dt-bindings: clock: Add StarFive JHB100 System-2 clock and reset generator

Add bindings for the System-2 clocks and reset generator (SYS2CRG) on
JHB100 SoC.

Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
This commit is contained in:
Changhuang Liang 2026-09-30 05:43:03 -07:00 committed by Conor Dooley
parent 2bb7b7f56c
commit 59e04d1e99
3 changed files with 122 additions and 0 deletions

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@ -0,0 +1,64 @@
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/starfive,jhb100-sys2crg.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: StarFive JHB100 System-2 Clock and Reset Generator
maintainers:
- Changhuang Liang <changhuang.liang@starfivetech.com>
properties:
compatible:
const: starfive,jhb100-sys2crg
reg:
maxItems: 1
clocks:
items:
- description: Main Oscillator (25 MHz)
- description: PLL1
- description: GPU0 Non Coherent NOC Initiator
- description: GPU1 Non Coherent NOC Initiator
clock-names:
items:
- const: osc
- const: pll1
- const: gpu0_ncnoc_init
- const: gpu1_ncnoc_init
'#clock-cells':
const: 1
description:
See <dt-bindings/clock/starfive,jhb100-crg.h> for valid indices.
'#reset-cells':
const: 1
description:
See <dt-bindings/reset/starfive,jhb100-crg.h> for valid indices.
required:
- compatible
- reg
- clocks
- clock-names
- '#clock-cells'
- '#reset-cells'
additionalProperties: false
examples:
- |
clock-controller@13008000 {
compatible = "starfive,jhb100-sys2crg";
reg = <0x13008000 0x4000>;
clocks = <&osc>, <&pll1>, <&sys0crg 73>,
<&sys0crg 74>;
clock-names = "osc", "pll1", "gpu0_ncnoc_init",
"gpu1_ncnoc_init";
#clock-cells = <1>;
#reset-cells = <1>;
};

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@ -73,4 +73,37 @@
#define JHB100_SYS1CLK_BMCPER3_NCNOC_TARG 18
#define JHB100_SYS1CLK_BMCPER3_CFG_125 19
/* SYS2CRG clocks */
#define JHB100_SYS2CLK_JTAGM0_HCLK 3
#define JHB100_SYS2CLK_JTAGM1_HCLK 4
#define JHB100_SYS2CLK_JTAGM0_ATPG 5
#define JHB100_SYS2CLK_JTAGM1_ATPG 6
#define JHB100_SYS2CLK_JTAGM0_ATPG_TCLOCK 7
#define JHB100_SYS2CLK_JTAGM1_ATPG_TCLOCK 8
#define JHB100_SYS2CLK_JTAG0_MST_WRAP_HCLK 9
#define JHB100_SYS2CLK_JTAG0_MST_WRAP_CLK_JTAG 10
#define JHB100_SYS2CLK_JTAG0_MST_WRAP_APB_PCLK 11
#define JHB100_SYS2CLK_JTAG0_MST_WRAP_ATPG_TCLOCK 12
#define JHB100_SYS2CLK_JTAG1_MST_WRAP_HCLK 13
#define JHB100_SYS2CLK_JTAG1_MST_WRAP_CLK_JTAG 14
#define JHB100_SYS2CLK_JTAG1_MST_WRAP_APB_PCLK 15
#define JHB100_SYS2CLK_JTAG1_MST_WRAP_ATPG_TCLOCK 16
#define JHB100_SYS2CLK_HOSTUSB_NCNOC_TARG 17
#define JHB100_SYS2CLK_HOSTUSBCMN_CFG_500 18
#define JHB100_SYS2CLK_BMCPER1_NCNOC_TARG 19
#define JHB100_SYS2CLK_BMCPER1_CFG_250 20
#define JHB100_SYS2CLK_BMCPER1_CFG_143_DFT 21
#define JHB100_SYS2CLK_BMCPER1_CFG_143 22
#define JHB100_SYS2CLK_BMCPER0_NCNOC_TARG 23
#define JHB100_SYS2CLK_GPU0_NCNOC_TARG 24
#define JHB100_SYS2CLK_GPU0_BUS_CLK 25
#define JHB100_SYS2CLK_GPU0_APB_CLK 26
#define JHB100_SYS2CLK_GPU0_OSC_CLK 27
#define JHB100_SYS2CLK_GPU1_NCNOC_TARG 28
#define JHB100_SYS2CLK_GPU1_BUS_CLK 29
#define JHB100_SYS2CLK_GPU1_APB_CLK 30
#define JHB100_SYS2CLK_GPU1_OSC_CLK 31
#define JHB100_SYS2CLK_MAIN_ICG_EN_JTAG0 32
#define JHB100_SYS2CLK_MAIN_ICG_EN_JTAG1 33
#endif /* __DT_BINDINGS_CLOCK_STARFIVE_JHB100_H__ */

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@ -36,4 +36,29 @@
#define JHB100_SYS1RST_BMCPERIPH3_RSTN_CRG 7
#define JHB100_SYS1RST_BMCPERIPH3_RSTN_BUS 8
/* SYS2CRG resets */
#define JHB100_SYS2RST_JTAG0_MST_WRAP_HRESETN 0
#define JHB100_SYS2RST_JTAG0_MST_WRAP_APB_PRESETN 1
#define JHB100_SYS2RST_JTAG1_MST_WRAP_HRESETN 2
#define JHB100_SYS2RST_JTAG1_MST_WRAP_APB_PRESETN 3
#define JHB100_SYS2RST_HUSBCMN_HOSTCMN_RSTN_BUS_NCNOC_INIT 4
#define JHB100_SYS2RST_HUSBCMN_RSTN_HOSTCMN_CRG 5
#define JHB100_SYS2RST_HUSBCMN_HOSTUSB0_RSTN_BUS_NCNOC_BMC_TARG 6
#define JHB100_SYS2RST_HUSBCMN_HOSTUSB0_RSTN_BUS_NCNOC_HOST_TARG 7
#define JHB100_SYS2RST_HUSBCMN_RSTN_BMC_CRG 8
#define JHB100_SYS2RST_HUSBCMN_RSTN_HOSTUSB0_CRG 9
#define JHB100_SYS2RST_HUSBCMN_HOSTUSB1_RSTN_BUS_NCNOC_BMC_TARG 10
#define JHB100_SYS2RST_HUSBCMN_HOSTUSB1_RSTN_BUS_NCNOC_HOST_TARG 11
#define JHB100_SYS2RST_HUSBCMN_RSTN_HOSTUSB1_CRG 12
#define JHB100_SYS2RST_BMCPERIPH1_RSTN_CRG 13
#define JHB100_SYS2RST_BMCPERIPH1_RSTN_BUS 14
#define JHB100_SYS2RST_BMCPERIPH0_RSTN_CRG 15
#define JHB100_SYS2RST_BMCPERIPH0_RSTN_BUS 16
#define JHB100_SYS2RST_GPU0_RSTN_CRG 17
#define JHB100_SYS2RST_GPU0_RSTN_BUS 18
#define JHB100_SYS2RST_GPU0_HOST_PCIE_RST_N 19
#define JHB100_SYS2RST_GPU1_RSTN_CRG 20
#define JHB100_SYS2RST_GPU1_RSTN_BUS 21
#define JHB100_SYS2RST_GPU1_HOST_PCIE_RST_N 22
#endif /* __DT_BINDINGS_RESET_STARFIVE_JHB100_CRG_H__ */