From: Jingchang Lu <b35083-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org
Cc: shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org,
s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Jingchang Lu <b35083-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
Jason Jin <Jason.jin-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Subject: [PATCH 8/8] i2c: imx: Add Vybrid VF610 I2C controller support
Date: Wed, 7 Aug 2013 17:05:43 +0800 [thread overview]
Message-ID: <1375866343-2074-8-git-send-email-b35083@freescale.com> (raw)
In-Reply-To: <1375866343-2074-1-git-send-email-b35083-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Add Freescale Vybrid VF610 I2C controller support to
imx I2C driver framework.
Signed-off-by: Jason Jin <Jason.jin-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Signed-off-by: Jingchang Lu <b35083-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
---
drivers/i2c/busses/i2c-imx.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index ce31196..9c0f8bd 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -79,6 +79,7 @@
#define IMX_I2C_I2DR 0x04 /* i2c transfer data */
#define IMX_I2C_REGSHIFT 2
+#define VF610_I2C_REGSHIFT 0
/* Bits of IMX I2C registers */
#define I2SR_RXAK 0x01
@@ -140,9 +141,29 @@ static struct imx_i2c_clk_pair imx_i2c_clk_div[] = {
{ 3072, 0x1E }, { 3840, 0x1F }
};
+/* Vybrid VF610 clock divider, register value pairs */
+static struct imx_i2c_clk_pair vf610_i2c_clk_div[] = {
+ { 20, 0x00 }, { 22, 0x01 }, { 24, 0x02 }, { 26, 0x03 },
+ { 28, 0x04 }, { 30, 0x05 }, { 32, 0x09 }, { 34, 0x06 },
+ { 36, 0x0A }, { 40, 0x07 }, { 44, 0x0C }, { 48, 0x0D },
+ { 52, 0x43 }, { 56, 0x0E }, { 60, 0x45 }, { 64, 0x12 },
+ { 68, 0x0F }, { 72, 0x13 }, { 80, 0x14 }, { 88, 0x15 },
+ { 96, 0x19 }, { 104, 0x16 }, { 112, 0x1A }, { 128, 0x17 },
+ { 136, 0x4F }, { 144, 0x1C }, { 160, 0x1D }, { 176, 0x55 },
+ { 192, 0x1E }, { 208, 0x56 }, { 224, 0x22 }, { 228, 0x24 },
+ { 240, 0x1F }, { 256, 0x23 }, { 288, 0x5C }, { 320, 0x25 },
+ { 384, 0x26 }, { 448, 0x2A }, { 480, 0x27 }, { 512, 0x2B },
+ { 576, 0x2C }, { 640, 0x2D }, { 768, 0x31 }, { 896, 0x32 },
+ { 960, 0x2F }, { 1024, 0x33 }, { 1152, 0x34 }, { 1280, 0x35 },
+ { 1536, 0x36 }, { 1792, 0x3A }, { 1920, 0x37 }, { 2048, 0x3B },
+ { 2304, 0x3C }, { 2560, 0x3D }, { 3072, 0x3E }, { 3584, 0x7A },
+ { 3840, 0x3F }, { 4096, 0x7B }, { 5120, 0x7D }, { 6144, 0x7E },
+};
+
enum imx_i2c_type {
IMX1_I2C,
IMX21_I2C,
+ VF610_I2C,
};
struct imx_i2c_hwdata {
@@ -186,6 +207,16 @@ static const struct imx_i2c_hwdata imx21_i2c_hwdata = {
};
+static struct imx_i2c_hwdata vf610_i2c_hwdata = {
+ .devtype = VF610_I2C,
+ .regshift = VF610_I2C_REGSHIFT,
+ .clk_div = vf610_i2c_clk_div,
+ .ndivs = ARRAY_SIZE(vf610_i2c_clk_div),
+ .i2sr_clr_opcode = I2SR_CLR_OPCODE_W1C,
+ .i2cr_ien_opcode = I2CR_IEN_OPCODE_0,
+
+};
+
static struct platform_device_id imx_i2c_devtype[] = {
{
.name = "imx1-i2c",
@@ -202,6 +233,7 @@ MODULE_DEVICE_TABLE(platform, imx_i2c_devtype);
static const struct of_device_id i2c_imx_dt_ids[] = {
{ .compatible = "fsl,imx1-i2c", .data = &imx1_i2c_hwdata, },
{ .compatible = "fsl,imx21-i2c", .data = &imx21_i2c_hwdata, },
+ { .compatible = "fsl,vf610-i2c", .data = &vf610_i2c_hwdata, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, i2c_imx_dt_ids);
--
1.8.0
next prev parent reply other threads:[~2013-08-07 9:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-07 9:05 [PATCH 1/8] i2c: imx: use struct representing i2c clk{div, val} pair Jingchang Lu
[not found] ` <1375866343-2074-1-git-send-email-b35083-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2013-08-07 9:05 ` [PATCH 2/8] i2c: imx: enable clk before write to registers Jingchang Lu
2013-08-07 9:05 ` [PATCH 3/8] i2c: imx: don't change platform device id_entry directly Jingchang Lu
2013-08-07 9:05 ` [PATCH 4/8] i2c: imx: wrap registers read/write to inline function Jingchang Lu
2013-08-07 9:05 ` [PATCH 5/8] i2c: imx: change register offset representation Jingchang Lu
2013-08-07 9:05 ` [PATCH 6/8] i2c: imx: add INT flag and IEN bit operatation codes Jingchang Lu
2013-08-07 9:05 ` [PATCH 7/8] i2c: imx: add struct to hold more configurable quirks Jingchang Lu
2013-08-07 9:05 ` Jingchang Lu [this message]
2013-08-07 17:53 ` [PATCH 1/8] i2c: imx: use struct representing i2c clk{div, val} pair Sascha Hauer
[not found] ` <20130807175337.GQ26614-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2013-08-09 8:12 ` Lu Jingchang-B35083
2013-08-15 14:15 ` Wolfram Sang
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