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Message-ID: <20230713113902.56519-2-xingyu.wu@starfivetech.com>
Date: Thu, 13 Jul 2023 19:38:54 +0800
From: Xingyu Wu <xingyu.wu@...rfivetech.com>
To: <linux-riscv@...ts.infradead.org>, <devicetree@...r.kernel.org>,
"Michael Turquette" <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
"Philipp Zabel" <p.zabel@...gutronix.de>,
Conor Dooley <conor@...nel.org>,
"Emil Renner Berthing" <emil.renner.berthing@...onical.com>
CC: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Hal Feng <hal.feng@...rfivetech.com>,
Xingyu Wu <xingyu.wu@...rfivetech.com>,
<linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>
Subject: [PATCH v8 1/9] dt-bindings: clock: Add StarFive JH7110 System-Top-Group clock and reset generator
Add bindings for the System-Top-Group clock and reset generator (STGCRG)
on the JH7110 RISC-V SoC by StarFive Ltd.
Acked-by: Palmer Dabbelt <palmer@...osinc.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Xingyu Wu <xingyu.wu@...rfivetech.com>
---
.../clock/starfive,jh7110-stgcrg.yaml | 82 +++++++++++++++++++
.../dt-bindings/clock/starfive,jh7110-crg.h | 34 ++++++++
.../dt-bindings/reset/starfive,jh7110-crg.h | 28 +++++++
3 files changed, 144 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml
diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml
new file mode 100644
index 000000000000..b64ccd84200a
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-stgcrg.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/starfive,jh7110-stgcrg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 System-Top-Group Clock and Reset Generator
+
+maintainers:
+ - Xingyu Wu <xingyu.wu@...rfivetech.com>
+
+properties:
+ compatible:
+ const: starfive,jh7110-stgcrg
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Main Oscillator (24 MHz)
+ - description: HIFI4 core
+ - description: STG AXI/AHB
+ - description: USB (125 MHz)
+ - description: CPU Bus
+ - description: HIFI4 Axi
+ - description: NOC STG Bus
+ - description: APB Bus
+
+ clock-names:
+ items:
+ - const: osc
+ - const: hifi4_core
+ - const: stg_axiahb
+ - const: usb_125m
+ - const: cpu_bus
+ - const: hifi4_axi
+ - const: nocstg_bus
+ - const: apb_bus
+
+ '#clock-cells':
+ const: 1
+ description:
+ See <dt-bindings/clock/starfive,jh7110-crg.h> for valid indices.
+
+ '#reset-cells':
+ const: 1
+ description:
+ See <dt-bindings/reset/starfive,jh7110-crg.h> for valid indices.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - '#clock-cells'
+ - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/starfive,jh7110-crg.h>
+
+ stgcrg: clock-controller@...30000 {
+ compatible = "starfive,jh7110-stgcrg";
+ reg = <0x10230000 0x10000>;
+ clocks = <&osc>,
+ <&syscrg JH7110_SYSCLK_HIFI4_CORE>,
+ <&syscrg JH7110_SYSCLK_STG_AXIAHB>,
+ <&syscrg JH7110_SYSCLK_USB_125M>,
+ <&syscrg JH7110_SYSCLK_CPU_BUS>,
+ <&syscrg JH7110_SYSCLK_HIFI4_AXI>,
+ <&syscrg JH7110_SYSCLK_NOCSTG_BUS>,
+ <&syscrg JH7110_SYSCLK_APB_BUS>;
+ clock-names = "osc", "hifi4_core",
+ "stg_axiahb", "usb_125m",
+ "cpu_bus", "hifi4_axi",
+ "nocstg_bus", "apb_bus";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
diff --git a/include/dt-bindings/clock/starfive,jh7110-crg.h b/include/dt-bindings/clock/starfive,jh7110-crg.h
index 06257bfd9ac1..6c8e8b4cf1f6 100644
--- a/include/dt-bindings/clock/starfive,jh7110-crg.h
+++ b/include/dt-bindings/clock/starfive,jh7110-crg.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/*
* Copyright 2022 Emil Renner Berthing <kernel@...il.dk>
+ * Copyright 2022 StarFive Technology Co., Ltd.
*/
#ifndef __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__
@@ -218,4 +219,37 @@
#define JH7110_AONCLK_END 14
+/* STGCRG clocks */
+#define JH7110_STGCLK_HIFI4_CLK_CORE 0
+#define JH7110_STGCLK_USB0_APB 1
+#define JH7110_STGCLK_USB0_UTMI_APB 2
+#define JH7110_STGCLK_USB0_AXI 3
+#define JH7110_STGCLK_USB0_LPM 4
+#define JH7110_STGCLK_USB0_STB 5
+#define JH7110_STGCLK_USB0_APP_125 6
+#define JH7110_STGCLK_USB0_REFCLK 7
+#define JH7110_STGCLK_PCIE0_AXI_MST0 8
+#define JH7110_STGCLK_PCIE0_APB 9
+#define JH7110_STGCLK_PCIE0_TL 10
+#define JH7110_STGCLK_PCIE1_AXI_MST0 11
+#define JH7110_STGCLK_PCIE1_APB 12
+#define JH7110_STGCLK_PCIE1_TL 13
+#define JH7110_STGCLK_PCIE_SLV_MAIN 14
+#define JH7110_STGCLK_SEC_AHB 15
+#define JH7110_STGCLK_SEC_MISC_AHB 16
+#define JH7110_STGCLK_GRP0_MAIN 17
+#define JH7110_STGCLK_GRP0_BUS 18
+#define JH7110_STGCLK_GRP0_STG 19
+#define JH7110_STGCLK_GRP1_MAIN 20
+#define JH7110_STGCLK_GRP1_BUS 21
+#define JH7110_STGCLK_GRP1_STG 22
+#define JH7110_STGCLK_GRP1_HIFI 23
+#define JH7110_STGCLK_E2_RTC 24
+#define JH7110_STGCLK_E2_CORE 25
+#define JH7110_STGCLK_E2_DBG 26
+#define JH7110_STGCLK_DMA1P_AXI 27
+#define JH7110_STGCLK_DMA1P_AHB 28
+
+#define JH7110_STGCLK_END 29
+
#endif /* __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ */
diff --git a/include/dt-bindings/reset/starfive,jh7110-crg.h b/include/dt-bindings/reset/starfive,jh7110-crg.h
index d78e38690ceb..4e96ab81dd8e 100644
--- a/include/dt-bindings/reset/starfive,jh7110-crg.h
+++ b/include/dt-bindings/reset/starfive,jh7110-crg.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/*
* Copyright (C) 2022 Emil Renner Berthing <kernel@...il.dk>
+ * Copyright (C) 2022 StarFive Technology Co., Ltd.
*/
#ifndef __DT_BINDINGS_RESET_STARFIVE_JH7110_CRG_H__
@@ -151,4 +152,31 @@
#define JH7110_AONRST_END 8
+/* STGCRG resets */
+#define JH7110_STGRST_SYSCON 0
+#define JH7110_STGRST_HIFI4_CORE 1
+#define JH7110_STGRST_HIFI4_AXI 2
+#define JH7110_STGRST_SEC_AHB 3
+#define JH7110_STGRST_E24_CORE 4
+#define JH7110_STGRST_DMA1P_AXI 5
+#define JH7110_STGRST_DMA1P_AHB 6
+#define JH7110_STGRST_USB0_AXI 7
+#define JH7110_STGRST_USB0_APB 8
+#define JH7110_STGRST_USB0_UTMI_APB 9
+#define JH7110_STGRST_USB0_PWRUP 10
+#define JH7110_STGRST_PCIE0_AXI_MST0 11
+#define JH7110_STGRST_PCIE0_AXI_SLV0 12
+#define JH7110_STGRST_PCIE0_AXI_SLV 13
+#define JH7110_STGRST_PCIE0_BRG 14
+#define JH7110_STGRST_PCIE0_CORE 15
+#define JH7110_STGRST_PCIE0_APB 16
+#define JH7110_STGRST_PCIE1_AXI_MST0 17
+#define JH7110_STGRST_PCIE1_AXI_SLV0 18
+#define JH7110_STGRST_PCIE1_AXI_SLV 19
+#define JH7110_STGRST_PCIE1_BRG 20
+#define JH7110_STGRST_PCIE1_CORE 21
+#define JH7110_STGRST_PCIE1_APB 22
+
+#define JH7110_STGRST_END 23
+
#endif /* __DT_BINDINGS_RESET_STARFIVE_JH7110_CRG_H__ */
--
2.25.1
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