Re: [PATCH 1/4] mfd: 88pm800: add device tree support
On Tuesday 16 June 2015 06:32 PM, Rob Herring wrote: On Tue, Jun 16, 2015 at 2:52 AM, Vaibhav Hiremath wrote: On Monday 01 June 2015 02:08 PM, Lee Jones wrote: On Sat, 30 May 2015, Vaibhav Hiremath wrote: Thanks for your review. and sorry for delayed response. Add DT support to the 88pm800 driver along with below properties - marvell,88pm800-irq-write-clear : Idicates whether interrupt status is cleared by write Also, creates the DT binding text file, Documentation/devicetree/bindings/mfd/88pm800.txt Signed-off-by: Chao Xie Signed-off-by: Vaibhav Hiremath --- Documentation/devicetree/bindings/mfd/88pm800.txt | 57 +++ drivers/mfd/88pm800.c | 39 These should be submitted separately. Ok, will separate it in next version. 2 files changed, 96 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt b/Documentation/devicetree/bindings/mfd/88pm800.txt new file mode 100644 index 000..094951b --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/88pm800.txt @@ -0,0 +1,57 @@ +* Marvell 88PM800 Power Management IC Might as well name this 88PM8xx from the start. Good point. Will include it in next version. I am ready with V2, but luckily I did not sent next version, as I wanted to wait for Lee's response. :) + +Required parent device properties: +- compatible : "marvell,88pm800" You might as well include 88pm805 and 88pm860 here since 805 support is in the kernel and you will be submitting 860 support. They don't have to be added with driver support. Ok. +- reg : the I2C slave address for the 88pm800 chip +- interrupts : IRQ line for the 88pm800 chip +- interrupt-controller: describes the 88pm800 as an interrupt controller +- #interrupt-cells : should be 1. + - The cell is the 88pm800 local IRQ number + +Optional parent device properties: +- marvell,88pm800-irq-write-clr: indicates whether interrupt status is cleared by write Drop the device name. These bindings should be as generic as possible. OK, how about simply "mfd-irq_clr_on_write" No, mfd is a Linux name which doesn't belong in bindings, and underscores are generally not used. Oops. underscore is just typo. did not meant it. I think Lee meant marvell,irq-write-clr or irq-write-clr. will pick "marvell,irq-write-clr" This could also just be dropped altogether and set based on the compatible strings with match data. It is configurable option, can be changed. so we still need get an input. Also describe what the absence of the property means. Ok. +88pm800 consists of a large and varied group of sub-devices: 3? I have explicitly mentioned in note that more device list will follow. I just wanted to add entries as and when we add/enable driver support. +Device Supply NamesDescription +-- --- +88pm80x-onkey : : On key +88pm80x-rtc: : RTC +88pm80x: : Regulators Surely regulators is 88pm80x-regulator, no? did not understand what change is expected here. The node name for regulators node should be 88pm80x-regulator? But these don't correspond to node names based on the example and the example is correct IMO. So these are Linux driver names? If so, they don't belong in the binding doc. What you need is to document the sub-node compatible strings Hmmm, Got it. rtc and onkey are compatible strings only, I made mistake on regulator. I will change to "88pm80x-regulator". Thanks, Vaibhav -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/4] mfd: 88pm800: add device tree support
On Tue, Jun 16, 2015 at 2:52 AM, Vaibhav Hiremath wrote: > > > On Monday 01 June 2015 02:08 PM, Lee Jones wrote: >> >> On Sat, 30 May 2015, Vaibhav Hiremath wrote: >> > > Thanks for your review. and sorry for delayed response. > >>> Add DT support to the 88pm800 driver along with below properties >>> - marvell,88pm800-irq-write-clear : >>> Idicates whether interrupt status is cleared by write >>> >>> Also, creates the DT binding text file, >>> Documentation/devicetree/bindings/mfd/88pm800.txt >>> >>> Signed-off-by: Chao Xie >>> Signed-off-by: Vaibhav Hiremath >>> --- >>> Documentation/devicetree/bindings/mfd/88pm800.txt | 57 >>> +++ >>> drivers/mfd/88pm800.c | 39 >> >> >> These should be submitted separately. >> > > > Ok, will separate it in next version. > > >>> 2 files changed, 96 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt >>> >>> diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt >>> b/Documentation/devicetree/bindings/mfd/88pm800.txt >>> new file mode 100644 >>> index 000..094951b >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/mfd/88pm800.txt >>> @@ -0,0 +1,57 @@ >>> +* Marvell 88PM800 Power Management IC Might as well name this 88PM8xx from the start. >>> + >>> +Required parent device properties: >>> +- compatible : "marvell,88pm800" You might as well include 88pm805 and 88pm860 here since 805 support is in the kernel and you will be submitting 860 support. They don't have to be added with driver support. >>> +- reg : the I2C slave address for the 88pm800 chip >>> +- interrupts : IRQ line for the 88pm800 chip >>> +- interrupt-controller: describes the 88pm800 as an interrupt controller >>> +- #interrupt-cells : should be 1. >>> + - The cell is the 88pm800 local IRQ number >>> + >>> +Optional parent device properties: >>> +- marvell,88pm800-irq-write-clr: indicates whether interrupt status is >>> cleared by write >> >> >> Drop the device name. These bindings should be as generic as possible. >> > > OK, how about simply > > "mfd-irq_clr_on_write" No, mfd is a Linux name which doesn't belong in bindings, and underscores are generally not used. I think Lee meant marvell,irq-write-clr or irq-write-clr. This could also just be dropped altogether and set based on the compatible strings with match data. >> Also describe what the absence of the property means. >> > > Ok. > >>> +88pm800 consists of a large and varied group of sub-devices: >> >> >> 3? >> > > I have explicitly mentioned in note that more device list will follow. > I just wanted to add entries as and when we add/enable driver support. > >>> +Device Supply NamesDescription >>> +-- --- >>> +88pm80x-onkey : : On key >>> +88pm80x-rtc: : RTC >>> +88pm80x: : Regulators >> >> >> Surely regulators is 88pm80x-regulator, no? >> > > did not understand what change is expected here. The node name for regulators node should be 88pm80x-regulator? But these don't correspond to node names based on the example and the example is correct IMO. So these are Linux driver names? If so, they don't belong in the binding doc. What you need is to document the sub-node compatible strings Rob -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/4] mfd: 88pm800: add device tree support
On Monday 01 June 2015 02:08 PM, Lee Jones wrote:
On Sat, 30 May 2015, Vaibhav Hiremath wrote:
Thanks for your review. and sorry for delayed response.
Add DT support to the 88pm800 driver along with below properties
- marvell,88pm800-irq-write-clear :
Idicates whether interrupt status is cleared by write
Also, creates the DT binding text file,
Documentation/devicetree/bindings/mfd/88pm800.txt
Signed-off-by: Chao Xie
Signed-off-by: Vaibhav Hiremath
---
Documentation/devicetree/bindings/mfd/88pm800.txt | 57 +++
drivers/mfd/88pm800.c | 39
These should be submitted separately.
Ok, will separate it in next version.
2 files changed, 96 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt
diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt
b/Documentation/devicetree/bindings/mfd/88pm800.txt
new file mode 100644
index 000..094951b
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/88pm800.txt
@@ -0,0 +1,57 @@
+* Marvell 88PM800 Power Management IC
+
+Required parent device properties:
+- compatible : "marvell,88pm800"
+- reg : the I2C slave address for the 88pm800 chip
+- interrupts : IRQ line for the 88pm800 chip
+- interrupt-controller: describes the 88pm800 as an interrupt controller
+- #interrupt-cells : should be 1.
+ - The cell is the 88pm800 local IRQ number
+
+Optional parent device properties:
+- marvell,88pm800-irq-write-clr: indicates whether interrupt status is cleared
by write
Drop the device name. These bindings should be as generic as possible.
OK, how about simply
"mfd-irq_clr_on_write"
Also describe what the absence of the property means.
Ok.
+88pm800 consists of a large and varied group of sub-devices:
3?
I have explicitly mentioned in note that more device list will follow.
I just wanted to add entries as and when we add/enable driver support.
+Device Supply NamesDescription
+-- ---
+88pm80x-onkey : : On key
+88pm80x-rtc: : RTC
+88pm80x: : Regulators
Surely regulators is 88pm80x-regulator, no?
did not understand what change is expected here.
+Note: More device list will follow
+
+Example:
+
+ pmic: 88pm800@30 {
+ compatible = "marvell,88pm800";
+ reg = <0x30>;
+ interrupts = <0 77 0x4>;
Please use the #defines in include/dt-bindings/
Ok.
+ interrupt-parent = <>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ marvell,88pm800-irq-write-clr;
+
+ regulators {
+ compatible = "marvell,88pm80x-regulator";
+
+ buck1a: BUCK1A {
+ regulator-compatible = "88PM800-BUCK1A";
+ regulator-min-microvolt = <60>;
+ regulator-max-microvolt = <180>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ ldo1: LDO1 {
+ regulator-compatible = "88PM800-LDO1";
+ regulator-min-microvolt = <170>;
+ regulator-max-microvolt = <330>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
'\n' here.
+ rtc {
+ compatible = "marvell,88pm80x-rtc";
+ };
+ };
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index 841717a..06ee058 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -27,6 +27,7 @@
#include
#include
#include
+#include
/* Interrupt Registers */
#define PM800_INT_STATUS1 (0x05)
@@ -121,6 +122,11 @@ static const struct i2c_device_id pm80x_id_table[] = {
};
MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
+static const struct of_device_id pm80x_of_match_table[] = {
+ { .compatible = "marvell,88pm800", },
+ {},
+};
+
static struct resource rtc_resources[] = {
{
.name = "88pm80x-rtc",
@@ -133,6 +139,7 @@ static struct resource rtc_resources[] = {
static struct mfd_cell rtc_devs[] = {
{
.name = "88pm80x-rtc",
+.of_compatible = "marvell,88pm80x-rtc",
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = _resources[0],
.id = -1,
@@ -151,6 +158,7 @@ static struct resource onkey_resources[] = {
static const struct mfd_cell onkey_devs[] = {
{
.name = "88pm80x-onkey",
+.of_compatible = "marvell,88pm80x-onkey",
.num_resources = 1,
.resources = _resources[0],
.id = -1,
@@
Re: [PATCH 1/4] mfd: 88pm800: add device tree support
On Tue, Jun 16, 2015 at 2:52 AM, Vaibhav Hiremath vaibhav.hirem...@linaro.org wrote: On Monday 01 June 2015 02:08 PM, Lee Jones wrote: On Sat, 30 May 2015, Vaibhav Hiremath wrote: Thanks for your review. and sorry for delayed response. Add DT support to the 88pm800 driver along with below properties - marvell,88pm800-irq-write-clear : Idicates whether interrupt status is cleared by write Also, creates the DT binding text file, Documentation/devicetree/bindings/mfd/88pm800.txt Signed-off-by: Chao Xie chao@marvell.com Signed-off-by: Vaibhav Hiremath vaibhav.hirem...@linaro.org --- Documentation/devicetree/bindings/mfd/88pm800.txt | 57 +++ drivers/mfd/88pm800.c | 39 These should be submitted separately. Ok, will separate it in next version. 2 files changed, 96 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt b/Documentation/devicetree/bindings/mfd/88pm800.txt new file mode 100644 index 000..094951b --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/88pm800.txt @@ -0,0 +1,57 @@ +* Marvell 88PM800 Power Management IC Might as well name this 88PM8xx from the start. + +Required parent device properties: +- compatible : marvell,88pm800 You might as well include 88pm805 and 88pm860 here since 805 support is in the kernel and you will be submitting 860 support. They don't have to be added with driver support. +- reg : the I2C slave address for the 88pm800 chip +- interrupts : IRQ line for the 88pm800 chip +- interrupt-controller: describes the 88pm800 as an interrupt controller +- #interrupt-cells : should be 1. + - The cell is the 88pm800 local IRQ number + +Optional parent device properties: +- marvell,88pm800-irq-write-clr: indicates whether interrupt status is cleared by write Drop the device name. These bindings should be as generic as possible. OK, how about simply mfd-irq_clr_on_write No, mfd is a Linux name which doesn't belong in bindings, and underscores are generally not used. I think Lee meant marvell,irq-write-clr or irq-write-clr. This could also just be dropped altogether and set based on the compatible strings with match data. Also describe what the absence of the property means. Ok. +88pm800 consists of a large and varied group of sub-devices: 3? I have explicitly mentioned in note that more device list will follow. I just wanted to add entries as and when we add/enable driver support. +Device Supply NamesDescription +-- --- +88pm80x-onkey : : On key +88pm80x-rtc: : RTC +88pm80x: : Regulators Surely regulators is 88pm80x-regulator, no? did not understand what change is expected here. The node name for regulators node should be 88pm80x-regulator? But these don't correspond to node names based on the example and the example is correct IMO. So these are Linux driver names? If so, they don't belong in the binding doc. What you need is to document the sub-node compatible strings Rob -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/4] mfd: 88pm800: add device tree support
On Tuesday 16 June 2015 06:32 PM, Rob Herring wrote: On Tue, Jun 16, 2015 at 2:52 AM, Vaibhav Hiremath vaibhav.hirem...@linaro.org wrote: On Monday 01 June 2015 02:08 PM, Lee Jones wrote: On Sat, 30 May 2015, Vaibhav Hiremath wrote: Thanks for your review. and sorry for delayed response. Add DT support to the 88pm800 driver along with below properties - marvell,88pm800-irq-write-clear : Idicates whether interrupt status is cleared by write Also, creates the DT binding text file, Documentation/devicetree/bindings/mfd/88pm800.txt Signed-off-by: Chao Xie chao@marvell.com Signed-off-by: Vaibhav Hiremath vaibhav.hirem...@linaro.org --- Documentation/devicetree/bindings/mfd/88pm800.txt | 57 +++ drivers/mfd/88pm800.c | 39 These should be submitted separately. Ok, will separate it in next version. 2 files changed, 96 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt b/Documentation/devicetree/bindings/mfd/88pm800.txt new file mode 100644 index 000..094951b --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/88pm800.txt @@ -0,0 +1,57 @@ +* Marvell 88PM800 Power Management IC Might as well name this 88PM8xx from the start. Good point. Will include it in next version. I am ready with V2, but luckily I did not sent next version, as I wanted to wait for Lee's response. :) + +Required parent device properties: +- compatible : marvell,88pm800 You might as well include 88pm805 and 88pm860 here since 805 support is in the kernel and you will be submitting 860 support. They don't have to be added with driver support. Ok. +- reg : the I2C slave address for the 88pm800 chip +- interrupts : IRQ line for the 88pm800 chip +- interrupt-controller: describes the 88pm800 as an interrupt controller +- #interrupt-cells : should be 1. + - The cell is the 88pm800 local IRQ number + +Optional parent device properties: +- marvell,88pm800-irq-write-clr: indicates whether interrupt status is cleared by write Drop the device name. These bindings should be as generic as possible. OK, how about simply mfd-irq_clr_on_write No, mfd is a Linux name which doesn't belong in bindings, and underscores are generally not used. Oops. underscore is just typo. did not meant it. I think Lee meant marvell,irq-write-clr or irq-write-clr. will pick marvell,irq-write-clr This could also just be dropped altogether and set based on the compatible strings with match data. It is configurable option, can be changed. so we still need get an input. Also describe what the absence of the property means. Ok. +88pm800 consists of a large and varied group of sub-devices: 3? I have explicitly mentioned in note that more device list will follow. I just wanted to add entries as and when we add/enable driver support. +Device Supply NamesDescription +-- --- +88pm80x-onkey : : On key +88pm80x-rtc: : RTC +88pm80x: : Regulators Surely regulators is 88pm80x-regulator, no? did not understand what change is expected here. The node name for regulators node should be 88pm80x-regulator? But these don't correspond to node names based on the example and the example is correct IMO. So these are Linux driver names? If so, they don't belong in the binding doc. What you need is to document the sub-node compatible strings Hmmm, Got it. rtc and onkey are compatible strings only, I made mistake on regulator. I will change to 88pm80x-regulator. Thanks, Vaibhav -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/4] mfd: 88pm800: add device tree support
On Monday 01 June 2015 02:08 PM, Lee Jones wrote:
On Sat, 30 May 2015, Vaibhav Hiremath wrote:
Thanks for your review. and sorry for delayed response.
Add DT support to the 88pm800 driver along with below properties
- marvell,88pm800-irq-write-clear :
Idicates whether interrupt status is cleared by write
Also, creates the DT binding text file,
Documentation/devicetree/bindings/mfd/88pm800.txt
Signed-off-by: Chao Xie chao@marvell.com
Signed-off-by: Vaibhav Hiremath vaibhav.hirem...@linaro.org
---
Documentation/devicetree/bindings/mfd/88pm800.txt | 57 +++
drivers/mfd/88pm800.c | 39
These should be submitted separately.
Ok, will separate it in next version.
2 files changed, 96 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt
diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt
b/Documentation/devicetree/bindings/mfd/88pm800.txt
new file mode 100644
index 000..094951b
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/88pm800.txt
@@ -0,0 +1,57 @@
+* Marvell 88PM800 Power Management IC
+
+Required parent device properties:
+- compatible : marvell,88pm800
+- reg : the I2C slave address for the 88pm800 chip
+- interrupts : IRQ line for the 88pm800 chip
+- interrupt-controller: describes the 88pm800 as an interrupt controller
+- #interrupt-cells : should be 1.
+ - The cell is the 88pm800 local IRQ number
+
+Optional parent device properties:
+- marvell,88pm800-irq-write-clr: indicates whether interrupt status is cleared
by write
Drop the device name. These bindings should be as generic as possible.
OK, how about simply
mfd-irq_clr_on_write
Also describe what the absence of the property means.
Ok.
+88pm800 consists of a large and varied group of sub-devices:
3?
I have explicitly mentioned in note that more device list will follow.
I just wanted to add entries as and when we add/enable driver support.
+Device Supply NamesDescription
+-- ---
+88pm80x-onkey : : On key
+88pm80x-rtc: : RTC
+88pm80x: : Regulators
Surely regulators is 88pm80x-regulator, no?
did not understand what change is expected here.
+Note: More device list will follow
+
+Example:
+
+ pmic: 88pm800@30 {
+ compatible = marvell,88pm800;
+ reg = 0x30;
+ interrupts = 0 77 0x4;
Please use the #defines in include/dt-bindings/
Ok.
+ interrupt-parent = gic;
+ interrupt-controller;
+ #interrupt-cells = 1;
+
+ marvell,88pm800-irq-write-clr;
+
+ regulators {
+ compatible = marvell,88pm80x-regulator;
+
+ buck1a: BUCK1A {
+ regulator-compatible = 88PM800-BUCK1A;
+ regulator-min-microvolt = 60;
+ regulator-max-microvolt = 180;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ ldo1: LDO1 {
+ regulator-compatible = 88PM800-LDO1;
+ regulator-min-microvolt = 170;
+ regulator-max-microvolt = 330;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
'\n' here.
+ rtc {
+ compatible = marvell,88pm80x-rtc;
+ };
+ };
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index 841717a..06ee058 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -27,6 +27,7 @@
#include linux/mfd/core.h
#include linux/mfd/88pm80x.h
#include linux/slab.h
+#include linux/of_device.h
/* Interrupt Registers */
#define PM800_INT_STATUS1 (0x05)
@@ -121,6 +122,11 @@ static const struct i2c_device_id pm80x_id_table[] = {
};
MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
+static const struct of_device_id pm80x_of_match_table[] = {
+ { .compatible = marvell,88pm800, },
+ {},
+};
+
static struct resource rtc_resources[] = {
{
.name = 88pm80x-rtc,
@@ -133,6 +139,7 @@ static struct resource rtc_resources[] = {
static struct mfd_cell rtc_devs[] = {
{
.name = 88pm80x-rtc,
+.of_compatible = marvell,88pm80x-rtc,
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = rtc_resources[0],
.id = -1,
@@ -151,6 +158,7 @@ static struct resource onkey_resources[] = {
static const struct mfd_cell onkey_devs[] = {
{
.name = 88pm80x-onkey,
+.of_compatible = marvell,88pm80x-onkey,
Re: [PATCH 1/4] mfd: 88pm800: add device tree support
On Sat, 30 May 2015, Vaibhav Hiremath wrote:
> Add DT support to the 88pm800 driver along with below properties
> - marvell,88pm800-irq-write-clear :
> Idicates whether interrupt status is cleared by write
>
> Also, creates the DT binding text file,
> Documentation/devicetree/bindings/mfd/88pm800.txt
>
> Signed-off-by: Chao Xie
> Signed-off-by: Vaibhav Hiremath
> ---
> Documentation/devicetree/bindings/mfd/88pm800.txt | 57
> +++
> drivers/mfd/88pm800.c | 39
These should be submitted separately.
> 2 files changed, 96 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt
> b/Documentation/devicetree/bindings/mfd/88pm800.txt
> new file mode 100644
> index 000..094951b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/88pm800.txt
> @@ -0,0 +1,57 @@
> +* Marvell 88PM800 Power Management IC
> +
> +Required parent device properties:
> +- compatible : "marvell,88pm800"
> +- reg : the I2C slave address for the 88pm800 chip
> +- interrupts : IRQ line for the 88pm800 chip
> +- interrupt-controller: describes the 88pm800 as an interrupt controller
> +- #interrupt-cells : should be 1.
> + - The cell is the 88pm800 local IRQ number
> +
> +Optional parent device properties:
> +- marvell,88pm800-irq-write-clr: indicates whether interrupt status is
> cleared by write
Drop the device name. These bindings should be as generic as possible.
Also describe what the absence of the property means.
> +88pm800 consists of a large and varied group of sub-devices:
3?
> +DeviceSupply NamesDescription
> +-----
> +88pm80x-onkey: : On key
> +88pm80x-rtc : : RTC
> +88pm80x : : Regulators
Surely regulators is 88pm80x-regulator, no?
> +Note: More device list will follow
> +
> +Example:
> +
> + pmic: 88pm800@30 {
> + compatible = "marvell,88pm800";
> + reg = <0x30>;
> + interrupts = <0 77 0x4>;
Please use the #defines in include/dt-bindings/
> + interrupt-parent = <>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> +
> + marvell,88pm800-irq-write-clr;
> +
> + regulators {
> + compatible = "marvell,88pm80x-regulator";
> +
> + buck1a: BUCK1A {
> + regulator-compatible = "88PM800-BUCK1A";
> + regulator-min-microvolt = <60>;
> + regulator-max-microvolt = <180>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + ldo1: LDO1 {
> + regulator-compatible = "88PM800-LDO1";
> + regulator-min-microvolt = <170>;
> + regulator-max-microvolt = <330>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
'\n' here.
> + rtc {
> + compatible = "marvell,88pm80x-rtc";
> + };
> + };
> diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
> index 841717a..06ee058 100644
> --- a/drivers/mfd/88pm800.c
> +++ b/drivers/mfd/88pm800.c
> @@ -27,6 +27,7 @@
> #include
> #include
> #include
> +#include
>
> /* Interrupt Registers */
> #define PM800_INT_STATUS1(0x05)
> @@ -121,6 +122,11 @@ static const struct i2c_device_id pm80x_id_table[] = {
> };
> MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
>
> +static const struct of_device_id pm80x_of_match_table[] = {
> + { .compatible = "marvell,88pm800", },
> + {},
> +};
> +
> static struct resource rtc_resources[] = {
> {
>.name = "88pm80x-rtc",
> @@ -133,6 +139,7 @@ static struct resource rtc_resources[] = {
> static struct mfd_cell rtc_devs[] = {
> {
>.name = "88pm80x-rtc",
> + .of_compatible = "marvell,88pm80x-rtc",
>.num_resources = ARRAY_SIZE(rtc_resources),
>.resources = _resources[0],
>.id = -1,
> @@ -151,6 +158,7 @@ static struct resource onkey_resources[] = {
> static const struct mfd_cell onkey_devs[] = {
> {
>.name = "88pm80x-onkey",
> + .of_compatible = "marvell,88pm80x-onkey",
>.num_resources = 1,
>.resources = _resources[0],
>.id = -1,
> @@ -160,6 +168,7 @@ static const struct mfd_cell onkey_devs[] = {
> static const struct mfd_cell regulator_devs[] = {
> {
>.name = "88pm80x-regulator",
> + .of_compatible = "marvell,88pm80x-regulator",
>.id = -1,
> },
> };
> @@ -538,14 +547,43 @@ out:
>
Re: [PATCH 1/4] mfd: 88pm800: add device tree support
On Sat, 30 May 2015, Vaibhav Hiremath wrote:
Add DT support to the 88pm800 driver along with below properties
- marvell,88pm800-irq-write-clear :
Idicates whether interrupt status is cleared by write
Also, creates the DT binding text file,
Documentation/devicetree/bindings/mfd/88pm800.txt
Signed-off-by: Chao Xie chao@marvell.com
Signed-off-by: Vaibhav Hiremath vaibhav.hirem...@linaro.org
---
Documentation/devicetree/bindings/mfd/88pm800.txt | 57
+++
drivers/mfd/88pm800.c | 39
These should be submitted separately.
2 files changed, 96 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt
diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt
b/Documentation/devicetree/bindings/mfd/88pm800.txt
new file mode 100644
index 000..094951b
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/88pm800.txt
@@ -0,0 +1,57 @@
+* Marvell 88PM800 Power Management IC
+
+Required parent device properties:
+- compatible : marvell,88pm800
+- reg : the I2C slave address for the 88pm800 chip
+- interrupts : IRQ line for the 88pm800 chip
+- interrupt-controller: describes the 88pm800 as an interrupt controller
+- #interrupt-cells : should be 1.
+ - The cell is the 88pm800 local IRQ number
+
+Optional parent device properties:
+- marvell,88pm800-irq-write-clr: indicates whether interrupt status is
cleared by write
Drop the device name. These bindings should be as generic as possible.
Also describe what the absence of the property means.
+88pm800 consists of a large and varied group of sub-devices:
3?
+DeviceSupply NamesDescription
+-----
+88pm80x-onkey: : On key
+88pm80x-rtc : : RTC
+88pm80x : : Regulators
Surely regulators is 88pm80x-regulator, no?
+Note: More device list will follow
+
+Example:
+
+ pmic: 88pm800@30 {
+ compatible = marvell,88pm800;
+ reg = 0x30;
+ interrupts = 0 77 0x4;
Please use the #defines in include/dt-bindings/
+ interrupt-parent = gic;
+ interrupt-controller;
+ #interrupt-cells = 1;
+
+ marvell,88pm800-irq-write-clr;
+
+ regulators {
+ compatible = marvell,88pm80x-regulator;
+
+ buck1a: BUCK1A {
+ regulator-compatible = 88PM800-BUCK1A;
+ regulator-min-microvolt = 60;
+ regulator-max-microvolt = 180;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ ldo1: LDO1 {
+ regulator-compatible = 88PM800-LDO1;
+ regulator-min-microvolt = 170;
+ regulator-max-microvolt = 330;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
'\n' here.
+ rtc {
+ compatible = marvell,88pm80x-rtc;
+ };
+ };
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index 841717a..06ee058 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -27,6 +27,7 @@
#include linux/mfd/core.h
#include linux/mfd/88pm80x.h
#include linux/slab.h
+#include linux/of_device.h
/* Interrupt Registers */
#define PM800_INT_STATUS1(0x05)
@@ -121,6 +122,11 @@ static const struct i2c_device_id pm80x_id_table[] = {
};
MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
+static const struct of_device_id pm80x_of_match_table[] = {
+ { .compatible = marvell,88pm800, },
+ {},
+};
+
static struct resource rtc_resources[] = {
{
.name = 88pm80x-rtc,
@@ -133,6 +139,7 @@ static struct resource rtc_resources[] = {
static struct mfd_cell rtc_devs[] = {
{
.name = 88pm80x-rtc,
+ .of_compatible = marvell,88pm80x-rtc,
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = rtc_resources[0],
.id = -1,
@@ -151,6 +158,7 @@ static struct resource onkey_resources[] = {
static const struct mfd_cell onkey_devs[] = {
{
.name = 88pm80x-onkey,
+ .of_compatible = marvell,88pm80x-onkey,
.num_resources = 1,
.resources = onkey_resources[0],
.id = -1,
@@ -160,6 +168,7 @@ static const struct mfd_cell onkey_devs[] = {
static const struct mfd_cell regulator_devs[] = {
{
.name = 88pm80x-regulator,
+ .of_compatible = marvell,88pm80x-regulator,
.id = -1,
},
};
@@ -538,14 +547,43 @@ out:
return ret;
}
+static int
[PATCH 1/4] mfd: 88pm800: add device tree support
Add DT support to the 88pm800 driver along with below properties
- marvell,88pm800-irq-write-clear :
Idicates whether interrupt status is cleared by write
Also, creates the DT binding text file,
Documentation/devicetree/bindings/mfd/88pm800.txt
Signed-off-by: Chao Xie
Signed-off-by: Vaibhav Hiremath
---
Documentation/devicetree/bindings/mfd/88pm800.txt | 57 +++
drivers/mfd/88pm800.c | 39
2 files changed, 96 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt
diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt
b/Documentation/devicetree/bindings/mfd/88pm800.txt
new file mode 100644
index 000..094951b
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/88pm800.txt
@@ -0,0 +1,57 @@
+* Marvell 88PM800 Power Management IC
+
+Required parent device properties:
+- compatible : "marvell,88pm800"
+- reg : the I2C slave address for the 88pm800 chip
+- interrupts : IRQ line for the 88pm800 chip
+- interrupt-controller: describes the 88pm800 as an interrupt controller
+- #interrupt-cells : should be 1.
+ - The cell is the 88pm800 local IRQ number
+
+Optional parent device properties:
+- marvell,88pm800-irq-write-clr: indicates whether interrupt status is cleared
by write
+
+88pm800 consists of a large and varied group of sub-devices:
+
+Device Supply NamesDescription
+-- ---
+88pm80x-onkey : : On key
+88pm80x-rtc: : RTC
+88pm80x: : Regulators
+
+Note: More device list will follow
+
+Example:
+
+ pmic: 88pm800@30 {
+ compatible = "marvell,88pm800";
+ reg = <0x30>;
+ interrupts = <0 77 0x4>;
+ interrupt-parent = <>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ marvell,88pm800-irq-write-clr;
+
+ regulators {
+ compatible = "marvell,88pm80x-regulator";
+
+ buck1a: BUCK1A {
+ regulator-compatible = "88PM800-BUCK1A";
+ regulator-min-microvolt = <60>;
+ regulator-max-microvolt = <180>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ ldo1: LDO1 {
+ regulator-compatible = "88PM800-LDO1";
+ regulator-min-microvolt = <170>;
+ regulator-max-microvolt = <330>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ rtc {
+ compatible = "marvell,88pm80x-rtc";
+ };
+ };
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index 841717a..06ee058 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -27,6 +27,7 @@
#include
#include
#include
+#include
/* Interrupt Registers */
#define PM800_INT_STATUS1 (0x05)
@@ -121,6 +122,11 @@ static const struct i2c_device_id pm80x_id_table[] = {
};
MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
+static const struct of_device_id pm80x_of_match_table[] = {
+ { .compatible = "marvell,88pm800", },
+ {},
+};
+
static struct resource rtc_resources[] = {
{
.name = "88pm80x-rtc",
@@ -133,6 +139,7 @@ static struct resource rtc_resources[] = {
static struct mfd_cell rtc_devs[] = {
{
.name = "88pm80x-rtc",
+.of_compatible = "marvell,88pm80x-rtc",
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = _resources[0],
.id = -1,
@@ -151,6 +158,7 @@ static struct resource onkey_resources[] = {
static const struct mfd_cell onkey_devs[] = {
{
.name = "88pm80x-onkey",
+.of_compatible = "marvell,88pm80x-onkey",
.num_resources = 1,
.resources = _resources[0],
.id = -1,
@@ -160,6 +168,7 @@ static const struct mfd_cell onkey_devs[] = {
static const struct mfd_cell regulator_devs[] = {
{
.name = "88pm80x-regulator",
+.of_compatible = "marvell,88pm80x-regulator",
.id = -1,
},
};
@@ -538,14 +547,43 @@ out:
return ret;
}
+static int pm800_probe_dt(struct device_node *np,
+struct device *dev,
+struct pm80x_platform_data *pdata)
+{
+ pdata->irq_mode =
+ of_property_read_bool(np, "marvell,88pm800-irq-write-clear");
+
+ return 0;
+}
+
+
static int pm800_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int ret = 0;
struct pm80x_chip
[PATCH 1/4] mfd: 88pm800: add device tree support
Add DT support to the 88pm800 driver along with below properties
- marvell,88pm800-irq-write-clear :
Idicates whether interrupt status is cleared by write
Also, creates the DT binding text file,
Documentation/devicetree/bindings/mfd/88pm800.txt
Signed-off-by: Chao Xie chao@marvell.com
Signed-off-by: Vaibhav Hiremath vaibhav.hirem...@linaro.org
---
Documentation/devicetree/bindings/mfd/88pm800.txt | 57 +++
drivers/mfd/88pm800.c | 39
2 files changed, 96 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/88pm800.txt
diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt
b/Documentation/devicetree/bindings/mfd/88pm800.txt
new file mode 100644
index 000..094951b
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/88pm800.txt
@@ -0,0 +1,57 @@
+* Marvell 88PM800 Power Management IC
+
+Required parent device properties:
+- compatible : marvell,88pm800
+- reg : the I2C slave address for the 88pm800 chip
+- interrupts : IRQ line for the 88pm800 chip
+- interrupt-controller: describes the 88pm800 as an interrupt controller
+- #interrupt-cells : should be 1.
+ - The cell is the 88pm800 local IRQ number
+
+Optional parent device properties:
+- marvell,88pm800-irq-write-clr: indicates whether interrupt status is cleared
by write
+
+88pm800 consists of a large and varied group of sub-devices:
+
+Device Supply NamesDescription
+-- ---
+88pm80x-onkey : : On key
+88pm80x-rtc: : RTC
+88pm80x: : Regulators
+
+Note: More device list will follow
+
+Example:
+
+ pmic: 88pm800@30 {
+ compatible = marvell,88pm800;
+ reg = 0x30;
+ interrupts = 0 77 0x4;
+ interrupt-parent = gic;
+ interrupt-controller;
+ #interrupt-cells = 1;
+
+ marvell,88pm800-irq-write-clr;
+
+ regulators {
+ compatible = marvell,88pm80x-regulator;
+
+ buck1a: BUCK1A {
+ regulator-compatible = 88PM800-BUCK1A;
+ regulator-min-microvolt = 60;
+ regulator-max-microvolt = 180;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ ldo1: LDO1 {
+ regulator-compatible = 88PM800-LDO1;
+ regulator-min-microvolt = 170;
+ regulator-max-microvolt = 330;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ rtc {
+ compatible = marvell,88pm80x-rtc;
+ };
+ };
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index 841717a..06ee058 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -27,6 +27,7 @@
#include linux/mfd/core.h
#include linux/mfd/88pm80x.h
#include linux/slab.h
+#include linux/of_device.h
/* Interrupt Registers */
#define PM800_INT_STATUS1 (0x05)
@@ -121,6 +122,11 @@ static const struct i2c_device_id pm80x_id_table[] = {
};
MODULE_DEVICE_TABLE(i2c, pm80x_id_table);
+static const struct of_device_id pm80x_of_match_table[] = {
+ { .compatible = marvell,88pm800, },
+ {},
+};
+
static struct resource rtc_resources[] = {
{
.name = 88pm80x-rtc,
@@ -133,6 +139,7 @@ static struct resource rtc_resources[] = {
static struct mfd_cell rtc_devs[] = {
{
.name = 88pm80x-rtc,
+.of_compatible = marvell,88pm80x-rtc,
.num_resources = ARRAY_SIZE(rtc_resources),
.resources = rtc_resources[0],
.id = -1,
@@ -151,6 +158,7 @@ static struct resource onkey_resources[] = {
static const struct mfd_cell onkey_devs[] = {
{
.name = 88pm80x-onkey,
+.of_compatible = marvell,88pm80x-onkey,
.num_resources = 1,
.resources = onkey_resources[0],
.id = -1,
@@ -160,6 +168,7 @@ static const struct mfd_cell onkey_devs[] = {
static const struct mfd_cell regulator_devs[] = {
{
.name = 88pm80x-regulator,
+.of_compatible = marvell,88pm80x-regulator,
.id = -1,
},
};
@@ -538,14 +547,43 @@ out:
return ret;
}
+static int pm800_probe_dt(struct device_node *np,
+struct device *dev,
+struct pm80x_platform_data *pdata)
+{
+ pdata-irq_mode =
+ of_property_read_bool(np, marvell,88pm800-irq-write-clear);
+
+ return 0;
+}
+
+
static int pm800_probe(struct i2c_client *client,
const
