[PATCH v2 0/2] mmc: pwrseq: add support for Marvell SD8787 chip

[PATCH v2 0/2] mmc: pwrseq: add support for Marvell SD8787 chip

[Matt Ranostay]

Changes from v1:
* split devictree docs from pwrseq changes
* rebase devicetree documents due to filename change
* rebase pwrseq patchset

Matt Ranostay (2):
  devicetree: document vmmc-supply and mmc-pwrseq options
  mmc: pwrseq: add support for Marvell SD8787 chip

 .../devicetree/bindings/net/wireless/marvell-8xxx.txt          |  7 ++++++-
 drivers/mmc/core/Kconfig                                       | 10 ++++++++++
 drivers/mmc/core/Makefile                                      |  1 +
 3 files changed, 17 insertions(+), 1 deletion(-)

-- 
2.10.2

[PATCH v2 1/2] devicetree: document vmmc-supply and mmc-pwrseq options

[Matt Ranostay]

Cc: devicetree@vger.kernel.org
Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
---
 Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt b/Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt
index 980b16df74c3..0854451ff91d 100644
--- a/Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt
+++ b/Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt
@@ -1,4 +1,4 @@
-Marvell 8897/8997 (sd8897/sd8997/pcie8997) SDIO/PCIE devices
+Marvell 8787/8897/8997 (sd8787/sd8897/sd8997/pcie8997) SDIO/PCIE devices
 ------
 
 This node provides properties for controlling the Marvell SDIO/PCIE wireless device.
@@ -8,6 +8,7 @@ connects the device to the system.
 Required properties:
 
   - compatible : should be one of the following:
+	* "marvell,sd8787"
 	* "marvell,sd8897"
 	* "marvell,sd8997"
 	* "pci11ab,2b42"
@@ -34,6 +35,9 @@ Optional properties:
 		 so that the wifi chip can wakeup host platform under certain condition.
 		 during system resume, the irq will be disabled to make sure
 		 unnecessary interrupt is not received.
+  - vmmc-supply: a phandle of a regulator, supplying VCC to the card
+  - mmc-pwrseq:  phandle to the MMC power sequence node. See "mmc-pwrseq-*"
+		 for documentation of MMC power sequence bindings.
 
 Example:
 
@@ -46,6 +50,7 @@ so that firmware can wakeup host using this device side pin.
 &mmc3 {
 	status = "okay";
 	vmmc-supply = <&wlan_en_reg>;
+	mmc-pwrseq = <&wifi_pwrseq>;
 	bus-width = <4>;
 	cap-power-off-card;
 	keep-power-in-suspend;
-- 
2.10.2

[PATCH v2 2/2] mmc: pwrseq: add support for Marvell SD8787 chip

[Matt Ranostay]

Allow power sequencing for the Marvell SD8787 Wifi/BT chip.
This can be abstracted to other chipsets if needed in the future.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
---
 drivers/mmc/core/Kconfig  | 10 ++++++++++
 drivers/mmc/core/Makefile |  1 +
 2 files changed, 11 insertions(+)

diff --git a/drivers/mmc/core/Kconfig b/drivers/mmc/core/Kconfig
index cdfa8520a4b1..fc1ecdaaa9ca 100644
--- a/drivers/mmc/core/Kconfig
+++ b/drivers/mmc/core/Kconfig
@@ -12,6 +12,16 @@ config PWRSEQ_EMMC
 	  This driver can also be built as a module. If so, the module
 	  will be called pwrseq_emmc.
 
+config PWRSEQ_SD8787
+	tristate "HW reset support for SD8787 BT + Wifi module"
+	depends on OF && (MWIFIEX || BT_MRVL_SDIO)
+	help
+	  This selects hardware reset support for the SD8787 BT + Wifi
+	  module. By default this option is set to n.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called pwrseq_sd8787.
+
 config PWRSEQ_SIMPLE
 	tristate "Simple HW reset support for MMC"
 	default y
diff --git a/drivers/mmc/core/Makefile b/drivers/mmc/core/Makefile
index b2a257dc644f..0f81464fa824 100644
--- a/drivers/mmc/core/Makefile
+++ b/drivers/mmc/core/Makefile
@@ -10,6 +10,7 @@ mmc_core-y			:= core.o bus.o host.o \
 				   quirks.o slot-gpio.o
 mmc_core-$(CONFIG_OF)		+= pwrseq.o
 obj-$(CONFIG_PWRSEQ_SIMPLE)	+= pwrseq_simple.o
+obj-$(CONFIG_PWRSEQ_SD8787)	+= pwrseq_sd8787.o
 obj-$(CONFIG_PWRSEQ_EMMC)	+= pwrseq_emmc.o
 mmc_core-$(CONFIG_DEBUG_FS)	+= debugfs.o
 obj-$(CONFIG_MMC_BLOCK)		+= mmc_block.o
-- 
2.10.2

Re: [PATCH v2 2/2] mmc: pwrseq: add support for Marvell SD8787 chip

[Matt Ranostay]

On Thu, Jan 12, 2017 at 9:22 PM, Matt Ranostay <matt@ranostay.consulting> wrote:
> Allow power sequencing for the Marvell SD8787 Wifi/BT chip.
> This can be abstracted to other chipsets if needed in the future.


Er crap seems how the main patch file got dropped out. Resubmitting in
a minute... sorry!

>
> Cc: Tony Lindgren <tony@atomide.com>
> Cc: Ulf Hansson <ulf.hansson@linaro.org>
> Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
> ---
>  drivers/mmc/core/Kconfig  | 10 ++++++++++
>  drivers/mmc/core/Makefile |  1 +
>  2 files changed, 11 insertions(+)
>
> diff --git a/drivers/mmc/core/Kconfig b/drivers/mmc/core/Kconfig
> index cdfa8520a4b1..fc1ecdaaa9ca 100644
> --- a/drivers/mmc/core/Kconfig
> +++ b/drivers/mmc/core/Kconfig
> @@ -12,6 +12,16 @@ config PWRSEQ_EMMC
>           This driver can also be built as a module. If so, the module
>           will be called pwrseq_emmc.
>
> +config PWRSEQ_SD8787
> +       tristate "HW reset support for SD8787 BT + Wifi module"
> +       depends on OF && (MWIFIEX || BT_MRVL_SDIO)
> +       help
> +         This selects hardware reset support for the SD8787 BT + Wifi
> +         module. By default this option is set to n.
> +
> +         This driver can also be built as a module. If so, the module
> +         will be called pwrseq_sd8787.
> +
>  config PWRSEQ_SIMPLE
>         tristate "Simple HW reset support for MMC"
>         default y
> diff --git a/drivers/mmc/core/Makefile b/drivers/mmc/core/Makefile
> index b2a257dc644f..0f81464fa824 100644
> --- a/drivers/mmc/core/Makefile
> +++ b/drivers/mmc/core/Makefile
> @@ -10,6 +10,7 @@ mmc_core-y                    := core.o bus.o host.o \
>                                    quirks.o slot-gpio.o
>  mmc_core-$(CONFIG_OF)          += pwrseq.o
>  obj-$(CONFIG_PWRSEQ_SIMPLE)    += pwrseq_simple.o
> +obj-$(CONFIG_PWRSEQ_SD8787)    += pwrseq_sd8787.o
>  obj-$(CONFIG_PWRSEQ_EMMC)      += pwrseq_emmc.o
>  mmc_core-$(CONFIG_DEBUG_FS)    += debugfs.o
>  obj-$(CONFIG_MMC_BLOCK)                += mmc_block.o
> --
> 2.10.2
>

Re: [PATCH v2 2/2] mmc: pwrseq: add support for Marvell SD8787 chip

[kbuild test robot]

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Hi Matt,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.10-rc3 next-20170113]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Matt-Ranostay/mmc-pwrseq-add-support-for-Marvell-SD8787-chip/20170115-030459
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> make[4]: *** No rule to make target 'drivers/mmc/core/pwrseq_sd8787.c', needed by 'drivers/mmc/core/pwrseq_sd8787.o'.
   make[4]: Target '__build' not remade because of errors.

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
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Re: [PATCH v2 1/2] devicetree: document vmmc-supply and mmc-pwrseq options

[Rob Herring]

On Thu, Jan 12, 2017 at 09:22:17PM -0800, Matt Ranostay wrote:
> Cc: devicetree@vger.kernel.org
> Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
> ---
>  Documentation/devicetree/bindings/net/wireless/marvell-8xxx.txt | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)

Acked-by: Rob Herring <robh@kernel.org>