{"id":896,"date":"2022-07-24T12:10:18","date_gmt":"2022-07-24T12:10:18","guid":{"rendered":"http:\/\/www.recologypower.com:9080\/?p=896"},"modified":"2022-07-24T12:10:19","modified_gmt":"2022-07-24T12:10:19","slug":"%e3%80%90openwrt%e3%80%91-rt5350-spi-i2c%e9%a9%b1%e5%8a%a8%e7%ae%80%e5%8d%95%e8%af%b4%e6%98%8e","status":"publish","type":"post","link":"http:\/\/www.recologypower.com:9080\/?p=896","title":{"rendered":"\u3010OPENWRT\u3011 RT5350 SPI I2C\u9a71\u52a8\u7b80\u5355\u8bf4\u660e"},"content":{"rendered":"\n<p>openwrt\u4e2d\u5df2\u7ecf\u652f\u6301 RT5350 \u7684SPI I2C\u7b49\u9a71\u52a8\u3002<\/p>\n\n\n\n<p>\u4e00\u3001\u9009\u62e9SPI\u3001I2C \u529f\u80fd<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-> Kernel modules\r\n  -> SPI Support\r\n  -> I2C support<\/code><\/pre>\n\n\n\n<p>\u4e8c\u3001\u4fee\u6539\u8bbe\u5907\u6811<\/p>\n\n\n\n<p>vi target\/linux\/ramips\/dts\/rt5350.dtsi<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> i2c@900 {\r\n                        compatible = \"link,rt5350-i2c\", \"ralink,rt2880-i2c\";\r\n                        reg = &lt;0x900 0x100>;\r\n\r\n                        resets = &lt;&amp;rstctrl 16>;\r\n                        reset-names = \"i2c\";\r\n\r\n                        #address-cells = &lt;1>;\r\n                        #size-cells = &lt;0>;\r\n\r\n                        pinctrl-names = \"default\";\r\n                        pinctrl-0 = &lt;&amp;i2c_pins>;\r\n\r\n                        status = \"disabled\";\r\n                };\r\n\r\n                spi@b00 {\r\n                        compatible = \"ralink,rt5350-spi\";\r\n                        reg = &lt;0xb00 0x100>;\r\n\r\n                        resets = &lt;&amp;rstctrl 18>;\r\n                        reset-names = \"spi\";\r\n\r\n                        #address-cells = &lt;1>;\r\n                        #size-cells = &lt;1>;\r\n\r\n                        pinctrl-names = \"default\";\r\n                        pinctrl-0 = &lt;&amp;spi_pins &amp;spi_cs1>;\r\n\r\n                        status = \"disabled\";\r\n                };<\/code><\/pre>\n\n\n\n<p>\u914d\u7f6e\u6587\u4ef6\u9ed8\u8ba4\u662f\u4e0d\u542f\u7528 SPI I2C \u7684\u3002\u6211\u4eec\u9700\u8981\u628a status = \u201cdisabled\u201d; \u6539\u4e3a status = \u201cokay\u201d;\u5bf9\u4e8e I2C\uff0c\u6211\u4eec\u8fd8\u8981\u4fee\u6539\u6a21\u677f\u8bbe\u5907\u6811\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pinctrl {\r\n                state_default: pinctrl0 {\r\n                        gpio {\r\n                                ralink,group = \"i2c\", \"jtag\", \"rgmii\", \"mdio\", \"uartf\";\r\n                                ralink,function = \"gpio\";\r\n                        };\r\n                };\r\n        };<\/code><\/pre>\n\n\n\n<p>\u590d\u7528\u529f\u80fd\u201di2c\u201d,\u201djtag\u201d, \u201crgmii\u201d, \u201cmdio\u201d, \u201cuartf\u201d \u7b49\u9ed8\u8ba4\u90fd\u590d\u7528\u4e3a gpio \u53e3\uff0c\u8981\u542f\u7528 I2C\uff0c\u9700\u8981\u53bb\u6389 i2c\u3002\u540c\u6837\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u542f\u7528 uartf\u3002\u6240\u6709\uff0c\u4fee\u6539\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pinctrl {\r\n                state_default: pinctrl0 {\r\n                        gpio {\r\n                                ralink,group =  \"jtag\", \"rgmii\", \"mdio\";\r\n                                ralink,function = \"gpio\";\r\n                        };\r\n                };\r\n        };<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"slide-text-bg2\">\n<h3>openwrt\u4e2d\u5df2\u7ecf\u652f\u6301 RT5350 <\/h3>\n<\/div>\n<div class=\"flex-btn-div\"><a href=\"http:\/\/www.recologypower.com:9080\/?p=896\" class=\"btn1 flex-btn\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77],"tags":[],"_links":{"self":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts\/896"}],"collection":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=896"}],"version-history":[{"count":1,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts\/896\/revisions"}],"predecessor-version":[{"id":897,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=\/wp\/v2\/posts\/896\/revisions\/897"}],"wp:attachment":[{"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=896"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.recologypower.com:9080\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}