[PATCH v11 2/4] dt-bindings: pinctrl: mt8195: change pull up/down description
From: Zhiyong Tao <hidden>
Date: 2021-08-30 00:36:26
Also in:
linux-arm-kernel, linux-gpio, linux-mediatek, lkml
Subsystem:
open firmware and flattened device tree bindings, pin control subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Walleij, Linus Torvalds
Change pull up/down description Signed-off-by: Zhiyong Tao <redacted> --- .../bindings/pinctrl/pinctrl-mt8195.yaml | 32 +++++++++++++++++-- 1 file changed, 29 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml
index 2f12ec59eee5..a341ed9f0095 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8195.yaml@@ -85,9 +85,35 @@ patternProperties: 2/4/6/8/10/12/14/16mA in mt8195. enum: [0, 1, 2, 3, 4, 5, 6, 7] - bias-pull-down: true - - bias-pull-up: true + bias-pull-down: + description: | + For pull down type is normal, it don't need add RSEL & R1R0 define + and resistance value. + For pull down type is PUPD/R0/R1 type, it can add R1R0 define to + set different resistance. It can support "MTK_PUPD_SET_R1R0_00" & + "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" & "MTK_PUPD_SET_R1R0_11" + define in mt8195. + For pull down type is RSEL, it can add RSEL define & resistance value(ohm) + to set different resistance. It can support "MTK_PULL_SET_RSEL_000" & + "MTK_PULL_SET_RSEL_001" & "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" & + "MTK_PULL_SET_RSEL_100" & "MTK_PULL_SET_RSEL_101" & "MTK_PULL_SET_RSEL_110" & + "MTK_PULL_SET_RSEL_111" define in mt8195. It can also support resistance value(ohm) + "75000" & "5000" in mt8195. + + bias-pull-up: + description: | + For pull up type is normal, it don't need add RSEL & R1R0 define + and resistance value. + For pull up type is PUPD/R0/R1 type, it can add R1R0 define to + set different resistance. It can support "MTK_PUPD_SET_R1R0_00" & + "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" & "MTK_PUPD_SET_R1R0_11" + define in mt8195. + For pull up type is RSEL, it can add RSEL define & resistance value(ohm) + to set different resistance. It can support "MTK_PULL_SET_RSEL_000" & + "MTK_PULL_SET_RSEL_001" & "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" & + "MTK_PULL_SET_RSEL_100" & "MTK_PULL_SET_RSEL_101" & "MTK_PULL_SET_RSEL_110" & + "MTK_PULL_SET_RSEL_111" define in mt8195. It can also support resistance value(ohm) + "1000" & "1500" & "2000" & "3000" & "4000" & "5000" & "10000" & "75000" in mt8195. bias-disable: true
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2.18.0