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Message-ID: <452ec1ad-2f01-4f18-be16-94fb7cc583e1@linaro.org>
Date: Fri, 8 Dec 2023 18:53:44 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Sia Jee Heng <jeeheng.sia@...rfivetech.com>, 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,
leyfoon.tan@...rfivetech.com
Subject: Re: [PATCH v1 07/16] dt-bindings: clock: Add StarFive JH8100
System-North-West clock and reset generator
On 06/12/2023 12:49, Sia Jee Heng wrote:
> Add bindings for the System-North-West clock and reset generator
> (SYSCRG-NW) on JH8100 SoC.
>
> Signed-off-by: Sia Jee Heng <jeeheng.sia@...rfivetech.com>
> Reviewed-by: Ley Foon Tan <leyfoon.tan@...rfivetech.com>
> ---
> .../clock/starfive,jh8100-syscrg-nw.yaml | 119 ++++++++++++++++++
> .../dt-bindings/clock/starfive,jh8100-crg.h | 45 +++++++
> .../dt-bindings/reset/starfive,jh8100-crg.h | 15 +++
> 3 files changed, 179 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh8100-syscrg-nw.yaml
>
> diff --git a/Documentation/devicetree/bindings/clock/starfive,jh8100-syscrg-nw.yaml b/Documentation/devicetree/bindings/clock/starfive,jh8100-syscrg-nw.yaml
> new file mode 100644
> index 000000000000..b16a874828dd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/starfive,jh8100-syscrg-nw.yaml
> @@ -0,0 +1,119 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/starfive,jh8100-syscrg-nw.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: StarFive JH8100 System-North-West Clock and Reset Generator
> +
> +maintainers:
> + - Sia Jee Heng <jeeheng.sia@...rfivetech.com>
> +
> +properties:
> + compatible:
> + const: starfive,jh8100-syscrg-nw
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: Main Oscillator (24 MHz)
> + - description: APB_BUS 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: AXI_200 clock from SYSCRG
> + - description: Peripheral clock from SYSCRG
> + - description: External DVP clock
> + - description: External ISP DPHY TAP TCK clock
> + - description: External golbal clock
> + - description: External i2s_tscko clock
> + - description: External VOUT MIPI DPHY TAP TCK
> + - description: External VOUT eDP TAP TCK
> + - description: External SPI In2 clock
> +
> + clock-names:
> + items:
> + - const: clk_osc
> + - const: sys_clk_apb_bus
> + - const: sys_clk_isp_2x
> + - const: sys_clk_isp_axi
> + - const: sys_clk_vout_root0
> + - const: sys_clk_vout_root1
> + - const: sys_clk_vout_scan_ats
> + - const: sys_clk_vout_dc_core
> + - const: sys_clk_vout_axi
> + - const: sys_clk_axi_400
> + - const: sys_clk_axi_200
> + - const: sys_clk_perh_root_preosc
> + - const: clk_dvp_ext
> + - const: clk_isp_dphy_tap_tck_ext
> + - const: clk_glb_ext_clk
> + - const: clk_i2s_tscko
> + - const: clk_vout_mipi_dphy_tap_tck_ext
> + - const: clk_vout_edp_tap_tck_ext
> + - const: clk_spi_in2_ext
Same comments as for other patch.
> +
> + '#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-syscrg-nw";
Same comments as for other patch.
> + reg = <0x123c0000 0x10000>;
> + clocks = <&clk_osc>, <&syscrg SYSCRG_CLK_APB_BUS>,
> + <&syscrg SYSCRG_CLK_ISP_2X>,
> + <&syscrg SYSCRG_CLK_ISP_AXI>,
> + <&syscrg SYSCRG_CLK_VOUT_ROOT0>,
> + <&syscrg SYSCRG_CLK_VOUT_ROOT1>,
> + <&syscrg SYSCRG_CLK_VOUT_SCAN_ATS>,
> + <&syscrg SYSCRG_CLK_VOUT_DC_CORE>,
> + <&syscrg SYSCRG_CLK_VOUT_AXI>,
> + <&syscrg SYSCRG_CLK_AXI_400>,
> + <&syscrg SYSCRG_CLK_AXI_200>,
> + <&syscrg SYSCRG_CLK_PERH_ROOT_PREOSC>,
> + <&clk_dvp_ext>,
> + <&clk_isp_dphy_tap_tck_ext>,
> + <&clk_glb_ext_clk>,
> + <&clk_i2s_tscko>,
> + <&clk_vout_mipi_dphy_tap_tck_ext>,
> + <&clk_vout_edp_tap_tck_ext>,
> + <&clk_spi_in2_ext>;
> + clock-names = "clk_osc", "sys_clk_apb_bus", "sys_clk_isp_2x",
> + "sys_clk_isp_axi", "sys_clk_vout_root0",
> + "sys_clk_vout_root1", "sys_clk_vout_scan_ats",
> + "sys_clk_vout_dc_core", "sys_clk_vout_axi",
> + "sys_clk_axi_400", "sys_clk_axi_200",
> + "sys_clk_perh_root_preosc", "clk_dvp_ext",
> + "clk_isp_dphy_tap_tck_ext", "clk_glb_ext_clk",
> + "clk_i2s_tscko", "clk_vout_mipi_dphy_tap_tck_ext",
> + "clk_vout_edp_tap_tck_ext", "clk_spi_in2_ext";
> + #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 e5bb588ce798..8417455c2409 100644
> --- a/include/dt-bindings/clock/starfive,jh8100-crg.h
> +++ b/include/dt-bindings/clock/starfive,jh8100-crg.h
> @@ -120,4 +120,49 @@
> #define SYSCRG_CLK_NNE_ICG_EN 108
>
> #define SYSCRG_CLK_END 109
> +
> +/* SYSCRG_NW_CLK */
> +#define SYSCRG_NW_CLK_PLL5_DIV2 0
> +#define SYSCRG_NW_CLK_GCLK5 1
> +#define SYSCRG_NW_CLK_GPIO_100 2
> +#define SYSCRG_NW_CLK_GPIO_50 3
> +#define SYSCRG_NW_CLK_GPIO_150 4
> +#define SYSCRG_NW_CLK_GPIO_60 5
> +#define SYSCRG_NW_CLK_IOMUX_WEST_PCLK 6
> +#define SYSCRG_NW_CLK_I2C6_APB 7
> +#define SYSCRG_NW_CLK_I2C7_APB 8
> +#define SYSCRG_NW_CLK_SPI2_APB 9
> +#define SYSCRG_NW_CLK_SPI2_CORE 10
> +#define SYSCRG_NW_CLK_SPI2_SCLK_IN 11
> +#define SYSCRG_NW_CLK_SMBUS1_APB 12
> +#define SYSCRG_NW_CLK_SMBUS1_CORE 13
> +#define SYSCRG_NW_CLK_ISP_DVP 14
> +#define SYSCRG_NW_CLK_ISP_CORE_2X 15
> +#define SYSCRG_NW_CLK_ISP_AXI 16
> +#define SYSCRG_NW_CLK_ISP_DPHY_TAP_TCK 17
> +#define SYSCRG_NW_CLK_FLEXNOC_ISPSLV 18
> +#define SYSCRG_NW_CLK_VOUT_PIX0 19
> +#define SYSCRG_NW_CLK_VOUT_PIX1 20
> +#define SYSCRG_NW_CLK_VOUT_SCAN_ATS 21
> +#define SYSCRG_NW_CLK_VOUT_DC_CORE 22
> +#define SYSCRG_NW_CLK_VOUT_APB 23
> +#define SYSCRG_NW_CLK_VOUT_DSI 24
> +#define SYSCRG_NW_CLK_VOUT_AHB 25
> +#define SYSCRG_NW_CLK_VOUT_AXI 26
> +#define SYSCRG_NW_CLK_VOUT_MIPI_DPHY_TAP_TCK 27
> +#define SYSCRG_NW_CLK_VOUT_EDP_PHY_TAP_TCK 28
> +#define SYSCRG_NW_CLK_UART5_CORE_PREOSC 29
> +#define SYSCRG_NW_CLK_UART5_APB 30
> +#define SYSCRG_NW_CLK_UART5_CORE 31
> +#define SYSCRG_NW_CLK_UART6_CORE_PREOSC 32
> +#define SYSCRG_NW_CLK_UART6_APB 33
> +#define SYSCRG_NW_CLK_UART6_CORE 34
> +#define SYSCRG_NW_CLK_SPI2_ICG_EN 35
> +#define SYSCRG_NW_CLK_SMBUS1_ICG_EN 36
> +#define SYSCRG_NW_CLK_ISP_ICG_EN 37
> +#define SYSCRG_NW_CLK_VOUT_ICG_EN 38
> +#define SYSCRG_NW_CLK_UART5_ICG_EN 39
> +#define SYSCRG_NW_CLK_UART6_ICG_EN 40
> +
> +#define SYSCRG_NW_CLK_END 41
Same comments as for other patch.
> #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 3b7b92488e76..8c3a858bdf6a 100644
> --- a/include/dt-bindings/reset/starfive,jh8100-crg.h
> +++ b/include/dt-bindings/reset/starfive,jh8100-crg.h
> @@ -20,4 +20,19 @@
>
> #define SYSCRG_RESET_NR_RESETS 8
>
> +/*
> + * syscrg_nw: assert0
> + */
> +#define SYSCRG_NW_RSTN_PRESETN 0
> +#define SYSCRG_NW_RSTN_SYS_IOMUX_W 1
> +#define SYSCRG_NW_RSTN_I2C6 2
> +#define SYSCRG_NW_RSTN_I2C7 3
> +#define SYSCRG_NW_RSTN_SPI2 4
> +#define SYSCRG_NW_RSTN_SMBUS1 5
> +#define SYSCRG_NW_RSTN_UART5 6
> +#define SYSCRG_NW_RSTN_UART6 7
> +#define SYSCRG_NW_RSTN_MERAK0_TVSENSOR 8
> +#define SYSCRG_NW_RSTN_MERAK1_TVSENSOR 9
> +
> +#define SYSCRG_NW_RESET_NR_RESETS 10
Same comments as for other patch.
Best regards,
Krzysztof
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