[RFC v3 13/16] dt-bindings: clock: Add StarFive JH8100 Always-On clock and reset generator

From: Sia Jee Heng <jeeheng.sia@starfivetech.com>
To: kernel@esmil.dk, conor@kernel.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, paul.walmsley@sifive.com,
	palmer@dabbelt.com, aou@eecs.berkeley.edu,
	mturquette@baylibre.com, sboyd@kernel.org,
	p.zabel@pengutronix.de, emil.renner.berthing@canonical.com,
	hal.feng@starfivetech.com, xingyu.wu@starfivetech.com
Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	jeeheng.sia@starfivetech.com, leyfoon.tan@starfivetech.com,
	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [RFC v3 13/16] dt-bindings: clock: Add StarFive JH8100 Always-On clock and reset generator
Date: Wed, 10 Jan 2024 21:31:25 +0800	[thread overview]
Message-ID: <20240110133128.286657-14-jeeheng.sia@starfivetech.com> (raw)
In-Reply-To: <20240110133128.286657-1-jeeheng.sia@starfivetech.com>

Add bindings for the Always-On clock and reset generator (AONCRG) on
JH8100 SoC.

Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com>
Reviewed-by: Ley Foon Tan <leyfoon.tan@starfivetech.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 .../clock/starfive,jh8100-aoncrg.yaml         | 74 +++++++++++++++++++
 .../dt-bindings/clock/starfive,jh8100-crg.h   | 67 +++++++++++++++++
 .../dt-bindings/reset/starfive,jh8100-crg.h   | 16 ++++
 3 files changed, 157 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh8100-aoncrg.yaml

diff --git a/Documentation/devicetree/bindings/clock/starfive,jh8100-aoncrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh8100-aoncrg.yaml
new file mode 100644
index 000000000000..4ae1ef827fc9
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/starfive,jh8100-aoncrg.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/starfive,jh8100-aoncrg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH8100 Always-On Clock and Reset Generator
+
+maintainers:
+  - Sia Jee Heng <jeeheng.sia@starfivetech.com>
+
+properties:
+  compatible:
+    const: starfive,jh8100-aoncrg
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Main Oscillator (24 MHz)
+      - description: GMAC0 RMII func
+      - description: GMAC0 RGMII func
+      - description: AON 125MHz clock
+      - description: AON 2000MHz clock
+      - description: AON 200MHz clock
+      - description: AON 667MHz clock
+      - description: RTC clock
+
+  clock-names:
+    items:
+      - const: osc
+      - const: gmac0-rmii-func
+      - const: gmac0-rgmii-func
+      - const: aon125
+      - const: aon2000
+      - const: aon200
+      - const: aon667
+      - const: rtc
+
+  '#clock-cells':
+    const: 1
+    description:
+      See <dt-bindings/clock/starfive,jh8100-crg.h> for valid indices.
+
+  '#reset-cells':
+    const: 1
+    description:
+      See <dt-bindings/reset/starfive,jh8100-crg.h> for valid indices.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+  - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/starfive,jh8100-crg.h>
+
+    clock-controller@1f310000 {
+        compatible = "starfive,jh8100-aoncrg";
+        reg = <0x1f310000 0x10000>;
+        clocks = <&osc>, <&gmac0_rmii_func>, <&gmac0_rgmii_func>, <&aon125>,
+                 <&aon2000>, <&aon200>, <&aon667>, <&rtc>;
+        clock-names = "osc", "gmac0-rmii-func", "gmac0-rgmii-func", "aon125",
+                      "aon2000", "aon200", "aon667", "rtc";
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+    };
diff --git a/include/dt-bindings/clock/starfive,jh8100-crg.h b/include/dt-bindings/clock/starfive,jh8100-crg.h
index 7b337c1495be..8207d5a2f4b3 100644
--- a/include/dt-bindings/clock/starfive,jh8100-crg.h
+++ b/include/dt-bindings/clock/starfive,jh8100-crg.h
@@ -351,4 +351,71 @@
 #define JH8100_SWCLK_JPEG_ICG_EN					8
 #define JH8100_SWCLK_VDEC_ICG_EN					9
 
+/* AONCRG clocks */
+#define JH8100_AONCLK_GMAC0_RMII_REFIN					0
+#define JH8100_AONCLK_GMAC0_RGMII_RXIN					1
+#define JH8100_AONCLK_GMAC0_GTXCLK					2
+#define JH8100_AONCLK_AON_1000						3
+#define JH8100_AONCLK_AON_400						4
+#define JH8100_AONCLK_AON_400_POSTOSC					5
+#define JH8100_AONCLK_AON_500						6
+#define JH8100_AONCLK_AON_500_POSTOSC					7
+#define JH8100_AONCLK_XSPI_PHY						8
+#define JH8100_AONCLK_AON_100						9
+#define JH8100_AONCLK_AON_100_POSTOSC					10
+#define JH8100_AONCLK_AON_50_POSTOSC					11
+#define JH8100_AONCLK_DDR50_POSTOCC_ICG					12
+#define JH8100_AONCLK_DDR100_POSTOCC_ICG				13
+#define JH8100_AONCLK_PUFRT_APB						14
+#define JH8100_AONCLK_RTC_HMS_APB					15
+#define JH8100_AONCLK_RTC_INTERNAL					16
+#define JH8100_AONCLK_RTC_HMS_OSC32K					17
+#define JH8100_AONCLK_RTC_HMS_CAL					18
+#define JH8100_AONCLK_GMAC0_AXI128_AHB					19
+#define JH8100_AONCLK_GMAC0_AXI128_MSTRCLK				20
+#define JH8100_AONCLK_GMAC0_AXI128_AXI					21
+#define JH8100_AONCLK_GMAC0_RMII_RTX					22
+#define JH8100_AONCLK_GMAC0_AXI128_TX					23
+#define JH8100_AONCLK_GMAC0_AXI128_TX_INV				24
+#define JH8100_AONCLK_GMAC0_AXI128_RX					25
+#define JH8100_AONCLK_GMAC0_AXI128_RX_INV				26
+#define JH8100_AONCLK_GMAC0_GTXC					27
+#define JH8100_AONCLK_XSPI_AXI						28
+#define JH8100_AONCLK_XSPI_APB						29
+#define JH8100_AONCLK_XSPI_XSPI_PHY					30
+#define JH8100_AONCLK_TVSENSOR_PCLK					31
+#define JH8100_AONCLK_TVSENSOR_TSADC					32
+#define JH8100_AONCLK_TVSENSOR_BG					33
+#define JH8100_AONCLK_MEU_PCLK_AP					34
+#define JH8100_AONCLK_MEU_PCLK_SCP					35
+#define JH8100_AONCLK_MEU_MEM_AXI					36
+#define JH8100_AONCLK_AXIMEM_128B_ACLK					37
+#define JH8100_AONCLK_APB2BISR_APB					38
+#define JH8100_AONCLK_APB2BISR_BISR					39
+#define JH8100_AONCLK_EMMC_S_PCLK					40
+#define JH8100_AONCLK_EMMC_MSTRCLK					41
+#define JH8100_AONCLK_EMMC						42
+#define JH8100_AONCLK_EMMC_SDMCLK					43
+#define JH8100_AONCLK_EMMC_SDPHY_PCLK					44
+#define JH8100_AONCLK_SDIO0_PCLK					45
+#define JH8100_AONCLK_SDIO0_MSTRCLK					46
+#define JH8100_AONCLK_SDIO0						47
+#define JH8100_AONCLK_SDIO0_SDMCLK					48
+#define JH8100_AONCLK_SDIO0_SDPHY_PCLK					49
+#define JH8100_AONCLK_HCLK						50
+#define JH8100_AONCLK_ACLK						51
+#define JH8100_AONCLK_PERF_MSTRCLK					52
+#define JH8100_AONCLK_PERF_SLVCLK					53
+#define JH8100_AONCLK_GCLK0						54
+#define JH8100_AONCLK_GCLK_OSC						55
+#define JH8100_AONCLK_RTC_ICG_EN					56
+#define JH8100_AONCLK_GMAC0_ICG_EN					57
+#define JH8100_AONCLK_XSPI_ICG_EN					58
+#define JH8100_AONCLK_TVSENSOR0_ICG_EN					59
+#define JH8100_AONCLK_MEU_ICG_EN					60
+#define JH8100_AONCLK_APB2BISR_ICG_EN					61
+#define JH8100_AONCLK_EMMC_ICG_EN					62
+#define JH8100_AONCLK_SDIO0_ICG_EN					63
+#define JH8100_AONCLK_TOP_ICG_EN					64
+
 #endif /* __DT_BINDINGS_CLOCK_STARFIVE_JH8100_H__ */
diff --git a/include/dt-bindings/reset/starfive,jh8100-crg.h b/include/dt-bindings/reset/starfive,jh8100-crg.h
index de4f25dc301d..23f15d4be22f 100644
--- a/include/dt-bindings/reset/starfive,jh8100-crg.h
+++ b/include/dt-bindings/reset/starfive,jh8100-crg.h
@@ -99,4 +99,20 @@
 #define JH8100_SWRST_VC9000D					2
 #define JH8100_SWRST_DDR_TVSENSOR				3
 
+/*
+ * AONCRG resets: assert0
+ */
+#define JH8100_AONRST_AON_IOMUX_PRESETN				0
+#define JH8100_AONRST_RTC					1
+#define JH8100_AONRST_GMAC0					2
+#define JH8100_AONRST_XSPI					3
+#define JH8100_AONRST_TVSENSOR					4
+#define JH8100_AONRST_MEU					5
+#define JH8100_AONRST_AXIMEM_128B_ARESET			6
+#define JH8100_AONRST_DFT_APB2BISR_APB				7
+#define JH8100_AONRST_SDIO0					8
+#define JH8100_AONRST_EMMC					9
+#define JH8100_AONRST_TOP					10
+#define JH8100_AONRST_IRQ_CTRL					11
+
 #endif /* __DT_BINDINGS_RESET_STARFIVE_JH8100_H__ */
-- 
2.34.1


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