OpenWrt – Blame information for rev 4
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Rev | Author | Line No. | Line |
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1 | office | 1 | From 8cf805e57fa5cf4c872883968def037cd7c903cc Mon Sep 17 00:00:00 2001 |
2 | From: Aaron Shaw <shawaj@gmail.com> |
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3 | Date: Fri, 5 Jan 2018 15:08:37 +0000 |
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4 | Subject: [PATCH 158/454] add additional overrides to rotary-encoder overlay |
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5 | (#2334) |
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6 | |||
7 | --- |
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8 | arch/arm/boot/dts/overlays/README | 23 +++++++++++++++++++ |
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9 | .../dts/overlays/rotary-encoder-overlay.dts | 18 +++++++++++---- |
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10 | 2 files changed, 36 insertions(+), 5 deletions(-) |
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11 | |||
12 | --- a/arch/arm/boot/dts/overlays/README |
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13 | +++ b/arch/arm/boot/dts/overlays/README |
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14 | @@ -1331,6 +1331,29 @@ Params: rotary0_pin_a GPIO con |
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15 | (default 4). |
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16 | rotary0_pin_b GPIO connected to rotary encoder channel B |
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17 | (default 17). |
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18 | + relative_axis register a relative axis rather than an |
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19 | + absolute one. Relative axis will only |
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20 | + generate +1/-1 events on the input device, |
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21 | + hence no steps need to be passed. |
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22 | + linux_axis the input subsystem axis to map to this |
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23 | + rotary encoder. Defaults to 0 (ABS_X / REL_X) |
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24 | + rollover Automatic rollover when the rotary value |
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25 | + becomes greater than the specified steps or |
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26 | + smaller than 0. For absolute axis only. |
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27 | + steps-per-period Number of steps (stable states) per period. |
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28 | + The values have the following meaning: |
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29 | + 1: Full-period mode (default) |
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30 | + 2: Half-period mode |
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31 | + 4: Quarter-period mode |
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32 | + steps Number of steps in a full turnaround of the |
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33 | + encoder. Only relevant for absolute axis. |
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34 | + Defaults to 24 which is a typical value for |
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35 | + such devices. |
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36 | + wakeup Boolean, rotary encoder can wake up the |
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37 | + system. |
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38 | + encoding String, the method used to encode steps. |
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39 | + Supported are "gray" (the default and more |
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40 | + common) and "binary". |
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41 | |||
42 | |||
43 | Name: rpi-backlight |
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44 | --- a/arch/arm/boot/dts/overlays/rotary-encoder-overlay.dts |
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45 | +++ b/arch/arm/boot/dts/overlays/rotary-encoder-overlay.dts |
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46 | @@ -28,16 +28,24 @@ |
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47 | gpios = <&gpio 4 0>, <&gpio 17 0>; |
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48 | linux,axis = <0>; /* REL_X */ |
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49 | rotary-encoder,encoding = "gray"; |
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50 | - rotary-encoder,relative-axis; |
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51 | + rotary-encoder,steps = <24>; /* 24 default */ |
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52 | + rotary-encoder,steps-per-period = <1>; /* corresponds to full period mode. See README */ |
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53 | }; |
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54 | }; |
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55 | |||
56 | }; |
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57 | |||
58 | __overrides__ { |
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59 | - rotary0_pin_a = <&rotary0>,"gpios:4", |
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60 | - <&rotary0_pins>,"brcm,pins:0"; |
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61 | - rotary0_pin_b = <&rotary0>,"gpios:16", |
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62 | - <&rotary0_pins>,"brcm,pins:4"; |
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63 | + rotary0_pin_a = <&rotary0>,"gpios:4", |
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64 | + <&rotary0_pins>,"brcm,pins:0"; |
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65 | + rotary0_pin_b = <&rotary0>,"gpios:16", |
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66 | + <&rotary0_pins>,"brcm,pins:4"; |
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67 | + relative_axis = <&rotary0>,"rotary-encoder,relative-axis?"; |
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68 | + linux_axis = <&rotary0>,"linux,axis:0"; |
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69 | + rollover = <&rotary0>,"rotary-encoder,rollover?"; |
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70 | + steps-per-period = <&rotary0>,"rotary-encoder,steps-per-period:0"; |
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71 | + steps = <&rotary0>,"rotary-encoder,steps:0"; |
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72 | + wakeup = <&rotary0>,"wakeup-source?"; |
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73 | + encoding = <&rotary0>,"rotary-encoder,encoding"; |
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74 | }; |
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75 | }; |