[PATCH 1/2] dt-bindings: clock: sifive: sync FU740 PRCI clock binding header

Leo Liang ycliang at andestech.com
Tue Aug 30 05:26:14 CEST 2022


Hi Icenowy,
On Thu, Aug 25, 2022 at 04:11:18PM +0800, Icenowy Zheng wrote:
> This commit sychornizes the header file for FU740 PRCI clocks with the
> one from Linux 5.19.
> 
> The constant values are the same, but all constant names are changed
> (most are just prefixed with FU740_).
> 
> Signed-off-by: Icenowy Zheng <uwu at icenowy.me>
> ---
>  arch/riscv/dts/fu740-c000-u-boot.dtsi         | 16 +++++------
>  arch/riscv/dts/fu740-c000.dtsi                | 28 +++++++++----------
>  drivers/clk/sifive/fu740-prci.c               | 18 ++++++------
>  drivers/clk/sifive/sifive-prci.c              |  4 +--
>  include/dt-bindings/clock/sifive-fu740-prci.h | 25 ++++++++---------
>  5 files changed, 45 insertions(+), 46 deletions(-)
> 
> diff --git a/arch/riscv/dts/fu740-c000-u-boot.dtsi b/arch/riscv/dts/fu740-c000-u-boot.dtsi
> index a6f7a0873e..917e9bf163 100644
> --- a/arch/riscv/dts/fu740-c000-u-boot.dtsi
> +++ b/arch/riscv/dts/fu740-c000-u-boot.dtsi
> @@ -7,11 +7,11 @@
>  
>  / {
>  	cpus {
> -		assigned-clocks = <&prci PRCI_CLK_COREPLL>;
> +		assigned-clocks = <&prci FU740_PRCI_CLK_COREPLL>;
>  		assigned-clock-rates = <1200000000>;
>  		u-boot,dm-spl;
>  		cpu0: cpu at 0 {
> -			clocks = <&prci PRCI_CLK_COREPLL>;
> +			clocks = <&prci FU740_PRCI_CLK_COREPLL>;
>  			u-boot,dm-spl;
>  			status = "okay";
>  			cpu0_intc: interrupt-controller {
> @@ -19,28 +19,28 @@
>  			};
>  		};
>  		cpu1: cpu at 1 {
> -			clocks = <&prci PRCI_CLK_COREPLL>;
> +			clocks = <&prci FU740_PRCI_CLK_COREPLL>;
>  			u-boot,dm-spl;
>  			cpu1_intc: interrupt-controller {
>  				u-boot,dm-spl;
>  			};
>  		};
>  		cpu2: cpu at 2 {
> -			clocks = <&prci PRCI_CLK_COREPLL>;
> +			clocks = <&prci FU740_PRCI_CLK_COREPLL>;
>  			u-boot,dm-spl;
>  			cpu2_intc: interrupt-controller {
>  				 u-boot,dm-spl;
>  			};
>  		};
>  		cpu3: cpu at 3 {
> -			clocks = <&prci PRCI_CLK_COREPLL>;
> +			clocks = <&prci FU740_PRCI_CLK_COREPLL>;
>  			u-boot,dm-spl;
>  			cpu3_intc: interrupt-controller {
>  				u-boot,dm-spl;
>  			};
>  		};
>  		cpu4: cpu at 4 {
> -			clocks = <&prci PRCI_CLK_COREPLL>;
> +			clocks = <&prci FU740_PRCI_CLK_COREPLL>;
>  			u-boot,dm-spl;
>  			cpu4_intc: interrupt-controller {
>  				u-boot,dm-spl;
> @@ -76,7 +76,7 @@
>  			reg = <0x0 0x100b0000 0x0 0x0800
>  			       0x0 0x100b2000 0x0 0x2000
>  			       0x0 0x100b8000 0x0 0x1000>;
> -			clocks = <&prci PRCI_CLK_DDRPLL>;
> +			clocks = <&prci FU740_PRCI_CLK_DDRPLL>;
>  			clock-frequency = <933333324>;
>  			u-boot,dm-spl;
>  		};
> @@ -100,7 +100,7 @@
>  };
>  
>  &eth0 {
> -	assigned-clocks = <&prci PRCI_CLK_GEMGXLPLL>;
> +	assigned-clocks = <&prci FU740_PRCI_CLK_GEMGXLPLL>;
>  	assigned-clock-rates = <125125000>;
>  };
>  
> diff --git a/arch/riscv/dts/fu740-c000.dtsi b/arch/riscv/dts/fu740-c000.dtsi
> index 649efe400a..0e14aa71e7 100644
> --- a/arch/riscv/dts/fu740-c000.dtsi
> +++ b/arch/riscv/dts/fu740-c000.dtsi
> @@ -166,7 +166,7 @@
>  			reg = <0x0 0x10010000 0x0 0x1000>;
>  			interrupt-parent = <&plic0>;
>  			interrupts = <39>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			status = "disabled";
>  		};
>  		uart1: serial at 10011000 {
> @@ -174,7 +174,7 @@
>  			reg = <0x0 0x10011000 0x0 0x1000>;
>  			interrupt-parent = <&plic0>;
>  			interrupts = <40>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			status = "disabled";
>  		};
>  		i2c0: i2c at 10030000 {
> @@ -182,7 +182,7 @@
>  			reg = <0x0 0x10030000 0x0 0x1000>;
>  			interrupt-parent = <&plic0>;
>  			interrupts = <52>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			reg-shift = <2>;
>  			reg-io-width = <1>;
>  			#address-cells = <1>;
> @@ -194,7 +194,7 @@
>  			reg = <0x0 0x10031000 0x0 0x1000>;
>  			interrupt-parent = <&plic0>;
>  			interrupts = <53>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			reg-shift = <2>;
>  			reg-io-width = <1>;
>  			#address-cells = <1>;
> @@ -207,7 +207,7 @@
>  			       0x0 0x20000000 0x0 0x10000000>;
>  			interrupt-parent = <&plic0>;
>  			interrupts = <41>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			#address-cells = <1>;
>  			#size-cells = <0>;
>  			status = "disabled";
> @@ -218,7 +218,7 @@
>  			       0x0 0x30000000 0x0 0x10000000>;
>  			interrupt-parent = <&plic0>;
>  			interrupts = <42>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			#address-cells = <1>;
>  			#size-cells = <0>;
>  			status = "disabled";
> @@ -228,7 +228,7 @@
>  			reg = <0x0 0x10050000 0x0 0x1000>;
>  			interrupt-parent = <&plic0>;
>  			interrupts = <43>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			#address-cells = <1>;
>  			#size-cells = <0>;
>  			status = "disabled";
> @@ -241,8 +241,8 @@
>  			       0x0 0x100a0000 0x0 0x1000>;
>  			local-mac-address = [00 00 00 00 00 00];
>  			clock-names = "pclk", "hclk";
> -			clocks = <&prci PRCI_CLK_GEMGXLPLL>,
> -				 <&prci PRCI_CLK_GEMGXLPLL>;
> +			clocks = <&prci FU740_PRCI_CLK_GEMGXLPLL>,
> +				 <&prci FU740_PRCI_CLK_GEMGXLPLL>;
>  			#address-cells = <1>;
>  			#size-cells = <0>;
>  			status = "disabled";
> @@ -252,7 +252,7 @@
>  			reg = <0x0 0x10020000 0x0 0x1000>;
>  			interrupt-parent = <&plic0>;
>  			interrupts = <44 45 46 47>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			#pwm-cells = <3>;
>  			status = "disabled";
>  		};
> @@ -261,7 +261,7 @@
>  			reg = <0x0 0x10021000 0x0 0x1000>;
>  			interrupt-parent = <&plic0>;
>  			interrupts = <48 49 50 51>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			#pwm-cells = <3>;
>  			status = "disabled";
>  		};
> @@ -287,7 +287,7 @@
>  			#gpio-cells = <2>;
>  			interrupt-controller;
>  			#interrupt-cells = <2>;
> -			clocks = <&prci PRCI_CLK_PCLK>;
> +			clocks = <&prci FU740_PRCI_CLK_PCLK>;
>  			status = "disabled";
>  		};
>  		pcie at e00000000 {
> @@ -318,8 +318,8 @@
>  					<0x0 0x0 0x0 0x4 &plic0 60>;
>  			pwren-gpios = <&gpio 5 0>;
>  			reset-gpios = <&gpio 8 0>;
> -			clocks = <&prci PRCI_CLK_PCIEAUX>;
> -			clock-names = "pcieaux";
> +			clocks = <&prci FU740_PRCI_CLK_PCIE_AUX>;
> +			clock-names = "pcie_aux";

Will this clock-names modification affects the functionality of sifive's clk or pcie driver in u-boot?

Otherwise, LGTM.

Best regards,
Leo

>  			resets = <&prci PRCI_RST_PCIE_POWER_UP_N>;
>  			reset-names = "rst_n";
>  
> diff --git a/drivers/clk/sifive/fu740-prci.c b/drivers/clk/sifive/fu740-prci.c
> index b025050e22..5edc864e4b 100644
> --- a/drivers/clk/sifive/fu740-prci.c
> +++ b/drivers/clk/sifive/fu740-prci.c
> @@ -103,53 +103,53 @@ static const struct __prci_clock_ops sifive_fu740_prci_pcieaux_clk_ops = {
>  
>  /* List of clock controls provided by the PRCI */
>  struct __prci_clock __prci_init_clocks_fu740[] = {
> -	[PRCI_CLK_COREPLL] = {
> +	[FU740_PRCI_CLK_COREPLL] = {
>  		.name = "corepll",
>  		.parent_name = "hfclk",
>  		.ops = &sifive_fu740_prci_wrpll_clk_ops,
>  		.pwd = &__prci_corepll_data,
>  	},
> -	[PRCI_CLK_DDRPLL] = {
> +	[FU740_PRCI_CLK_DDRPLL] = {
>  		.name = "ddrpll",
>  		.parent_name = "hfclk",
>  		.ops = &sifive_fu740_prci_wrpll_clk_ops,
>  		.pwd = &__prci_ddrpll_data,
>  	},
> -	[PRCI_CLK_GEMGXLPLL] = {
> +	[FU740_PRCI_CLK_GEMGXLPLL] = {
>  		.name = "gemgxlpll",
>  		.parent_name = "hfclk",
>  		.ops = &sifive_fu740_prci_wrpll_clk_ops,
>  		.pwd = &__prci_gemgxlpll_data,
>  	},
> -	[PRCI_CLK_DVFSCOREPLL] = {
> +	[FU740_PRCI_CLK_DVFSCOREPLL] = {
>  		.name = "dvfscorepll",
>  		.parent_name = "hfclk",
>  		.ops = &sifive_fu740_prci_wrpll_clk_ops,
>  		.pwd = &__prci_dvfscorepll_data,
>  	},
> -	[PRCI_CLK_HFPCLKPLL] = {
> +	[FU740_PRCI_CLK_HFPCLKPLL] = {
>  		.name = "hfpclkpll",
>  		.parent_name = "hfclk",
>  		.ops = &sifive_fu740_prci_wrpll_clk_ops,
>  		.pwd = &__prci_hfpclkpll_data,
>  	},
> -	[PRCI_CLK_CLTXPLL] = {
> +	[FU740_PRCI_CLK_CLTXPLL] = {
>  		.name = "cltxpll",
>  		.parent_name = "hfclk",
>  		.ops = &sifive_fu740_prci_wrpll_clk_ops,
>  		.pwd = &__prci_cltxpll_data,
>  	},
> -	[PRCI_CLK_TLCLK] = {
> +	[FU740_PRCI_CLK_TLCLK] = {
>  		.name = "tlclk",
>  		.parent_name = "corepll",
>  		.ops = &sifive_fu740_prci_tlclksel_clk_ops,
>  	},
> -	[PRCI_CLK_PCLK] = {
> +	[FU740_PRCI_CLK_PCLK] = {
>  		.name = "pclk",
>  		.parent_name = "hfpclkpll",
>  		.ops = &sifive_fu740_prci_hfpclkplldiv_clk_ops,
>  	},
> -	[PRCI_CLK_PCIEAUX] {
> +	[FU740_PRCI_CLK_PCIE_AUX] {
>  		.name = "pcieaux",
>  		.parent_name = "",
>  		.ops = &sifive_fu740_prci_pcieaux_clk_ops,
> diff --git a/drivers/clk/sifive/sifive-prci.c b/drivers/clk/sifive/sifive-prci.c
> index 52ae268e0c..c8fb600290 100644
> --- a/drivers/clk/sifive/sifive-prci.c
> +++ b/drivers/clk/sifive/sifive-prci.c
> @@ -685,14 +685,14 @@ static int sifive_prci_probe(struct udevice *dev)
>  				 * case the design uses hfpclk to drive
>  				 * Chiplink
>  				 */
> -				pc = &data->clks[PRCI_CLK_HFPCLKPLL];
> +				pc = &data->clks[FU740_PRCI_CLK_HFPCLKPLL];
>  				parent_rate = sifive_prci_parent_rate(pc, data);
>  				sifive_prci_wrpll_set_rate(pc, 260000000,
>  							   parent_rate);
>  				pc->ops->enable_clk(pc, 1);
>  			} else if (prci_pll_reg & PRCI_PRCIPLL_CLTXPLL) {
>  				/* CLTX pll init */
> -				pc = &data->clks[PRCI_CLK_CLTXPLL];
> +				pc = &data->clks[FU740_PRCI_CLK_CLTXPLL];
>  				parent_rate = sifive_prci_parent_rate(pc, data);
>  				sifive_prci_wrpll_set_rate(pc, 260000000,
>  							   parent_rate);
> diff --git a/include/dt-bindings/clock/sifive-fu740-prci.h b/include/dt-bindings/clock/sifive-fu740-prci.h
> index c1224783c0..672bdadbf6 100644
> --- a/include/dt-bindings/clock/sifive-fu740-prci.h
> +++ b/include/dt-bindings/clock/sifive-fu740-prci.h
> @@ -1,10 +1,9 @@
> -/* SPDX-License-Identifier: GPL-2.0 OR MIT */
> +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
>  /*
> - * Copyright (C) 2020-2021 SiFive, Inc.
> + * Copyright (C) 2019 SiFive, Inc.
>   * Wesley Terpstra
>   * Paul Walmsley
>   * Zong Li
> - * Pragnesh Patel
>   */
>  
>  #ifndef __DT_BINDINGS_CLOCK_SIFIVE_FU740_PRCI_H
> @@ -12,14 +11,14 @@
>  
>  /* Clock indexes for use by Device Tree data and the PRCI driver */
>  
> -#define PRCI_CLK_COREPLL	0
> -#define PRCI_CLK_DDRPLL		1
> -#define PRCI_CLK_GEMGXLPLL	2
> -#define PRCI_CLK_DVFSCOREPLL	3
> -#define PRCI_CLK_HFPCLKPLL	4
> -#define PRCI_CLK_CLTXPLL	5
> -#define PRCI_CLK_TLCLK		6
> -#define PRCI_CLK_PCLK		7
> -#define PRCI_CLK_PCIEAUX	8
> +#define FU740_PRCI_CLK_COREPLL		0
> +#define FU740_PRCI_CLK_DDRPLL		1
> +#define FU740_PRCI_CLK_GEMGXLPLL	2
> +#define FU740_PRCI_CLK_DVFSCOREPLL	3
> +#define FU740_PRCI_CLK_HFPCLKPLL	4
> +#define FU740_PRCI_CLK_CLTXPLL		5
> +#define FU740_PRCI_CLK_TLCLK		6
> +#define FU740_PRCI_CLK_PCLK		7
> +#define FU740_PRCI_CLK_PCIE_AUX		8
>  
> -#endif
> +#endif	/* __DT_BINDINGS_CLOCK_SIFIVE_FU740_PRCI_H */
> -- 
> 2.37.1
> 


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