diff for duplicates of <5698BE41.30005@rock-chips.com> diff --git a/a/1.txt b/N1/1.txt index 5a85e7d..62c3888 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -1,6 +1,6 @@ -Hi Doug， +Hi Doug? -在 2016/1/15 0:12, Doug Anderson 写道: +? 2016/1/15 0:12, Doug Anderson ??: > Hi, > > On Thu, Jan 14, 2016 at 4:31 AM, David Wu <david.wu@rock-chips.com> wrote: @@ -21,8 +21,8 @@ v0 is the same with the v1 for tHigh and tLow : tLow = 8 * divl * pclk_cycle; v0 rules' difference: - start setup： 7/8 * tHigh + 1 pclk cycle - start hold : 2 * （7/8 * tHigh） - 1 pclk cycle + start setup? 7/8 * tHigh + 1 pclk cycle + start hold : 2 * ?7/8 * tHigh? - 1 pclk cycle stop setup : 7/8 * tHigh + 1 pclk cycle data setup: 1/2 tLow - 1 pclk cycle @@ -62,7 +62,7 @@ The start_setup count is added to fix this issue, tHigh is not need to considered of "repeat start" time. After divs calculated, the count would be calculated to meet i2c spec. v1 rule: -start setup： tHigh + 1 pclk cycle +start setup? tHigh + 1 pclk cycle start hold: [8h * (u + 1) - 1] * T; tSU;sto = (8h * p + 1) * T; --------------------------------------------------------------------------------------------------------------- @@ -70,14 +70,14 @@ start hold: [8h * (u + 1) - 1] * T; The data_upd_st is added for the Data set-up time and Data hold time on Highspeed mode. For 1.7M's example on v0: - tHD;DAT = 1/2 tLow； + tHD;DAT = 1/2 tLow? tHD;DAT <= spec_max_data_hold_ns = 150ns tLow <= 2 * tHD;DAT <= 300ns; tLow >= spec_min_low_ns = 320ns; According to these, we could not get a value for tLow, need changes for the rule: tHD;DAT = 1/2 tLow. -Cut the tLow into eight euqal parts，the range of data_upd_st is 1 ~ 7. +Cut the tLow into eight euqal parts?the range of data_upd_st is 1 ~ 7. It seems that v1 rule could resolve the issue. v1 rule: tHD;sda = n/8 * tLow; diff --git a/a/content_digest b/N1/content_digest index 545894c..67a87ca 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,28 +1,15 @@ "ref\01452774699-57455-1-git-send-email-david.wu@rock-chips.com\0" "ref\01452774699-57455-4-git-send-email-david.wu@rock-chips.com\0" "ref\0CAD=FV=UXMzEQiKcMa7VjDx+arcbRo1e-0HPHBnG8GP7k6uFt1g@mail.gmail.com\0" - "From\0David.Wu <wdc@rock-chips.com>\0" - "Subject\0Re: [PATCH v3 3/4] i2c: rk3x: new method to calculate i2c clocks\0" + "From\0wdc@rock-chips.com (David.Wu)\0" + "Subject\0[PATCH v3 3/4] i2c: rk3x: new method to calculate i2c clocks\0" "Date\0Fri, 15 Jan 2016 17:39:13 +0800\0" - "To\0Doug Anderson <dianders@chromium.org>" - " David Wu <david.wu@rock-chips.com>\0" - "Cc\0Heiko St\303\274bner <heiko@sntech.de>" - Wolfram Sang <wsa@the-dreams.de> - andy.shevchenko@gmail.com - Tao Huang <huangtao@rock-chips.com> - Chris <zyw@rock-chips.com> - Eddie Cai <cf@rock-chips.com> - Jianqun Xu <xjq@rock-chips.com> - Lin Huang <hl@rock-chips.com> - linux-arm-kernel@lists.infradead.org <linux-arm-kernel@lists.infradead.org> - open list:ARM/Rockchip SoC... <linux-rockchip@lists.infradead.org> - linux-i2c@vger.kernel.org - " linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org>\0" + "To\0linux-arm-kernel@lists.infradead.org\0" "\00:1\0" "b\0" - "Hi Doug\357\274\214\n" + "Hi Doug?\n" "\n" - "\345\234\250 2016/1/15 0:12, Doug Anderson \345\206\231\351\201\223:\n" + "? 2016/1/15 0:12, Doug Anderson ??:\n" "> Hi,\n" ">\n" "> On Thu, Jan 14, 2016 at 4:31 AM, David Wu <david.wu@rock-chips.com> wrote:\n" @@ -43,8 +30,8 @@ " tLow = 8 * divl * pclk_cycle;\n" "\n" "v0 rules' difference:\n" - " start setup\357\274\232 7/8 * tHigh + 1 pclk cycle\n" - " start hold : 2 * \357\274\2107/8 * tHigh\357\274\211 - 1 pclk cycle\n" + " start setup? 7/8 * tHigh + 1 pclk cycle\n" + " start hold : 2 * ?7/8 * tHigh? - 1 pclk cycle\n" " stop setup : 7/8 * tHigh + 1 pclk cycle\n" "\n" " data setup: 1/2 tLow - 1 pclk cycle\n" @@ -84,7 +71,7 @@ "considered of \"repeat start\" time.\n" "After divs calculated, the count would be calculated to meet i2c spec.\n" "v1 rule:\n" - "start setup\357\274\232 tHigh + 1 pclk cycle\n" + "start setup? tHigh + 1 pclk cycle\n" "start hold: [8h * (u + 1) - 1] * T;\n" " tSU;sto = (8h * p + 1) * T;\n" "---------------------------------------------------------------------------------------------------------------\n" @@ -92,14 +79,14 @@ "The data_upd_st is added for the Data set-up time and Data hold time on \n" "Highspeed mode.\n" "For 1.7M's example on v0:\n" - " tHD;DAT = 1/2 tLow\357\274\233\n" + " tHD;DAT = 1/2 tLow?\n" " tHD;DAT <= spec_max_data_hold_ns = 150ns\n" " tLow <= 2 * tHD;DAT <= 300ns;\n" " tLow >= spec_min_low_ns = 320ns;\n" "According to these, we could not get a value for tLow, need changes for \n" "the rule: tHD;DAT = 1/2 tLow.\n" "\n" - "Cut the tLow into eight euqal parts\357\274\214the range of data_upd_st is 1 ~ 7.\n" + "Cut the tLow into eight euqal parts?the range of data_upd_st is 1 ~ 7.\n" "It seems that v1 rule could resolve the issue.\n" "v1 rule:\n" " tHD;sda = n/8 * tLow;\n" @@ -147,4 +134,4 @@ ">\n" > -5dd95c9615142d22ffbca33ee1712e54d42f885431456a5fc971991b40936ec1 +65c9415a904cb2fcac5b4e614dfd9649a838a6c36e98fd2ecaa1a738c03b41c5
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