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Groups > linux.kernel > #1550794
| From | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 4/6] arm64: dts: apq8016-sbc: Limit MPP4 high state to 1.8V |
| Date | 2017-01-04 14:40 +0100 |
| Message-ID | <sVTXk-5hJ-55@gated-at.bofh.it> (permalink) |
| References | <sVTXj-5hJ-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: "Ivan T. Ivanov" <ivan.ivanov@linaro.org>
96Boards specs require all GPIO signals to be at 1.8V.
Limit MPP4, which is PIN28 on J8, to 1.8V(L5).
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
---
arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi
index f881437..d946408 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc-pmic-pins.dtsi
@@ -1,4 +1,5 @@
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
&pm8916_gpios {
@@ -30,6 +31,18 @@
&pm8916_mpps {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ls_exp_gpio_f>;
+
+ ls_exp_gpio_f: pm8916_mpp4 {
+ pinconf {
+ pins = "mpp4";
+ function = "digital";
+ output-low;
+ power-source = <PM8916_MPP_L5>; // 1.8V
+ };
+ };
+
pm8916_mpps_leds: pm8916_mpps_leds {
pinconf {
pins = "mpp2", "mpp3";
--
2.10.1
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[PATCH 0/6] arm64: dts: DB410c and DB820c dt patches Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-01-04 14:40 +0100
[PATCH 1/6] arm64: dts: db820c: fix gpio pinctrl name correctly Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-01-04 14:40 +0100
[PATCH 3/6] arm64: dts: apq8016-sbc: Add Volume Up key device node Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-01-04 14:40 +0100
[PATCH 2/6] arm64: dts: apq8016-sbc: add support to hdmi audio via adv7533 Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-01-04 14:40 +0100
Re: [PATCH 2/6] arm64: dts: apq8016-sbc: add support to hdmi audio via adv7533 Archit Taneja <architt@codeaurora.org> - 2017-01-09 10:00 +0100
Re: [PATCH 2/6] arm64: dts: apq8016-sbc: add support to hdmi audio via adv7533 Stephen Boyd <sboyd@codeaurora.org> - 2017-01-09 20:50 +0100
[PATCH 6/6] arm64: dts: db820c: add support to volume up key Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-01-04 14:40 +0100
[PATCH 5/6] arm64: dts: msm8916: Add CoreSight components Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-01-04 14:40 +0100
[PATCH 4/6] arm64: dts: apq8016-sbc: Limit MPP4 high state to 1.8V Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-01-04 14:40 +0100
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