[PATCH v3] ARM: DTS: CROS5250: Add max77686 device tree support
Abhilash Kesavan
kesavan.abhilash at gmail.com
Tue Feb 12 22:43:34 EST 2013
Adding Kukjin Kim who was accidentally missed out in the re-worked patches.
On Wed, Dec 5, 2012 at 8:51 AM, Abhilash Kesavan <a.kesavan at samsung.com> wrote:
> The exynos5250 based chromebooks have a max77686 pmic on i2c channel 0.
> Add support for the pmic in the common cros5250 dts file.
> Tested after enabling cpufreq support for exynos5250 SoC and varying the
> arm frequency/voltage using the userspace governer.
>
> Signed-off-by: Abhilash Kesavan <a.kesavan at samsung.com>
> Acked-by: Doug Anderson <dianders at chromium.org>
> ---
> Changes since v1:
> * Used generic names for the regulators
> * Changed BUCK5 as being default "ON"
> Changes since v2:
> * Fixed the LDO7 name from "P1.0V_LDO_OUT7" to "P1.1V_LDO_OUT7"
>
> arch/arm/boot/dts/cros5250-common.dtsi | 138 ++++++++++++++++++++++++++++++++
> 1 files changed, 138 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi
> index fddd174..8ab8394 100644
> --- a/arch/arm/boot/dts/cros5250-common.dtsi
> +++ b/arch/arm/boot/dts/cros5250-common.dtsi
> @@ -24,6 +24,144 @@
> samsung,i2c-max-bus-freq = <378000>;
> gpios = <&gpb3 0 2 3 0>,
> <&gpb3 1 2 3 0>;
> +
> + max77686 at 09 {
> + compatible = "maxim,max77686";
> + reg = <0x09>;
> +
> + voltage-regulators {
> + ldo1_reg: LDO1 {
> + regulator-name = "P1.0V_LDO_OUT1";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + };
> +
> + ldo2_reg: LDO2 {
> + regulator-name = "P1.8V_LDO_OUT2";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo3_reg: LDO3 {
> + regulator-name = "P1.8V_LDO_OUT3";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo7_reg: LDO7 {
> + regulator-name = "P1.1V_LDO_OUT7";
> + regulator-min-microvolt = <1100000>;
> + regulator-max-microvolt = <1100000>;
> + regulator-always-on;
> + };
> +
> + ldo8_reg: LDO8 {
> + regulator-name = "P1.0V_LDO_OUT8";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + };
> +
> + ldo10_reg: LDO10 {
> + regulator-name = "P1.8V_LDO_OUT10";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo12_reg: LDO12 {
> + regulator-name = "P3.0V_LDO_OUT12";
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-always-on;
> + };
> +
> + ldo14_reg: LDO14 {
> + regulator-name = "P1.8V_LDO_OUT14";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + ldo15_reg: LDO15 {
> + regulator-name = "P1.0V_LDO_OUT15";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + };
> +
> + ldo16_reg: LDO16 {
> + regulator-name = "P1.8V_LDO_OUT16";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + };
> +
> + buck1_reg: BUCK1 {
> + regulator-name = "vdd_mif";
> + regulator-min-microvolt = <950000>;
> + regulator-max-microvolt = <1300000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + buck2_reg: BUCK2 {
> + regulator-name = "vdd_arm";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + buck3_reg: BUCK3 {
> + regulator-name = "vdd_int";
> + regulator-min-microvolt = <900000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + buck4_reg: BUCK4 {
> + regulator-name = "vdd_g3d";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <1300000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + buck5_reg: BUCK5 {
> + regulator-name = "P1.8V_BUCK_OUT5";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + buck6_reg: BUCK6 {
> + regulator-name = "P1.35V_BUCK_OUT6";
> + regulator-min-microvolt = <1350000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-always-on;
> + };
> +
> + buck7_reg: BUCK7 {
> + regulator-name = "P2.0V_BUCK_OUT7";
> + regulator-min-microvolt = <2000000>;
> + regulator-max-microvolt = <2000000>;
> + regulator-always-on;
> + };
> +
> + buck8_reg: BUCK8 {
> + regulator-name = "P2.85V_BUCK_OUT8";
> + regulator-min-microvolt = <2850000>;
> + regulator-max-microvolt = <2850000>;
> + regulator-always-on;
> + };
> + };
> + };
> };
>
> i2c at 12C70000 {
> --
> 1.6.6.1
>
>
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