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esmil upstream use thead Signed-off-by: Han Gao <[email protected]> Signed-off-by: Han Gao <[email protected]>
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Original file line number | Diff line number | Diff line change |
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@@ -4,19 +4,20 @@ | |
$id: http://devicetree.org/schemas/pinctrl/thead,th1520-pinctrl.yaml# | ||
$schema: http://devicetree.org/meta-schemas/core.yaml# | ||
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title: T-Head TH1520 SoC pin controller | ||
title: XuanTie TH1520 SoC pin controller | ||
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maintainers: | ||
- Emil Renner Berthing <[email protected]> | ||
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description: | | ||
Pinmux and pinconf controller in the T-Head TH1520 RISC-V SoC. | ||
Pinmux and pinconf controller in the XuanTie TH1520 RISC-V SoC. | ||
The TH1520 has 3 groups of pads each controlled from different memory ranges. | ||
Confusingly the memory ranges are named | ||
PADCTRL_AOSYS -> PAD Group 1 | ||
PADCTRL1_APSYS -> PAD Group 2 | ||
PADCTRL0_APSYS -> PAD Group 3 | ||
PADCTRL_AUDIOSYS -> PAD Group 4 | ||
Each pad can be muxed individually to up to 6 different functions. For most | ||
pads only a few of those 6 configurations are valid though, and a few pads in | ||
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@@ -40,6 +41,7 @@ properties: | |
- thead,th1520-group1-pinctrl | ||
- thead,th1520-group2-pinctrl | ||
- thead,th1520-group3-pinctrl | ||
- thead,th1520-group4-pinctrl | ||
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reg: | ||
maxItems: 1 | ||
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