From mboxrd@z Thu Jan 1 00:00:00 1970 From: wsa@the-dreams.de (Wolfram Sang) Date: Wed, 5 Jun 2013 15:39:47 +0200 Subject: [PATCHv3 1/6] i2c: sunxi: Add Allwinner A1X i2c driver In-Reply-To: <1369648843-1640-2-git-send-email-maxime.ripard@free-electrons.com> References: <1369648843-1640-1-git-send-email-maxime.ripard@free-electrons.com> <1369648843-1640-2-git-send-email-maxime.ripard@free-electrons.com> Message-ID: <20130605133945.GA2934@katana> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org > +#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? -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: