Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1375458
| From | Chanwoo Choi <cw00.choi@samsung.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v9 19/20] ARM: dts: Expand the voltage range of buck1/3 regulator for exynos4412-odroidu3 |
| Date | 2016-04-11 06:00 +0200 |
| Message-ID | <rmBb5-7ND-19@gated-at.bofh.it> (permalink) |
| References | <rmBb4-7ND-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
This patch expands the voltage range of buck1/3 regulator due to as following:
- MIF (Memory Interface) bus frequency needs the range of '900 - 1100 mV'.
- INT (Internal) bus frequency needs the range of '900 - 1050 mV'.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[m.reichl and linux.amoon: Tested it on exynos4412-odroidu3 board]
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Tested-by: Anand Moon <linux.amoon@gmail.com>
---
arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index cba37c974703..b4983cbc4f8c 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -356,8 +356,8 @@
buck1_reg: BUCK1 {
regulator-name = "vdd_mif";
- regulator-min-microvolt = <1000000>;
- regulator-max-microvolt = <1000000>;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <1100000>;
regulator-always-on;
regulator-boot-on;
};
@@ -372,8 +372,8 @@
buck3_reg: BUCK3 {
regulator-name = "vdd_int";
- regulator-min-microvolt = <1000000>;
- regulator-max-microvolt = <1000000>;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <1050000>;
regulator-always-on;
regulator-boot-on;
};
--
1.9.1
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
[PATCH v9 19/20] ARM: dts: Expand the voltage range of buck1/3 regulator for exynos4412-odroidu3 Chanwoo Choi <cw00.choi@samsung.com> - 2016-04-11 06:00 +0200
csiph-web