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Message-ID: <f84dd621094745b2b0328ae9f47a7143@EXMBX066.cuchost.com>
Date: Tue, 12 Dec 2023 02:48:02 +0000
From: JeeHeng Sia <jeeheng.sia@...rfivetech.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
"kernel@...il.dk" <kernel@...il.dk>,
"conor@...nel.org" <conor@...nel.org>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"krzysztof.kozlowski+dt@...aro.org"
<krzysztof.kozlowski+dt@...aro.org>,
"paul.walmsley@...ive.com" <paul.walmsley@...ive.com>,
"palmer@...belt.com" <palmer@...belt.com>,
"aou@...s.berkeley.edu" <aou@...s.berkeley.edu>,
"mturquette@...libre.com" <mturquette@...libre.com>,
"sboyd@...nel.org" <sboyd@...nel.org>,
"p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
"emil.renner.berthing@...onical.com"
<emil.renner.berthing@...onical.com>,
Hal Feng <hal.feng@...rfivetech.com>,
Xingyu Wu <xingyu.wu@...rfivetech.com>
CC: "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
Leyfoon Tan <leyfoon.tan@...rfivetech.com>
Subject: RE: [PATCH v1 07/16] dt-bindings: clock: Add StarFive JH8100
System-North-West clock and reset generator
> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Sent: Saturday, December 9, 2023 1:54 AM
> To: JeeHeng Sia <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
> <hal.feng@...rfivetech.com>; Xingyu Wu <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
> <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.
Noted.
>
> > +
> > + '#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.
Noted.
>
>
> > + 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.
Noted.
>
>
> > #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.
Noted.
>
>
>
> Best regards,
> Krzysztof
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