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Message-Id: <20240110133128.286657-8-jeeheng.sia@starfivetech.com>
Date: Wed, 10 Jan 2024 21:31:19 +0800
From: Sia Jee Heng <jeeheng.sia@...rfivetech.com>
To: kernel@...il.dk,
conor@...nel.org,
robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
paul.walmsley@...ive.com,
palmer@...belt.com,
aou@...s.berkeley.edu,
mturquette@...libre.com,
sboyd@...nel.org,
p.zabel@...gutronix.de,
emil.renner.berthing@...onical.com,
hal.feng@...rfivetech.com,
xingyu.wu@...rfivetech.com
Cc: linux-riscv@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org,
jeeheng.sia@...rfivetech.com,
leyfoon.tan@...rfivetech.com,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [RFC v3 07/16] dt-bindings: clock: Add StarFive JH8100 North-West clock and reset generator
Add bindings for the North-West clock and reset generator (NWCRG) on
JH8100 SoC.
Signed-off-by: Sia Jee Heng <jeeheng.sia@...rfivetech.com>
Reviewed-by: Ley Foon Tan <leyfoon.tan@...rfivetech.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
.../bindings/clock/starfive,jh8100-nwcrg.yaml | 119 ++++++++++++++++++
.../dt-bindings/clock/starfive,jh8100-crg.h | 43 +++++++
.../dt-bindings/reset/starfive,jh8100-crg.h | 14 +++
3 files changed, 176 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh8100-nwcrg.yaml
diff --git a/Documentation/devicetree/bindings/clock/starfive,jh8100-nwcrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh8100-nwcrg.yaml
new file mode 100644
index 000000000000..be0f94e64e6a
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/starfive,jh8100-nwcrg.yaml
@@ -0,0 +1,119 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/starfive,jh8100-nwcrg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH8100 North-West Clock and Reset Generator
+
+maintainers:
+ - Sia Jee Heng <jeeheng.sia@...rfivetech.com>
+
+properties:
+ compatible:
+ const: starfive,jh8100-nwcrg
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Main Oscillator (24 MHz)
+ - description: APB_BUS clock from SYSCRG
+ - description: APB_BUS_PER4 clock from SYSCRG
+ - description: SPI_CORE_100 clock from SYSCRG
+ - description: ISP_2X clock from SYSCRG
+ - description: ISP_AXI clock from SYSCRG
+ - description: VOUT_ROOT0 clock from SYSCRG
+ - description: VOUT_ROOT1 clock from SYSCRG
+ - description: VOUT_SCAN_ATS clock from SYSCRG
+ - description: VOUT_DC_CORE clock from SYSCRG
+ - description: VOUT_AXI clock from SYSCRG
+ - description: AXI_400 clock from SYSCRG
+ - description: AHB0 clock from SYSCRG
+ - description: PERH_ROOT_PREOSC from SYSCRG
+ - description: External DVP clock
+ - description: External ISP DPHY TAP TCK clock
+ - description: External golbal clock
+ - description: External VOUT MIPI DPHY TAP TCK
+ - description: External VOUT eDP TAP TCK
+ - description: External SPI In2 clock
+ - description: PLL5
+
+ clock-names:
+ items:
+ - const: osc
+ - const: apb_bus
+ - const: apb_bus_per4
+ - const: spi_core_100
+ - const: isp_2x
+ - const: isp_axi
+ - const: vout_root0
+ - const: vout_root1
+ - const: vout_scan_ats
+ - const: vout_dc_core
+ - const: vout_axi
+ - const: axi_400
+ - const: ahb0
+ - const: perh_root_preosc
+ - const: dvp-ext
+ - const: isp-dphy-tap-tck-ext
+ - const: glb-ext-clk
+ - const: vout-mipi-dphy-tap-tck-ext
+ - const: vout-edp-tap-tck-ext
+ - const: spi-in2-ext
+ - const: pll5
+
+ '#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@...c0000 {
+ compatible = "starfive,jh8100-nwcrg";
+ reg = <0x123c0000 0x10000>;
+ clocks = <&osc>, <&syscrg JH8100_SYSCLK_APB_BUS>,
+ <&syscrg JH8100_SYSCLK_APB_BUS_PER4>,
+ <&syscrh JH8100_SYSCLK_SPI_CORE_100>,
+ <&syscrg JH8100_SYSCLK_ISP_2X>,
+ <&syscrg JH8100_SYSCLK_ISP_AXI>,
+ <&syscrg JH8100_SYSCLK_VOUT_ROOT0>,
+ <&syscrg JH8100_SYSCLK_VOUT_ROOT1>,
+ <&syscrg JH8100_SYSCLK_VOUT_SCAN_ATS>,
+ <&syscrg JH8100_SYSCLK_VOUT_DC_CORE>,
+ <&syscrg JH8100_SYSCLK_VOUT_AXI>,
+ <&syscrg JH8100_SYSCLK_AXI_400>,
+ <&syscrg JH8100_SYSCLK_AHB0>,
+ <&syscrg JH8100_SYSCLK_PERH_ROOT_PREOSC>,
+ <&dvp_ext>, <&isp_dphy_tap_tck_ext>,
+ <&glb_ext_clk>, <&vout_mipi_dphy_tap_tck_ext>,
+ <&vout_edp_tap_tck_ext>, <&spi_in2_ext>, <&pll5>;
+ clock-names = "osc", "apb_bus", "apb_bus_per4", "spi_core_100",
+ "isp_2x", "isp_axi", "vout_root0", "vout_root1",
+ "vout_scan_ats", "vout_dc_core", "vout_axi",
+ "axi_400", "ahb0", "perh_root_preosc", "dvp-ext",
+ "isp-dphy-tap-tck-ext", "glb-ext-clk",
+ "vout-mipi-dphy-tap-tck-ext", "vout-edp-tap-tck-ext",
+ "spi-in2-ext", "pll5";
+ #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 611613961e17..626173e14940 100644
--- a/include/dt-bindings/clock/starfive,jh8100-crg.h
+++ b/include/dt-bindings/clock/starfive,jh8100-crg.h
@@ -119,4 +119,47 @@
#define JH8100_SYSCLK_HD_AUDIO_ICG_EN 107
#define JH8100_SYSCLK_NNE_ICG_EN 108
+/* NWCRG clocks */
+#define JH8100_NWCLK_PLL5_DIV2 0
+#define JH8100_NWCLK_GCLK5 1
+#define JH8100_NWCLK_GPIO_100 2
+#define JH8100_NWCLK_GPIO_50 3
+#define JH8100_NWCLK_GPIO_150 4
+#define JH8100_NWCLK_GPIO_60 5
+#define JH8100_NWCLK_IOMUX_WEST_PCLK 6
+#define JH8100_NWCLK_I2C6_APB 7
+#define JH8100_NWCLK_I2C7_APB 8
+#define JH8100_NWCLK_SPI2_APB 9
+#define JH8100_NWCLK_SPI2_CORE 10
+#define JH8100_NWCLK_SPI2_SCLK_IN 11
+#define JH8100_NWCLK_SMBUS1_APB 12
+#define JH8100_NWCLK_SMBUS1_CORE 13
+#define JH8100_NWCLK_ISP_DVP 14
+#define JH8100_NWCLK_ISP_CORE_2X 15
+#define JH8100_NWCLK_ISP_AXI 16
+#define JH8100_NWCLK_ISP_DPHY_TAP_TCK 17
+#define JH8100_NWCLK_FLEXNOC_ISPSLV 18
+#define JH8100_NWCLK_VOUT_PIX0 19
+#define JH8100_NWCLK_VOUT_PIX1 20
+#define JH8100_NWCLK_VOUT_SCAN_ATS 21
+#define JH8100_NWCLK_VOUT_DC_CORE 22
+#define JH8100_NWCLK_VOUT_APB 23
+#define JH8100_NWCLK_VOUT_DSI 24
+#define JH8100_NWCLK_VOUT_AHB 25
+#define JH8100_NWCLK_VOUT_AXI 26
+#define JH8100_NWCLK_VOUT_MIPI_DPHY_TAP_TCK 27
+#define JH8100_NWCLK_VOUT_EDP_PHY_TAP_TCK 28
+#define JH8100_NWCLK_UART5_CORE_PREOSC 29
+#define JH8100_NWCLK_UART5_APB 30
+#define JH8100_NWCLK_UART5_CORE 31
+#define JH8100_NWCLK_UART6_CORE_PREOSC 32
+#define JH8100_NWCLK_UART6_APB 33
+#define JH8100_NWCLK_UART6_CORE 34
+#define JH8100_NWCLK_SPI2_ICG_EN 35
+#define JH8100_NWCLK_SMBUS1_ICG_EN 36
+#define JH8100_NWCLK_ISP_ICG_EN 37
+#define JH8100_NWCLK_VOUT_ICG_EN 38
+#define JH8100_NWCLK_UART5_ICG_EN 39
+#define JH8100_NWCLK_UART6_ICG_EN 40
+
#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 c4e2501491ab..b25f6522f3d4 100644
--- a/include/dt-bindings/reset/starfive,jh8100-crg.h
+++ b/include/dt-bindings/reset/starfive,jh8100-crg.h
@@ -18,4 +18,18 @@
#define JH8100_SYSRST_NNE 6
#define JH8100_SYSRST_HD_AUDIO 7
+/*
+ * NWCRG resets: assert0
+ */
+#define JH8100_NWRST_PRESETN 0
+#define JH8100_NWRST_SYS_IOMUX_W 1
+#define JH8100_NWRST_I2C6 2
+#define JH8100_NWRST_I2C7 3
+#define JH8100_NWRST_SPI2 4
+#define JH8100_NWRST_SMBUS1 5
+#define JH8100_NWRST_UART5 6
+#define JH8100_NWRST_UART6 7
+#define JH8100_NWRST_MERAK0_TVSENSOR 8
+#define JH8100_NWRST_MERAK1_TVSENSOR 9
+
#endif /* __DT_BINDINGS_RESET_STARFIVE_JH8100_H__ */
--
2.34.1
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