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From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Maxime Ripard
	<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Emilio Lopez <emilio-0Z03zUJReD5OxF6Tv1QG9Q@public.gmane.org>,
	kevin-0TFLnhJekD6UEPyfVivIlAC/G2K4zDHf@public.gmane.org,
	sunny-0TFLnhJekD6UEPyfVivIlAC/G2K4zDHf@public.gmane.org,
	shuge-0TFLnhJekD6UEPyfVivIlAC/G2K4zDHf@public.gmane.org,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: Re: [PATCHv3 1/6] i2c: sunxi: Add Allwinner A1X i2c driver
Date: Wed, 5 Jun 2013 15:39:47 +0200	[thread overview]
Message-ID: <20130605133945.GA2934@katana> (raw)
In-Reply-To: <1369648843-1640-2-git-send-email-maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>

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> +#define SUNXI_I2C_ADDR_REG		(0x00)
> +#define SUNXI_I2C_ADDR_ADDR(v)			((v & 0x7f) << 1)
> +#define SUNXI_I2C_XADDR_REG		(0x04)
> +#define SUNXI_I2C_DATA_REG		(0x08)
> +#define SUNXI_I2C_CNTR_REG		(0x0c)
> +#define SUNXI_I2C_CNTR_ASSERT_ACK		BIT(2)
> +#define SUNXI_I2C_CNTR_INT_FLAG			BIT(3)
> +#define SUNXI_I2C_CNTR_MASTER_STOP		BIT(4)
> +#define SUNXI_I2C_CNTR_MASTER_START		BIT(5)
> +#define SUNXI_I2C_CNTR_BUS_ENABLE		BIT(6)
> +#define SUNXI_I2C_CNTR_INT_ENABLE		BIT(7)
> +#define SUNXI_I2C_STA_REG		(0x10)
> +#define SUNXI_I2C_STA_BUS_ERROR			(0x00)
> +#define SUNXI_I2C_STA_START			(0x08)
> +#define SUNXI_I2C_STA_START_REPEAT		(0x10)
> +#define SUNXI_I2C_STA_MASTER_WADDR_ACK		(0x18)
> +#define SUNXI_I2C_STA_MASTER_WADDR_NAK		(0x20)
> +#define SUNXI_I2C_STA_MASTER_DATA_SENT_ACK	(0x28)
> +#define SUNXI_I2C_STA_MASTER_DATA_SENT_NAK	(0x30)
> +#define SUNXI_I2C_STA_MASTER_RADDR_ACK		(0x40)
> +#define SUNXI_I2C_STA_MASTER_RADDR_NAK		(0x48)
> +#define SUNXI_I2C_STA_MASTER_DATA_RECV_ACK	(0x50)
> +#define SUNXI_I2C_STA_MASTER_DATA_RECV_NAK	(0x58)
> +#define SUNXI_I2C_CCR_REG		(0x14)
> +#define SUNXI_I2C_CCR_DIV_N(val)		(val & 0x3)
> +#define SUNXI_I2C_CCR_DIV_M(val)		((val & 0xf) << 3)
> +#define SUNXI_I2C_SRST_REG		(0x18)
> +#define SUNXI_I2C_SRST_RESET			BIT(0)
> +#define SUNXI_I2C_EFR_REG		(0x1c)
> +#define SUNXI_I2C_LCR_REG		(0x20)
> +
> +#define SUNXI_I2C_DONE			BIT(0)
> +#define SUNXI_I2C_ERROR			BIT(1)
> +#define SUNXI_I2C_NAK			BIT(2)
> +#define SUNXI_I2C_BUS_ERROR		BIT(3)

The register set looks similar to i2c-mv64xxx.c. Has it been considered
to merge the two drivers?


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  parent reply	other threads:[~2013-06-05 13:39 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-27 10:00 [PATCHv3 0/6] Add I2C support for Allwinner SoCs Maxime Ripard
     [not found] ` <1369648843-1640-1-git-send-email-maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-05-27 10:00   ` [PATCHv3 1/6] i2c: sunxi: Add Allwinner A1X i2c driver Maxime Ripard
     [not found]     ` <1369648843-1640-2-git-send-email-maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-06-05 13:39       ` Wolfram Sang [this message]
2013-06-05 21:31         ` Maxime Ripard
2013-06-10 10:08           ` Maxime Ripard
2013-06-11 18:22             ` Wolfram Sang
2013-06-11 18:21           ` Wolfram Sang
2013-06-12  8:11             ` Maxime Ripard
2013-05-27 10:00   ` [PATCHv3 2/6] ARM: sunxi: dt: Add i2c controller nodes to the DTSI Maxime Ripard
2013-05-27 10:00   ` [PATCHv3 3/6] ARM: sun4i: dt: Add i2c muxing options Maxime Ripard
2013-05-27 10:00   ` [PATCHv3 4/6] ARM: sun5i: " Maxime Ripard
2013-05-27 10:00   ` [PATCHv3 5/6] ARM: sun5i: olinuxino: Enable the i2c controllers Maxime Ripard
2013-05-27 10:00   ` [PATCHv3 6/6] ARM: sun4i: cubieboard: " Maxime Ripard
2013-05-27 19:17   ` [PATCHv3 0/6] Add I2C support for Allwinner SoCs Tomasz Figa
2013-05-29  7:34     ` Maxime Ripard

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