[PATCH 0/3] Add MMCIF0 support for r8a7743/iwg20m

[PATCH 0/3] Add MMCIF0 support for r8a7743/iwg20m

[Chris Paterson]

This series adds MMCIF0 support for the r8a7743 SoC and the iWave-RZG1M-20M
Qseven SOM.

This series is based on renesas-devel-20170711-v4.12.

Chris Paterson (3):
  dt-bindings: mmc: sh_mmcif: Document r8a7743 DT bindings
  ARM: dts: r8a7743: Add MMCIF0 support
  ARM: dts: iwg20m: Add MMCIF0 support

 .../devicetree/bindings/mmc/renesas,mmcif.txt      |  3 ++-
 arch/arm/boot/dts/r8a7743-iwg20m.dtsi              | 26 ++++++++++++++++++++++
 arch/arm/boot/dts/r8a7743.dtsi                     | 16 +++++++++++++
 3 files changed, 44 insertions(+), 1 deletion(-)

-- 
1.9.1

[PATCH 1/3] dt-bindings: mmc: sh_mmcif: Document r8a7743 DT bindings

[Chris Paterson]

Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>

diff --git a/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt
index c32dc5a..703e18c 100644
--- a/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt
+++ b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt
@@ -11,6 +11,7 @@ Required properties:
 	- "renesas,mmcif-r7s72100" for the MMCIF found in r7s72100 SoCs
 	- "renesas,mmcif-r8a73a4" for the MMCIF found in r8a73a4 SoCs
 	- "renesas,mmcif-r8a7740" for the MMCIF found in r8a7740 SoCs
+	- "renesas,mmcif-r8a7743" for the MMCIF found in r8a7743 SoCs
 	- "renesas,mmcif-r8a7778" for the MMCIF found in r8a7778 SoCs
 	- "renesas,mmcif-r8a7790" for the MMCIF found in r8a7790 SoCs
 	- "renesas,mmcif-r8a7791" for the MMCIF found in r8a7791 SoCs
@@ -21,7 +22,7 @@ Required properties:
 - interrupts: Some SoCs have only 1 shared interrupt, while others have either
   2 or 3 individual interrupts (error, int, card detect). Below is the number
   of interrupts for each SoC:
-    1: r8a73a4, r8a7778, r8a7790, r8a7791, r8a7793, r8a7794
+    1: r8a73a4, r8a7743, r8a7778, r8a7790, r8a7791, r8a7793, r8a7794
     2: r8a7740, sh73a0
     3: r7s72100
 
-- 
1.9.1

[PATCH 2/3] ARM: dts: r8a7743: Add MMCIF0 support

[Chris Paterson]

Add the MMCIF0 device to the r8a7743 device tree.

Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>

diff --git a/arch/arm/boot/dts/r8a7743.dtsi b/arch/arm/boot/dts/r8a7743.dtsi
index 0d02191..f62e858 100644
--- a/arch/arm/boot/dts/r8a7743.dtsi
+++ b/arch/arm/boot/dts/r8a7743.dtsi
@@ -641,6 +641,22 @@
 			#size-cells = <0>;
 			status = "disabled";
 		};
+
+		mmcif0: mmc@ee200000 {
+			compatible = "renesas,mmcif-r8a7743",
+				     "renesas,sh-mmcif";
+			reg = <0 0xee200000 0 0x80>;
+			interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 315>;
+			dmas = <&dmac0 0xd1>, <&dmac0 0xd2>,
+			       <&dmac1 0xd1>, <&dmac1 0xd2>;
+			dma-names = "tx", "rx", "tx", "rx";
+			power-domains = <&sysc R8A7743_PD_ALWAYS_ON>;
+			resets = <&cpg 315>;
+			reg-io-width = <4>;
+			max-frequency = <97500000>;
+			status = "disabled";
+		};
 	};
 
 	/* External root clock */
-- 
1.9.1

[PATCH 3/3] ARM: dts: iwg20m: Add MMCIF0 support

[Chris Paterson]

Define the iwg20m board dependent part of the MMCIF0 device node.

Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>

diff --git a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
index 001ca91..ffce1b6 100644
--- a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
+++ b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
@@ -22,8 +22,34 @@
 		device_type = "memory";
 		reg = <2 0x00000000 0 0x20000000>;
 	};
+
+	reg_3p3v: 3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "3P3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
 };
 
 &extal_clk {
 	clock-frequency = <20000000>;
 };
+
+&pfc {
+	mmcif0_pins: mmc {
+		groups = "mmc_data8", "mmc_ctrl";
+		function = "mmc";
+	};
+};
+
+&mmcif0 {
+		pinctrl-0 = <&mmcif0_pins>;
+		pinctrl-names = "default";
+
+		vmmc-supply = <&reg_3p3v>;
+		bus-width = <8>;
+		non-removable;
+		status = "okay";
+};
-- 
1.9.1

Re: [PATCH 1/3] dt-bindings: mmc: sh_mmcif: Document r8a7743 DT bindings

[Geert Uytterhoeven]

On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
<chris.paterson2@renesas.com> wrote:
> Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 2/3] ARM: dts: r8a7743: Add MMCIF0 support

[Geert Uytterhoeven]

On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
<chris.paterson2@renesas.com> wrote:
> Add the MMCIF0 device to the r8a7743 device tree.
>
> Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 3/3] ARM: dts: iwg20m: Add MMCIF0 support

[Geert Uytterhoeven]

Hi Chris,

On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
<chris.paterson2-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org> wrote:
> Define the iwg20m board dependent part of the MMCIF0 device node.
>
> Signed-off-by: Chris Paterson <chris.paterson2-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
>
> diff --git a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> index 001ca91..ffce1b6 100644
> --- a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> +++ b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi

> +&pfc {
> +       mmcif0_pins: mmc {
> +               groups = "mmc_data8", "mmc_ctrl";

"mmc_data8" is not correct, as D6/D7 of the eMMC are not connected to GP6_28
resp. GP6_29, but to GP6_6 resp. GP6_7.
So it should be "mmc_data8_b".

Unfortunately the latter pin group isn't supported by the PFC driver yet.
Cooking a patch...

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 3/3] ARM: dts: iwg20m: Add MMCIF0 support

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 1097 bytes --]

Hi Chris,

[auto build test ERROR on renesas/next]
[also build test ERROR on next-20170712]
[cannot apply to v4.12]
[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/Chris-Paterson/Add-MMCIF0-support-for-r8a7743-iwg20m/20170713-042814
base:   https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
config: arm-at91_dt_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All errors (new ones prefixed by >>):

>> Error: arch/arm/boot/dts/r8a7743-iwg20m.dtsi:40.1-5 Label or path pfc not found
   FATAL ERROR: Syntax error parsing input tree

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 22761 bytes --]

Re: [PATCH 3/3] ARM: dts: iwg20m: Add MMCIF0 support

[Simon Horman]

On Thu, Jul 13, 2017 at 08:25:56AM +0800, kbuild test robot wrote:
> Hi Chris,
> 
> [auto build test ERROR on renesas/next]
> [also build test ERROR on next-20170712]
> [cannot apply to v4.12]
> [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/Chris-Paterson/Add-MMCIF0-support-for-r8a7743-iwg20m/20170713-042814
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
> config: arm-at91_dt_defconfig (attached as .config)
> compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
> reproduce:
>         wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm 
> 
> All errors (new ones prefixed by >>):
> 
> >> Error: arch/arm/boot/dts/r8a7743-iwg20m.dtsi:40.1-5 Label or path pfc not found
>    FATAL ERROR: Syntax error parsing input tree

This seems to be a false positive. The node in question is present in
the devel branch which is the base of these changes.


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Re: [PATCH 1/3] dt-bindings: mmc: sh_mmcif: Document r8a7743 DT bindings

[Simon Horman]

On Wed, Jul 12, 2017 at 01:20:07PM +0200, Geert Uytterhoeven wrote:
> On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
> <chris.paterson2@renesas.com> wrote:
> > Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Thanks, applied for v4.14.

Re: [PATCH 2/3] ARM: dts: r8a7743: Add MMCIF0 support

[Simon Horman]

On Wed, Jul 12, 2017 at 01:21:20PM +0200, Geert Uytterhoeven wrote:
> On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
> <chris.paterson2@renesas.com> wrote:
> > Add the MMCIF0 device to the r8a7743 device tree.
> >
> > Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Thanks, applied for v4.14.

Re: [PATCH 1/3] dt-bindings: mmc: sh_mmcif: Document r8a7743 DT bindings

[Geert Uytterhoeven]

Hi Simon,

On Thu, Jul 13, 2017 at 9:54 AM, Simon Horman <horms@verge.net.au> wrote:
> On Wed, Jul 12, 2017 at 01:20:07PM +0200, Geert Uytterhoeven wrote:
>> On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
>> <chris.paterson2@renesas.com> wrote:
>> > Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
>>
>> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>
> Thanks, applied for v4.14.

Shouldn't this be applied by Ulf to the MMC tree?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 3/3] ARM: dts: iwg20m: Add MMCIF0 support

[Simon Horman]

On Wed, Jul 12, 2017 at 01:52:49PM +0200, Geert Uytterhoeven wrote:
> Hi Chris,
> 
> On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
> <chris.paterson2@renesas.com> wrote:
> > Define the iwg20m board dependent part of the MMCIF0 device node.
> >
> > Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
> >
> > diff --git a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> > index 001ca91..ffce1b6 100644
> > --- a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> > +++ b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> 
> > +&pfc {
> > +       mmcif0_pins: mmc {
> > +               groups = "mmc_data8", "mmc_ctrl";
> 
> "mmc_data8" is not correct, as D6/D7 of the eMMC are not connected to GP6_28
> resp. GP6_29, but to GP6_6 resp. GP6_7.
> So it should be "mmc_data8_b".
> 
> Unfortunately the latter pin group isn't supported by the PFC driver yet.
> Cooking a patch...

The above notwithstanding I have applied this patch for v4.14.

This is under the assumption that:
a) the relevant (pfc) driver changes will appear in v4.14 and;
b) there is no regression introduced in having this change present
   without the driver changes

An implication of the above is that the new feature will not work
until both the driver and DTS changes are in the same tree. But that the
trees with each of those changes continue to work at least as well as they
did before.

Please test the devel branch that I push later today to make sure there
are no regressions.

Re: [PATCH 1/3] dt-bindings: mmc: sh_mmcif: Document r8a7743 DT bindings

[Simon Horman]

On Thu, Jul 13, 2017 at 10:00:11AM +0200, Geert Uytterhoeven wrote:
> Hi Simon,
> 
> On Thu, Jul 13, 2017 at 9:54 AM, Simon Horman <horms@verge.net.au> wrote:
> > On Wed, Jul 12, 2017 at 01:20:07PM +0200, Geert Uytterhoeven wrote:
> >> On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
> >> <chris.paterson2@renesas.com> wrote:
> >> > Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
> >>
> >> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> >
> > Thanks, applied for v4.14.
> 
> Shouldn't this be applied by Ulf to the MMC tree?

Sorry, my bad. I have dropped this from the renesas tree.

Ulf, please consider this patch for the mmc tree.

Re: [PATCH 3/3] ARM: dts: iwg20m: Add MMCIF0 support

[Simon Horman]

On Thu, Jul 13, 2017 at 10:02:29AM +0200, Simon Horman wrote:
> On Wed, Jul 12, 2017 at 01:52:49PM +0200, Geert Uytterhoeven wrote:
> > Hi Chris,
> > 
> > On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
> > <chris.paterson2-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org> wrote:
> > > Define the iwg20m board dependent part of the MMCIF0 device node.
> > >
> > > Signed-off-by: Chris Paterson <chris.paterson2-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
> > >
> > > diff --git a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> > > index 001ca91..ffce1b6 100644
> > > --- a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> > > +++ b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> > 
> > > +&pfc {
> > > +       mmcif0_pins: mmc {
> > > +               groups = "mmc_data8", "mmc_ctrl";
> > 
> > "mmc_data8" is not correct, as D6/D7 of the eMMC are not connected to GP6_28
> > resp. GP6_29, but to GP6_6 resp. GP6_7.
> > So it should be "mmc_data8_b".
> > 
> > Unfortunately the latter pin group isn't supported by the PFC driver yet.
> > Cooking a patch...
> 
> The above notwithstanding I have applied this patch for v4.14.

...

Sorry, I think I need more coffee.

I misread Geert's comment above. I have dropped this patch.
Please post a corrected v2 of this patch.
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Re: [kbuild-all] [PATCH 3/3] ARM: dts: iwg20m: Add MMCIF0 support

[Ye Xiaolong]

On 07/13, Simon Horman wrote:
>On Thu, Jul 13, 2017 at 08:25:56AM +0800, kbuild test robot wrote:
>> Hi Chris,
>> 
>> [auto build test ERROR on renesas/next]
>> [also build test ERROR on next-20170712]
>> [cannot apply to v4.12]
>> [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/Chris-Paterson/Add-MMCIF0-support-for-r8a7743-iwg20m/20170713-042814
>> base:   https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
>> config: arm-at91_dt_defconfig (attached as .config)
>> compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
>> reproduce:
>>         wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>>         chmod +x ~/bin/make.cross
>>         # save the attached .config to linux build tree
>>         make.cross ARCH=arm 
>> 
>> All errors (new ones prefixed by >>):
>> 
>> >> Error: arch/arm/boot/dts/r8a7743-iwg20m.dtsi:40.1-5 Label or path pfc not found
>>    FATAL ERROR: Syntax error parsing input tree
>
>This seems to be a false positive. The node in question is present in
>the devel branch which is the base of these changes.

Thanks for the feedback, we'll update 0day's configuration accordingly.

Thanks,
Xiaolong
>
>
>_______________________________________________
>kbuild-all mailing list
>kbuild-all-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org
>https://lists.01.org/mailman/listinfo/kbuild-all
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RE: [PATCH 3/3] ARM: dts: iwg20m: Add MMCIF0 support

[Chris Paterson]

> From: Simon Horman [mailto:horms@verge.net.au]
> Sent: 13 July 2017 09:12
> 
> On Thu, Jul 13, 2017 at 10:02:29AM +0200, Simon Horman wrote:
> > On Wed, Jul 12, 2017 at 01:52:49PM +0200, Geert Uytterhoeven wrote:
> > > Hi Chris,
> > >
> > > On Wed, Jul 12, 2017 at 12:03 PM, Chris Paterson
> > > <chris.paterson2@renesas.com> wrote:
> > > > Define the iwg20m board dependent part of the MMCIF0 device node.
> > > >
> > > > Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
> > > >
> > > > diff --git a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> > > > b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> > > > index 001ca91..ffce1b6 100644
> > > > --- a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> > > > +++ b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
> > >
> > > > +&pfc {
> > > > +       mmcif0_pins: mmc {
> > > > +               groups = "mmc_data8", "mmc_ctrl";
> > >
> > > "mmc_data8" is not correct, as D6/D7 of the eMMC are not connected
> > > to GP6_28 resp. GP6_29, but to GP6_6 resp. GP6_7.
> > > So it should be "mmc_data8_b".
> > >
> > > Unfortunately the latter pin group isn't supported by the PFC driver yet.
> > > Cooking a patch...

Thanks for your review Geert. Sorry I missed this.

> >
> > The above notwithstanding I have applied this patch for v4.14.
> 
> ...
> 
> Sorry, I think I need more coffee.

No worries!

> 
> I misread Geert's comment above. I have dropped this patch.
> Please post a corrected v2 of this patch.

Will do.

Re: [PATCH 1/3] dt-bindings: mmc: sh_mmcif: Document r8a7743 DT bindings

[Ulf Hansson]

On 12 July 2017 at 12:03, Chris Paterson <chris.paterson2@renesas.com> wrote:
> Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
>
> diff --git a/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt
> index c32dc5a..703e18c 100644
> --- a/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt
> +++ b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt
> @@ -11,6 +11,7 @@ Required properties:
>         - "renesas,mmcif-r7s72100" for the MMCIF found in r7s72100 SoCs
>         - "renesas,mmcif-r8a73a4" for the MMCIF found in r8a73a4 SoCs
>         - "renesas,mmcif-r8a7740" for the MMCIF found in r8a7740 SoCs
> +       - "renesas,mmcif-r8a7743" for the MMCIF found in r8a7743 SoCs
>         - "renesas,mmcif-r8a7778" for the MMCIF found in r8a7778 SoCs
>         - "renesas,mmcif-r8a7790" for the MMCIF found in r8a7790 SoCs
>         - "renesas,mmcif-r8a7791" for the MMCIF found in r8a7791 SoCs
> @@ -21,7 +22,7 @@ Required properties:
>  - interrupts: Some SoCs have only 1 shared interrupt, while others have either
>    2 or 3 individual interrupts (error, int, card detect). Below is the number
>    of interrupts for each SoC:
> -    1: r8a73a4, r8a7778, r8a7790, r8a7791, r8a7793, r8a7794
> +    1: r8a73a4, r8a7743, r8a7778, r8a7790, r8a7791, r8a7793, r8a7794
>      2: r8a7740, sh73a0
>      3: r7s72100
>
> --
> 1.9.1
>

Thanks, applied for next!

Kind regards
Uffe

[PATCH v2] ARM: dts: iwg20m: Add MMCIF0 support

[Chris Paterson]

Define the iwg20m board dependent part of the MMCIF0 device node.

Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
---
This patch is based on:
   renesas-devel-20170713-v4.12
 + pinctrl: sh-pfc: r8a7791: Add R8A7743 support
 + pinctrl: sh-pfc: r8a7791: Add missing mmc_data8_b pin group

v1->v2:
 - Corrected data pin group to mmc_data8_b - Thanks Geert.


 arch/arm/boot/dts/r8a7743-iwg20m.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
index 001ca91..f78dbc5 100644
--- a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
+++ b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
@@ -22,8 +22,34 @@
 		device_type = "memory";
 		reg = <2 0x00000000 0 0x20000000>;
 	};
+
+	reg_3p3v: 3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "3P3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
 };
 
 &extal_clk {
 	clock-frequency = <20000000>;
 };
+
+&pfc {
+	mmcif0_pins: mmc {
+		groups = "mmc_data8_b", "mmc_ctrl";
+		function = "mmc";
+	};
+};
+
+&mmcif0 {
+		pinctrl-0 = <&mmcif0_pins>;
+		pinctrl-names = "default";
+
+		vmmc-supply = <&reg_3p3v>;
+		bus-width = <8>;
+		non-removable;
+		status = "okay";
+};
-- 
1.9.1

Re: [PATCH v2] ARM: dts: iwg20m: Add MMCIF0 support

[Geert Uytterhoeven]

On Thu, Jul 13, 2017 at 5:39 PM, Chris Paterson
<chris.paterson2@renesas.com> wrote:
> Define the iwg20m board dependent part of the MMCIF0 device node.
>
> Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

> v1->v2:
>  - Corrected data pin group to mmc_data8_b - Thanks Geert.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH v2] ARM: dts: iwg20m: Add MMCIF0 support

[Simon Horman]

On Thu, Jul 13, 2017 at 06:31:33PM +0200, Geert Uytterhoeven wrote:
> On Thu, Jul 13, 2017 at 5:39 PM, Chris Paterson
> <chris.paterson2-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org> wrote:
> > Define the iwg20m board dependent part of the MMCIF0 device node.
> >
> > Signed-off-by: Chris Paterson <chris.paterson2-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

Thanks, applied for v4.14.
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