linux-kernel - Re: [PATCH V4 1/3] reset: hisilicon: document hisi-hi6220 reset controllers bindings

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Date:	Mon, 21 Sep 2015 09:18:42 -0500
From:	Rob Herring <robh@...nel.org>
To:	Chen Feng <puck.chen@...ilicon.com>
Cc:	p.zabel@...gutronix.de, linux-kernel@...r.kernel.org,
	robh+dt@...nel.org, pawel.moll@....com, xuwei5@...ilicon.com,
	haojian.zhuang@...aro.org, zhangfei.gao@...mail.com, arnd@...db.de,
	bintian.wang@...wei.com, xuyiping@...ilicon.com,
	devicetree@...r.kernel.org, dan.zhao@...ilicon.com,
	suzhuangluan@...ilicon.com, w.f@...wei.com,
	kong.kongxinwei@...ilicon.com, yudongbin@...ilicon.com,
	peter.panshilin@...ilicon.com, qijiwen@...ilicon.com
Subject: Re: [PATCH V4 1/3] reset: hisilicon: document hisi-hi6220 reset
 controllers bindings

On 09/17/2015 07:00 AM, Chen Feng wrote:
> Add DT bindings documentation for hi6220 SoC reset controller.
> 
> Signed-off-by: Chen Feng <puck.chen@...ilicon.com>
> ---
>  .../bindings/reset/hisilicon,hi6220-reset.txt      | 97 ++++++++++++++++++++++
>  1 file changed, 97 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt
> 
> diff --git a/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt b/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt
> new file mode 100644
> index 0000000..c0f7928
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt
> @@ -0,0 +1,97 @@
> +Hisilicon System Reset Controller
> +======================================
> +
> +Please also refer to reset.txt in this directory for common reset
> +controller binding usage.
> +
> +The reset controller node must be a sub-node of the chip controller
> +node on SoCs.
> +
> +Required properties:
> +- compatible: may be "hisilicon,hi6220-reset-ctl"
> +- reg: should be register base and length as documented in the
> +  datasheet
> +- #reset-cells: 1, see below
> +
> +Example:
> +
> +	reset_ctrl: reset_ctrl@...30000 {
> +		compatible = "hisilicon,hi6220-reset-ctl";
> +		reg = <0x0 0xf7030000 0x0 0x1000>;
> +		#reset-cells = <1>;
> +	};
> +
> +Specifying reset lines connected to IP modules
> +==============================================
> +example:
> +
> +        uart1: uart1@..... {

serial@...

> +		...
> +                resets = <&reset_ctrl 0x305>;
> +		...
> +        };
> +
> +The following RESET_INDEX values are valid for hi6220 SoC:

Include the header file for these with this patch and just refer to it
rather than listing here.

Rob

> +	PERIPH_RSTDIS0_MMC0 		= 0x000,
> +	PERIPH_RSTDIS0_MMC1		= 0x001,
> +	PERIPH_RSTDIS0_MMC2		= 0x002,
> +	PERIPH_RSTDIS0_NANDC		= 0x003,
> +	PERIPH_RSTDIS0_USBOTG_BUS	= 0x004,
> +	PERIPH_RSTDIS0_POR_PICOPHY	= 0x005,
> +	PERIPH_RSTDIS0_USBOTG		= 0x006,
> +	PERIPH_RSTDIS0_USBOTG_32K	= 0x007,
> +
> +	PERIPH_RSTDIS1_HIFI		= 0x100,
> +	PERIPH_RSTDIS1_DIGACODEC	= 0x105,
> +
> +	PERIPH_RSTEN2_IPF		= 0x200,
> +	PERIPH_RSTEN2_SOCP		= 0x201,
> +	PERIPH_RSTEN2_DMAC		= 0x202,
> +	PERIPH_RSTEN2_SECENG		= 0x203,
> +	PERIPH_RSTEN2_ABB		= 0x204,
> +	PERIPH_RSTEN2_HPM0		= 0x205,
> +	PERIPH_RSTEN2_HPM1		= 0x206,
> +	PERIPH_RSTEN2_HPM2		= 0x207,
> +	PERIPH_RSTEN2_HPM3		= 0x208,
> +
> +	PERIPH_RSTEN3_CSSYS		= 0x300,
> +	PERIPH_RSTEN3_I2C0		= 0x301,
> +	PERIPH_RSTEN3_I2C1		= 0x302,
> +	PERIPH_RSTEN3_I2C2		= 0x303,
> +	PERIPH_RSTEN3_I2C3		= 0x304,
> +	PERIPH_RSTEN3_UART1		= 0x305,
> +	PERIPH_RSTEN3_UART2		= 0x306,
> +	PERIPH_RSTEN3_UART3		= 0x307,
> +	PERIPH_RSTEN3_UART4		= 0x308,
> +	PERIPH_RSTEN3_SSP		= 0x309,
> +	PERIPH_RSTEN3_PWM		= 0x30a,
> +	PERIPH_RSTEN3_BLPWM		= 0x30b,
> +	PERIPH_RSTEN3_TSENSOR		= 0x30c,
> +	PERIPH_RSTEN3_DAPB		= 0x312,
> +	PERIPH_RSTEN3_HKADC		= 0x313,
> +	PERIPH_RSTEN3_CODEC_SSI		= 0x314,
> +	PERIPH_RSTEN3_PMUSSI1		= 0x316,
> +
> +	PERIPH_RSTEN8_RS0		= 0x400,
> +	PERIPH_RSTEN8_RS2		= 0x401,
> +	PERIPH_RSTEN8_RS3		= 0x402,
> +	PERIPH_RSTEN8_MS0		= 0x403,
> +	PERIPH_RSTEN8_MS2		= 0x405,
> +	PERIPH_RSTEN8_XG2RAM0		= 0x406,
> +	PERIPH_RSTEN8_X2SRAM_TZMA	= 0x407,
> +	PERIPH_RSTEN8_SRAM		= 0x408,
> +	PERIPH_RSTEN8_HARQ		= 0x40a,
> +	PERIPH_RSTEN8_DDRC		= 0x40c,
> +	PERIPH_RSTEN8_DDRC_APB		= 0x40d,
> +	PERIPH_RSTEN8_DDRPACK_APB	= 0x40e,
> +	PERIPH_RSTEN8_DDRT		= 0x411,
> +
> +	PERIPH_RSDIST9_CARM_DAP		= 0x500,
> +	PERIPH_RSDIST9_CARM_ATB		= 0x501,
> +	PERIPH_RSDIST9_CARM_LBUS	= 0x502,
> +	PERIPH_RSDIST9_CARM_POR		= 0x503,
> +	PERIPH_RSDIST9_CARM_CORE	= 0x504,
> +	PERIPH_RSDIST9_CARM_DBG		= 0x505,
> +	PERIPH_RSDIST9_CARM_L2		= 0x506,
> +	PERIPH_RSDIST9_CARM_SOCDBG	= 0x507,
> +	PERIPH_RSDIST9_CARM_ETM		= 0x508,
> 

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