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[PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc

Started byLiguo Zhang <liguo.zhang@mediatek.com>
First post2016-01-04 07:20 +0100
Last post2016-01-08 08:50 +0100
Articles 5 — 3 participants

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  [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc Liguo Zhang <liguo.zhang@mediatek.com> - 2016-01-04 07:20 +0100
    [PATCH 2/2] dts: MT2701: add i2c dts info for MT2701 Liguo Zhang <liguo.zhang@mediatek.com> - 2016-01-04 07:20 +0100
    Re: [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701  soc Wolfram Sang <wsa@the-dreams.de> - 2016-01-04 11:00 +0100
      Re: [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701  soc liguo zhang <liguo.zhang@mediatek.com> - 2016-01-08 02:20 +0100
        Re: [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701  soc Wolfram Sang <wsa@the-dreams.de> - 2016-01-08 08:50 +0100

#1300511 — [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc

FromLiguo Zhang <liguo.zhang@mediatek.com>
Date2016-01-04 07:20 +0100
Subject[PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc
Message-ID<qN6EO-7Qg-1@gated-at.bofh.it>
Add a dt binding for the MT2701 soc.

Signed-off-by: Liguo Zhang <liguo.zhang@mediatek.com>
---
 Documentation/devicetree/bindings/i2c/i2c-mt6577.txt | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt6577.txt b/Documentation/devicetree/bindings/i2c/i2c-mt6577.txt
index 0ce6fa3..ef22ecf 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mt6577.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mt6577.txt
@@ -4,11 +4,12 @@ The Mediatek's I2C controller is used to interface with I2C devices.
 
 Required properties:
   - compatible: value should be either of the following.
-      (a) "mediatek,mt6577-i2c", for i2c compatible with mt6577 i2c.
-      (b) "mediatek,mt6589-i2c", for i2c compatible with mt6589 i2c.
-      (c) "mediatek,mt8127-i2c", for i2c compatible with mt8127 i2c.
-      (d) "mediatek,mt8135-i2c", for i2c compatible with mt8135 i2c.
-      (e) "mediatek,mt8173-i2c", for i2c compatible with mt8173 i2c.
+	"mediatek,mt2701-i2c", for i2c compatible with mt2701 i2c.
+	"mediatek,mt6577-i2c", for i2c compatible with mt6577 i2c.
+	"mediatek,mt6589-i2c", for i2c compatible with mt6589 i2c.
+	"mediatek,mt8127-i2c", for i2c compatible with mt8127 i2c.
+	"mediatek,mt8135-i2c", for i2c compatible with mt8135 i2c.
+	"mediatek,mt8173-i2c", for i2c compatible with mt8173 i2c.
   - reg: physical base address of the controller and dma base, length of memory
     mapped region.
   - interrupts: interrupt number to the cpu.
-- 
1.8.1.1.dirty

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#1300512 — [PATCH 2/2] dts: MT2701: add i2c dts info for MT2701

FromLiguo Zhang <liguo.zhang@mediatek.com>
Date2016-01-04 07:20 +0100
Subject[PATCH 2/2] dts: MT2701: add i2c dts info for MT2701
Message-ID<qN6EO-7Qg-9@gated-at.bofh.it>
In reply to#1300511
Add i2c dtsi node for MT2701.

Signed-off-by: Liguo Zhang <liguo.zhang@mediatek.com>
---
 arch/arm/boot/dts/mt2701.dtsi | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi
index bd88ae9..bb34770 100644
--- a/arch/arm/boot/dts/mt2701.dtsi
+++ b/arch/arm/boot/dts/mt2701.dtsi
@@ -159,6 +159,48 @@
 		      <0 0x10216000 0 0x2000>;
 	};
 
+	i2c0: i2c@11007000 {
+		compatible = "mediatek,mt2701-i2c",
+			     "mediatek,mt6577-i2c";
+		reg = <0 0x11007000 0 0x70>,
+		      <0 0x11000200 0 0x80>;
+		interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>;
+		clock-div = <16>;
+		clocks = <&pericfg CLK_PERI_I2C0>, <&pericfg CLK_PERI_AP_DMA>;
+		clock-names = "main", "dma";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+	};
+
+	i2c1: i2c@11008000 {
+		compatible = "mediatek,mt2701-i2c",
+			     "mediatek,mt6577-i2c";
+		reg = <0 0x11008000 0 0x70>,
+		      <0 0x11000280 0 0x80>;
+		interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_LOW>;
+		clock-div = <16>;
+		clocks = <&pericfg CLK_PERI_I2C1>, <&pericfg CLK_PERI_AP_DMA>;
+		clock-names = "main", "dma";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+	};
+
+	i2c2: i2c@11009000 {
+		compatible = "mediatek,mt2701-i2c",
+			     "mediatek,mt6577-i2c";
+		reg = <0 0x11009000 0 0x70>,
+		      <0 0x11000300 0 0x80>;
+		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_LOW>;
+		clock-div = <16>;
+		clocks = <&pericfg CLK_PERI_I2C2>, <&pericfg CLK_PERI_AP_DMA>;
+		clock-names = "main", "dma";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+	};
+
 	uart0: serial@11002000 {
 		compatible = "mediatek,mt2701-uart",
 			     "mediatek,mt6577-uart";
-- 
1.8.1.1.dirty

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#1300591 — Re: [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc

FromWolfram Sang <wsa@the-dreams.de>
Date2016-01-04 11:00 +0100
SubjectRe: [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc
Message-ID<qNa5I-1L4-23@gated-at.bofh.it>
In reply to#1300511

[Multipart message — attachments visible in raw view] — view raw

On Mon, Jan 04, 2016 at 02:15:37PM +0800, Liguo Zhang wrote:
> Add a dt binding for the MT2701 soc.
> 
> Signed-off-by: Liguo Zhang <liguo.zhang@mediatek.com>

This should probably go with the other patch via arm-soc, or?

In that case:

Acked-by: Wolfram Sang <wsa@the-dreams.de>

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#1304090 — Re: [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc

Fromliguo zhang <liguo.zhang@mediatek.com>
Date2016-01-08 02:20 +0100
SubjectRe: [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc
Message-ID<qOtSG-7Ne-3@gated-at.bofh.it>
In reply to#1300591
On Mon, 2016-01-04 at 10:55 +0100, Wolfram Sang wrote:
> On Mon, Jan 04, 2016 at 02:15:37PM +0800, Liguo Zhang wrote:
> > Add a dt binding for the MT2701 soc.
> > 
> > Signed-off-by: Liguo Zhang <liguo.zhang@mediatek.com>
> 
> This should probably go with the other patch via arm-soc, or?

The patch about i2c dts info for MT2701 depends on the MT2701 clock
patch. After the MT2701 clock patch is accepted, the i2c patch for
MT2701 may be accepted.

The MT2701 clock patch:
http://lists.infradead.org/pipermail/linux-mediatek/2016-January/003489.html

> 
> In that case:
> 
> Acked-by: Wolfram Sang <wsa@the-dreams.de>
>

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#1304238 — Re: [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc

FromWolfram Sang <wsa@the-dreams.de>
Date2016-01-08 08:50 +0100
SubjectRe: [PATCH 1/2] Document: i2c: Add a dt binding for mediatek MT2701 soc
Message-ID<qOzY5-3y4-1@gated-at.bofh.it>
In reply to#1304090

[Multipart message — attachments visible in raw view] — view raw

On Fri, Jan 08, 2016 at 09:12:53AM +0800, liguo zhang wrote:
> On Mon, 2016-01-04 at 10:55 +0100, Wolfram Sang wrote:
> > On Mon, Jan 04, 2016 at 02:15:37PM +0800, Liguo Zhang wrote:
> > > Add a dt binding for the MT2701 soc.
> > > 
> > > Signed-off-by: Liguo Zhang <liguo.zhang@mediatek.com>
> > 
> > This should probably go with the other patch via arm-soc, or?
> 
> The patch about i2c dts info for MT2701 depends on the MT2701 clock
> patch. After the MT2701 clock patch is accepted, the i2c patch for
> MT2701 may be accepted.

OK. Still, dts changes go via arm-soc 99% of the cases if there is no
specific need to go via i2c.

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