From 93aaf76a6cd729ecdbbd764f5640b1d50d372bbb Mon Sep 17 00:00:00 2001 From: Bjorn Andersson Date: Fri, 26 Jun 2015 14:50:09 -0700 Subject: soc: qcom: Add device tree binding for SMEM Add device tree binding documentation for the Qualcom Shared Memory Manager. Signed-off-by: Bjorn Andersson Signed-off-by: Andy Gross --- .../devicetree/bindings/soc/qcom/qcom,smem.txt | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt new file mode 100644 index 000000000000..9326cdf6e1b1 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt @@ -0,0 +1,57 @@ +Qualcomm Shared Memory Manager binding + +This binding describes the Qualcomm Shared Memory Manager, used to share data +between various subsystems and OSes in Qualcomm platforms. + +- compatible: + Usage: required + Value type: + Definition: must be: + "qcom,smem" + +- memory-region: + Usage: required + Value type: + Definition: handle to memory reservation for main SMEM memory region. + +- qcom,rpm-msg-ram: + Usage: required + Value type: + Definition: handle to RPM message memory resource + +- hwlocks: + Usage: required + Value type: + Definition: reference to a hwspinlock used to protect allocations from + the shared memory + += EXAMPLE +The following example shows the SMEM setup for MSM8974, with a main SMEM region +at 0xfa00000 and the RPM message ram at 0xfc428000: + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + smem_region: smem@fa00000 { + reg = <0xfa00000 0x200000>; + no-map; + }; + }; + + smem@fa00000 { + compatible = "qcom,smem"; + + memory-region = <&smem_region>; + qcom,rpm-msg-ram = <&rpm_msg_ram>; + + hwlocks = <&tcsr_mutex 3>; + }; + + soc { + rpm_msg_ram: memory@fc428000 { + compatible = "qcom,rpm-msg-ram"; + reg = <0xfc428000 0x4000>; + }; + }; -- cgit v1.2.3 From 89c7e671289d142cff2cb0b98ef7c92de5deee03 Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Thu, 1 Oct 2015 14:56:02 +0530 Subject: arm: dts: qcom: Add #power-domain-cells property clock controller nodes which also support power domains (gdscs') need to have a #power-domain-cells property. Add these for gcc and mmcc nodes of msm8974, gcc of apq8084 and msm8916. Also update gcc and mmcc bindings for it. Signed-off-by: Rajendra Nayak Acked-by: Stephen Boyd Signed-off-by: Andy Gross --- Documentation/devicetree/bindings/clock/qcom,gcc.txt | 4 ++++ Documentation/devicetree/bindings/clock/qcom,mmcc.txt | 4 ++++ arch/arm/boot/dts/qcom-apq8084.dtsi | 1 + arch/arm/boot/dts/qcom-msm8974.dtsi | 2 ++ arch/arm64/boot/dts/qcom/msm8916.dtsi | 1 + 5 files changed, 12 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc.txt b/Documentation/devicetree/bindings/clock/qcom,gcc.txt index 54c23f34f194..152dfaab2575 100644 --- a/Documentation/devicetree/bindings/clock/qcom,gcc.txt +++ b/Documentation/devicetree/bindings/clock/qcom,gcc.txt @@ -18,10 +18,14 @@ Required properties : - #clock-cells : shall contain 1 - #reset-cells : shall contain 1 +Optional properties : +- #power-domain-cells : shall contain 1 + Example: clock-controller@900000 { compatible = "qcom,gcc-msm8960"; reg = <0x900000 0x4000>; #clock-cells = <1>; #reset-cells = <1>; + #power-domain-cells = <1>; }; diff --git a/Documentation/devicetree/bindings/clock/qcom,mmcc.txt b/Documentation/devicetree/bindings/clock/qcom,mmcc.txt index 29ebf84d25af..34e7614d5074 100644 --- a/Documentation/devicetree/bindings/clock/qcom,mmcc.txt +++ b/Documentation/devicetree/bindings/clock/qcom,mmcc.txt @@ -14,10 +14,14 @@ Required properties : - #clock-cells : shall contain 1 - #reset-cells : shall contain 1 +Optional properties : +- #power-domain-cells : shall contain 1 + Example: clock-controller@4000000 { compatible = "qcom,mmcc-msm8960"; reg = <0x4000000 0x1000>; #clock-cells = <1>; #reset-cells = <1>; + #power-domain-cells = <1>; }; diff --git a/arch/arm/boot/dts/qcom-apq8084.dtsi b/arch/arm/boot/dts/qcom-apq8084.dtsi index 0554fbd72c40..fcffecae3e67 100644 --- a/arch/arm/boot/dts/qcom-apq8084.dtsi +++ b/arch/arm/boot/dts/qcom-apq8084.dtsi @@ -221,6 +221,7 @@ compatible = "qcom,gcc-apq8084"; #clock-cells = <1>; #reset-cells = <1>; + #power-domain-cells = <1>; reg = <0xfc400000 0x4000>; }; diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi index f6791269dc65..0df5b62e93c7 100644 --- a/arch/arm/boot/dts/qcom-msm8974.dtsi +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi @@ -233,6 +233,7 @@ compatible = "qcom,gcc-msm8974"; #clock-cells = <1>; #reset-cells = <1>; + #power-domain-cells = <1>; reg = <0xfc400000 0x4000>; }; @@ -245,6 +246,7 @@ compatible = "qcom,mmcc-msm8974"; #clock-cells = <1>; #reset-cells = <1>; + #power-domain-cells = <1>; reg = <0xfd8c0000 0x6000>; }; diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 5911de008dd5..ac006e895e08 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -99,6 +99,7 @@ compatible = "qcom,gcc-msm8916"; #clock-cells = <1>; #reset-cells = <1>; + #power-domain-cells = <1>; reg = <0x1800000 0x80000>; }; -- cgit v1.2.3 From adb9c60796dba2b2be83f75c7cec59cff11d94ad Mon Sep 17 00:00:00 2001 From: Courtney Cavin Date: Thu, 30 Jul 2015 10:53:55 -0700 Subject: dt-binding: power: Add Qualcomm SMBB binding Add the Qualcomm Switch-Mode Battery Charger and Boost device tree binding. Signed-off-by: Courtney Cavin Signed-off-by: Bjorn Andersson Signed-off-by: Andy Gross --- .../devicetree/bindings/power_supply/qcom_smbb.txt | 131 +++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 Documentation/devicetree/bindings/power_supply/qcom_smbb.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/power_supply/qcom_smbb.txt b/Documentation/devicetree/bindings/power_supply/qcom_smbb.txt new file mode 100644 index 000000000000..65b88fac854b --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/qcom_smbb.txt @@ -0,0 +1,131 @@ +Qualcomm Switch-Mode Battery Charger and Boost + +PROPERTIES +- compatible: + Usage: required + Value type: + Description: Must be one of: + - "qcom,pm8941-charger" + +- reg: + Usage: required + Value type: + Description: Base address of registers for SMBB block + +- interrupts: + Usage: required + Value type: + Description: The format of the specifier is defined by the binding document + describing the node's interrupt parent. Must contain one + specifier for each of the following interrupts, in order: + - charge done + - charge fast mode + - charge trickle mode + - battery temperature ok + - battery present + - charger disconnected + - USB-in valid + - DC-in valid + +- interrupt-names: + Usage: required + Value type: + Description: Must contain the following list, strictly ordered: + "chg-done", + "chg-fast", + "chg-trkl", + "bat-temp-ok", + "bat-present", + "chg-gone", + "usb-valid", + "dc-valid" + +- qcom,fast-charge-current-limit: + Usage: optional (default: 1A, or pre-configured value) + Value type: ; uA; range [100mA : 3A] + Description: Maximum charge current; May be clamped to safety limits. + +- qcom,fast-charge-low-threshold-voltage: + Usage: optional (default: 3.2V, or pre-configured value) + Value type: ; uV; range [2.1V : 3.6V] + Description: Battery voltage limit above which fast charging may operate; + Below this value linear or switch-mode auto-trickle-charging + will operate. + +- qcom,fast-charge-high-threshold-voltage: + Usage: optional (default: 4.2V, or pre-configured value) + Value type: ; uV; range [3.24V : 5V] + Description: Battery voltage limit below which fast charging may operate; + The fast charger will attempt to charge the battery to this + voltage. May be clamped to safety limits. + +- qcom,fast-charge-safe-voltage: + Usage: optional (default: 4.2V, or pre-configured value) + Value type: ; uV; range [3.24V : 5V] + Description: Maximum safe battery voltage; May be pre-set by bootloader, in + which case, setting this will harmlessly fail. The property + 'fast-charge-high-watermark' will be clamped by this value. + +- qcom,fast-charge-safe-current: + Usage: optional (default: 1A, or pre-configured value) + Value type: ; uA; range [100mA : 3A] + Description: Maximum safe battery charge current; May pre-set by bootloader, + in which case, setting this will harmlessly fail. The property + 'qcom,fast-charge-current-limit' will be clamped by this value. + +- qcom,auto-recharge-threshold-voltage: + Usage: optional (default: 4.1V, or pre-configured value) + Value type: ; uV; range [3.24V : 5V] + Description: Battery voltage limit below which auto-recharge functionality + will restart charging after end-of-charge; The high cutoff + limit for auto-recharge is 5% above this value. + +- qcom,minimum-input-voltage: + Usage: optional (default: 4.3V, or pre-configured value) + Value type: ; uV; range [4.2V : 9.6V] + Description: Input voltage level above which charging may operate + +- qcom,dc-current-limit: + Usage: optional (default: 100mA, or pre-configured value) + Value type: ; uA; range [100mA : 2.5A] + Description: Default DC charge current limit + +- qcom,disable-dc: + Usage: optional (default: false) + Value type: boolean: or + Description: Disable DC charger + +- qcom,jeita-extended-temp-range: + Usage: optional (default: false) + Value type: boolean: or + Description: Enable JEITA extended temperature range; This does *not* + adjust the maximum charge voltage or current in the extended + temperature range. It only allows charging when the battery + is in the extended temperature range. Voltage/current + regulation must be done externally to fully comply with + the JEITA safety guidelines if this flag is set. + +EXAMPLE +charger@1000 { + compatible = "qcom,pm8941-charger"; + reg = <0x1000 0x700>; + interrupts = <0x0 0x10 7 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x10 5 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x10 4 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x12 1 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x12 0 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x13 2 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x13 1 IRQ_TYPE_EDGE_BOTH>, + <0x0 0x14 1 IRQ_TYPE_EDGE_BOTH>; + interrupt-names = "chg-done", + "chg-fast", + "chg-trkl", + "bat-temp-ok", + "bat-present", + "chg-gone", + "usb-valid", + "dc-valid"; + + qcom,fast-charge-current-limit = <1000000>; + qcom,dc-charge-current-limit = <1000000>; +}; -- cgit v1.2.3