linux-kernel - Re: [PATCH v6 08/11] dt-bindings: clock: Add JZ4775 clock bindings.

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Message-ID: <20210713223442.GA968962@robh.at.kernel.org>
Date:   Tue, 13 Jul 2021 16:34:42 -0600
From:   Rob Herring <robh@...nel.org>
To:     周琰杰 (Zhou Yanjie) 
        <zhouyanjie@...yeetech.com>
Cc:     mturquette@...libre.com, sboyd@...nel.org,
        linux-mips@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        paul@...pouillou.net, dongsheng.qiu@...enic.com,
        aric.pzqi@...enic.com, rick.tyliu@...enic.com,
        sihui.liu@...enic.com, jun.jiang@...enic.com,
        sernia.zhou@...mail.com
Subject: Re: [PATCH v6 08/11] dt-bindings: clock: Add JZ4775 clock bindings.

On Tue, Jun 29, 2021 at 11:38:19PM +0800, 周琰杰 (Zhou Yanjie) wrote:
> Add the clock bindings for the JZ4775 SoC from Ingenic.
> 
> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
> ---
> 
> Notes:
>     v5:
>     New patch.
>     
>     v5->v6:
>     No change.
> 
>  include/dt-bindings/clock/jz4775-cgu.h | 59 ++++++++++++++++++++++++++++++++++
>  1 file changed, 59 insertions(+)
>  create mode 100644 include/dt-bindings/clock/jz4775-cgu.h
> 
> diff --git a/include/dt-bindings/clock/jz4775-cgu.h b/include/dt-bindings/clock/jz4775-cgu.h
> new file mode 100644
> index 00000000..8c2af69
> --- /dev/null
> +++ b/include/dt-bindings/clock/jz4775-cgu.h
> @@ -0,0 +1,59 @@
> +/* SPDX-License-Identifier: GPL-2.0 */

Dual license please.

> +/*
> + * This header provides clock numbers for the ingenic,jz4775-cgu DT binding.
> + *
> + * They are roughly ordered as:
> + *   - external clocks
> + *   - PLLs
> + *   - muxes/dividers in the order they appear in the jz4775 programmers manual
> + *   - gates in order of their bit in the CLKGR* registers

Can one convert index to register/bit offset? If you can avoid made up 
numbers and use something that corresponds to the h/w, that's preferred.

> + */
> +
> +#ifndef __DT_BINDINGS_CLOCK_JZ4775_CGU_H__
> +#define __DT_BINDINGS_CLOCK_JZ4775_CGU_H__
> +
> +#define JZ4775_CLK_EXCLK		0
> +#define JZ4775_CLK_RTCLK		1
> +#define JZ4775_CLK_APLL			2
> +#define JZ4775_CLK_MPLL			3
> +#define JZ4775_CLK_OTGPHY		4
> +#define JZ4775_CLK_SCLKA		5
> +#define JZ4775_CLK_UHC			6
> +#define JZ4775_CLK_UHCPHY		7
> +#define JZ4775_CLK_CPUMUX		8
> +#define JZ4775_CLK_CPU			9
> +#define JZ4775_CLK_L2CACHE		10
> +#define JZ4775_CLK_AHB0			11
> +#define JZ4775_CLK_AHB2PMUX		12
> +#define JZ4775_CLK_AHB2			13
> +#define JZ4775_CLK_PCLK			14
> +#define JZ4775_CLK_DDR			15
> +#define JZ4775_CLK_VPU			16
> +#define JZ4775_CLK_OTG			17
> +#define JZ4775_CLK_EXCLK_DIV2	18
> +#define JZ4775_CLK_I2S			19
> +#define JZ4775_CLK_LCD			20
> +#define JZ4775_CLK_MSCMUX		21
> +#define JZ4775_CLK_MSC0			22
> +#define JZ4775_CLK_MSC1			23
> +#define JZ4775_CLK_MSC2			24
> +#define JZ4775_CLK_SSI			25
> +#define JZ4775_CLK_CIM0			26
> +#define JZ4775_CLK_CIM1			27
> +#define JZ4775_CLK_PCM			28
> +#define JZ4775_CLK_BCH			29
> +#define JZ4775_CLK_EXCLK_DIV512	30
> +#define JZ4775_CLK_RTC			31
> +#define JZ4775_CLK_NEMC			32
> +#define JZ4775_CLK_I2C0			33
> +#define JZ4775_CLK_I2C1			34
> +#define JZ4775_CLK_I2C2			35
> +#define JZ4775_CLK_SADC			36
> +#define JZ4775_CLK_UART0		37
> +#define JZ4775_CLK_UART1		38
> +#define JZ4775_CLK_UART2		39
> +#define JZ4775_CLK_UART3		40
> +#define JZ4775_CLK_PDMA			41
> +#define JZ4775_CLK_MAC			42
> +
> +#endif /* __DT_BINDINGS_CLOCK_JZ4775_CGU_H__ */
> -- 
> 2.7.4
> 
>