > +#define SKY1_ISP_SRESET_N 15
> > +#define SKY1_ISP_ARESET_N 16
> > +#define SKY1_ISP_HRESET_N 17
> > +#define SKY1_ISP_GDCRESET_N 18
> > +#define SKY1_DPU_RESET0_N 19
> > +#define SKY1_DPU_RESET1_N 20
> > +#define SKY1_DPU_RESET2_N 21
> > +#define SKY1_DPU_RESET3_N 22
> > +#define SKY1_DPU_RESET4_N 23
> > +#define SKY1_DP_RESET0_N 24
> > +#define SKY1_DP_RESET1_N 25
> > +#define SKY1_DP_RESET2_N 26
> > +#define SKY1_DP_RESET3_N 27
> > +#define SKY1_DP_RESET4_N 28
> > +#define SKY1_DP_PHY_RST_N 29
> > +
> > +/* reset group1 for s0 domain modules */
> > +#define SKY1_AUDIO_HIFI5_RESET_N 30
> > +#define SKY1_AUDIO_HIFI5_NOC_RESET_N 31
> > +#define SKY1_CSIDPHY_PRST0_N 32
> > +#define SKY1_CSIDPHY_CMNRST0_N 33
> > +#define SKY1_CSI0_RST_N 34
> > +#define SKY1_CSIDPHY_PRST1_N 35
> > +#define SKY1_CSIDPHY_CMNRST1_N 36
> > +#define SKY1_CSI1_RST_N 37
> > +#define SKY1_CSI2_RST_N 38
> > +#define SKY1_CSI3_RST_N 39
> > +#define SKY1_CSIBRDGE0_RST_N 40
> > +#define SKY1_CSIBRDGE1_RST_N 41
> > +#define SKY1_CSIBRDGE2_RST_N 42
> > +#define SKY1_CSIBRDGE3_RST_N 43
> > +#define SKY1_GMAC0_RST_N 44
> > +#define SKY1_GMAC1_RST_N 45
> > +#define SKY1_PCIE0_RESET_N 46
> > +#define SKY1_PCIE1_RESET_N 47
> > +#define SKY1_PCIE2_RESET_N 48
> > +#define SKY1_PCIE3_RESET_N 49
> > +#define SKY1_PCIE4_RESET_N 50
> > +
> > +/* reset group1 for usb phys */
> > +#define SKY1_USB_DP_PHY0_PRST_N 51
> > +#define SKY1_USB_DP_PHY1_PRST_N 52
> > +#define SKY1_USB_DP_PHY2_PRST_N 53
> > +#define SKY1_USB_DP_PHY3_PRST_N 54
> > +#define SKY1_USB_DP_PHY0_RST_N 55
> > +#define SKY1_USB_DP_PHY1_RST_N 56
> > +#define SKY1_USB_DP_PHY2_RST_N 57
> > +#define SKY1_USB_DP_PHY3_RST_N 58
> > +#define SKY1_USBPHY_SS_PST_N 59
> > +#define SKY1_USBPHY_SS_RST_N 60
> > +#define SKY1_USBPHY_HS0_PRST_N 61
> > +#define SKY1_USBPHY_HS1_PRST_N 62
> > +#define SKY1_USBPHY_HS2_PRST_N 63
> > +#define SKY1_USBPHY_HS3_PRST_N 64
> > +#define SKY1_USBPHY_HS4_PRST_N 65
> > +#define SKY1_USBPHY_HS5_PRST_N 66
> > +#define SKY1_USBPHY_HS6_PRST_N 67
> > +#define SKY1_USBPHY_HS7_PRST_N 68
> > +#define SKY1_USBPHY_HS8_PRST_N 69
> > +#define SKY1_USBPHY_HS9_PRST_N 70
> > +
> > +/* reset group1 for usb controllers */
> > +#define SKY1_USBC_SS0_PRST_N 71
> > +#define SKY1_USBC_SS1_PRST_N 72
> > +#define SKY1_USBC_SS2_PRST_N 73
> > +#define SKY1_USBC_SS3_PRST_N 74
> > +#define SKY1_USBC_SS4_PRST_N 75
> > +#define SKY1_USBC_SS5_PRST_N 76
> > +#define SKY1_USBC_SS0_RST_N 77
> > +#define SKY1_USBC_SS1_RST_N 78
> > +#define SKY1_USBC_SS2_RST_N 79
> > +#define SKY1_USBC_SS3_RST_N 80
> > +#define SKY1_USBC_SS4_RST_N 81
> > +#define SKY1_USBC_SS5_RST_N 82
> > +#define SKY1_USBC_HS0_PRST_N 83
> > +#define SKY1_USBC_HS1_PRST_N 84
> > +#define SKY1_USBC_HS2_PRST_N 85
> > +#define SKY1_USBC_HS3_PRST_N 86
> > +#define SKY1_USBC_HS0_RST_N 87
> > +#define SKY1_USBC_HS1_RST_N 88
> > +#define SKY1_USBC_HS2_RST_N 89
> > +#define SKY1_USBC_HS3_RST_N 90
> > +
> > +/* reset group0 for rcsu */
> > +#define SKY1_AUDIO_RCSU_RESET_N 91
> > +#define SKY1_CI700_RCSU_RESET_N 92
> > +#define SKY1_CSI_RCSU0_RESET_N 93
> > +#define SKY1_CSI_RCSU1_RESET_N 94
> > +#define SKY1_CSU_PM_RCSU_RESET_N 95
> > +#define SKY1_DDR_BROADCAST_RCSU_RESET_N 96
> > +#define SKY1_DDR_CTRL_RCSU_0_RESET_N 97
> > +#define SKY1_DDR_CTRL_RCSU_1_RESET_N 98
> > +#define SKY1_DDR_CTRL_RCSU_2_RESET_N 99
> > +#define SKY1_DDR_CTRL_RCSU_3_RESET_N 100
> > +#define SKY1_DDR_TZC400_RCSU_0_RESET_N 101
> > +#define SKY1_DDR_TZC400_RCSU_1_RESET_N 102
> > +#define SKY1_DDR_TZC400_RCSU_2_RESET_N 103
> > +#define SKY1_DDR_TZC400_RCSU_3_RESET_N 104
> > +#define SKY1_DP0_RCSU_RESET_N 105
> > +#define SKY1_DP1_RCSU_RESET_N 106
> > +#define SKY1_DP2_RCSU_RESET_N 107
> > +#define SKY1_DP3_RCSU_RESET_N 108
> > +#define SKY1_DP4_RCSU_RESET_N 109
> > +#define SKY1_DPU0_RCSU_RESET_N 110
> > +#define SKY1_DPU1_RCSU_RESET_N 111
> > +#define SKY1_DPU2_RCSU_RESET_N 112
> > +#define SKY1_DPU3_RCSU_RESET_N 113
> > +#define SKY1_DPU4_RCSU_RESET_N 114
> > +#define SKY1_DSU_RCSU_RESET_N 115
> > +#define SKY1_FCH_RCSU_RESET_N 116
> > +#define SKY1_GICD_RCSU_RESET_N 117
> > +#define SKY1_GMAC_RCSU_RESET_N 118
> > +#define SKY1_GPU_RCSU_RESET_N 119
> > +#define SKY1_ISP_RCSU0_RESET_N 120
> > +#define SKY1_ISP_RCSU1_RESET_N 121
> > +#define SKY1_NI700_MMHUB_RCSU_RESET_N 122
> > +
> > +/* reset group1 for rcsu */
> > +#define SKY1_NPU_RCSU_RESET_N 123
> > +#define SKY1_NI700_PCIE_RCSU_RESET_N 124
> > +#define SKY1_PCIE_X421_RCSU_RESET_N 125
> > +#define SKY1_PCIE_X8_RCSU_RESET_N 126
> > +#define SKY1_SF_RCSU_RESET_N 127
> > +#define SKY1_RCSU_SMMU_MMHUB_RESET_N 128
> > +#define SKY1_RCSU_SMMU_PCIEHUB_RESET_N 129
> > +#define SKY1_RCSU_SYSHUB_RESET_N 130
> > +#define SKY1_NI700_SMN_RCSU_RESET_N 131
> > +#define SKY1_NI700_SYSHUB_RCSU_RESET_N 132
> > +#define SKY1_RCSU_USB2_HOST0_RESET_N 133
> > +#define SKY1_RCSU_USB2_HOST1_RESET_N 134
> > +#define SKY1_RCSU_USB2_HOST2_RESET_N 135
> > +#define SKY1_RCSU_USB2_HOST3_RESET_N 136
> > +#define SKY1_RCSU_USB3_TYPEA_DRD_RESET_N 137
> > +#define SKY1_RCSU_USB3_TYPEC_DRD_RESET_N 138
> > +#define SKY1_RCSU_USB3_TYPEC_HOST0_RESET_N 139
> > +#define SKY1_RCSU_USB3_TYPEC_HOST1_RESET_N 140
> > +#define SKY1_RCSU_USB3_TYPEC_HOST2_RESET_N 141
> > +#define SKY1_VPU_RCSU_RESET_N 142
> > +
> > +#endif
> > --
> > 2.49.0
> >
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