On Tue, Nov 17, 2015 at 05:00:26PM -0800, Stephen Boyd wrote:
> The drivers don't really need to know which PMIC they're for, so
> make a generic binding for them. This alleviates us from updating
> the drivers every time a new PMIC comes out. It's still
> recommended that we update the binding with new PMIC models and
> always specify the specific model for the MPPs and gpios before
> the generic compatible string in devicetree, but this at least
> cuts down on adding more and more compatible strings to the
> drivers until we actually need them.
>
> Cc: <devicetree@xxxxxxxxxxxxxxx>
> Cc: "Ivan T. Ivanov" <iivanov@xxxxxxxxxx>
> Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
Seems okay to me. I assume you are going to update all the dts files?
Rob
>
> We can also figure out the number of the pins from the number
> of interrupts, so we really don't need to even look at the size of the
> reg property or model number for the spmi and ssbi modules. I'll propose
> that change as well tomorrow.
>
> Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt | 5 ++++-
> Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt | 5 ++++-
> drivers/pinctrl/qcom/pinctrl-spmi-gpio.c | 1 +
> drivers/pinctrl/qcom/pinctrl-spmi-mpp.c | 1 +
> 4 files changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt
> index a90c812ad642..f1e4643f4132 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt
> @@ -17,6 +17,9 @@ PMIC's from Qualcomm.
> "qcom,pm8994-gpio"
> "qcom,pma8084-gpio"
>
> + And must contain either "qcom,spmi-gpio" or "qcom,ssbi-gpio"
> + if the device is on an spmi bus or an ssbi bus respectively
> +
> - reg:
> Usage: required
> Value type: <prop-encoded-array>
> @@ -183,7 +186,7 @@ to specify in a pin configuration subnode:
> Example:
>
> pm8921_gpio: gpio@150 {
> - compatible = "qcom,pm8921-gpio";
> + compatible = "qcom,pm8921-gpio", "qcom,ssbi-gpio";
> reg = <0x150 0x160>;
> interrupts = <192 1>, <193 1>, <194 1>,
> <195 1>, <196 1>, <197 1>,
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt
> index d74e631e10da..e28320b18ecb 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt
> @@ -18,6 +18,9 @@ of PMIC's from Qualcomm.
> "qcom,pm8994-mpp",
> "qcom,pma8084-mpp",
>
> + And must contain either "qcom,spmi-mpp" or "qcom,ssbi-mpp"
> + if the device is on an spmi bus or an ssbi bus respectively.
> +
> - reg:
> Usage: required
> Value type: <prop-encoded-array>
> @@ -157,7 +160,7 @@ to specify in a pin configuration subnode:
> Example:
>
> mpps@a000 {
> - compatible = "qcom,pm8841-mpp";
> + compatible = "qcom,pm8841-mpp", "qcom,spmi-mpp";
> reg = <0xa000>;
> gpio-controller;
> #gpio-cells = <2>;
> diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
> index df4413023e21..9f9979903fcb 100644
> --- a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
> +++ b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
> @@ -806,6 +806,7 @@ static const struct of_device_id pmic_gpio_of_match[] = {
> { .compatible = "qcom,pm8941-gpio" }, /* 36 GPIO's */
> { .compatible = "qcom,pm8994-gpio" }, /* 22 GPIO's */
> { .compatible = "qcom,pma8084-gpio" }, /* 22 GPIO's */
> + { .compatible = "qcom,spmi-gpio" }, /* Generic */
> { },
> };
>
> diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c b/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
> index 7b4136a22c5b..5a4373dd9c61 100644
> --- a/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
> +++ b/drivers/pinctrl/qcom/pinctrl-spmi-mpp.c
> @@ -909,6 +909,7 @@ static const struct of_device_id pmic_mpp_of_match[] = {
> { .compatible = "qcom,pm8941-mpp" }, /* 8 MPP's */
> { .compatible = "qcom,pm8994-mpp" }, /* 8 MPP's */
> { .compatible = "qcom,pma8084-mpp" }, /* 8 MPP's */
> + { .compatible = "qcom,spmi-mpp" }, /* Generic */
> { },
> };
>
> --
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