* [PATCH] ARM: shmobile: henninger: add I2C2 DT support
@ 2014-05-09 0:19 Sergei Shtylyov
2014-05-11 0:09 ` Simon Horman
0 siblings, 1 reply; 2+ messages in thread
From: Sergei Shtylyov @ 2014-05-09 0:19 UTC (permalink / raw)
To: horms, linux-sh, devicetree
Cc: robh+dt, pawel.moll, mark.rutland, ijc+devicetree, galak,
magnus.damm, linux, linux-arm-kernel
Define the Henninger board dependent part of the I2C2 device node.
Add device nodes for Analog Devices ADV7180 video decoder and Renesas EEPROM
connected to this I2C bus.
Based on the Koelsch I2C2 device tree patch by Wolfram Sang.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
---
This patch is against 'renesas-devel-v3.15-rc3-20140502' tag of Simon Horman's
'renesas.git' repo plus SDHI0/2, QSPI, and MSIOF0 DT support patches posted
recently.
arch/arm/boot/dts/r8a7791-henninger.dts | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
Index: renesas/arch/arm/boot/dts/r8a7791-henninger.dts
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7791-henninger.dts
+++ renesas/arch/arm/boot/dts/r8a7791-henninger.dts
@@ -110,6 +110,11 @@
renesas,function = "sdhi2";
};
+ i2c2_pins: i2c2 {
+ renesas,groups = "i2c2";
+ renesas,function = "i2c2";
+ };
+
qspi_pins: spi0 {
renesas,groups = "qspi_ctrl", "qspi_data4";
renesas,function = "qspi";
@@ -170,6 +175,25 @@
status = "okay";
};
+&i2c2 {
+ pinctrl-0 = <&i2c2_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ clock-frequency = <400000>;
+
+ video@20 {
+ compatible = "adi,adv7180";
+ reg = <0x20>;
+ };
+
+ eeprom@50 {
+ compatible = "24c02";
+ reg = <0x50>;
+ pagesize = <16>;
+ };
+};
+
&qspi {
pinctrl-0 = <&qspi_pins>;
pinctrl-names = "default";
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] ARM: shmobile: henninger: add I2C2 DT support
2014-05-09 0:19 [PATCH] ARM: shmobile: henninger: add I2C2 DT support Sergei Shtylyov
@ 2014-05-11 0:09 ` Simon Horman
0 siblings, 0 replies; 2+ messages in thread
From: Simon Horman @ 2014-05-11 0:09 UTC (permalink / raw)
To: Sergei Shtylyov
Cc: linux-sh, devicetree, robh+dt, pawel.moll, mark.rutland,
ijc+devicetree, galak, magnus.damm, linux, linux-arm-kernel
On Fri, May 09, 2014 at 04:19:41AM +0400, Sergei Shtylyov wrote:
> Define the Henninger board dependent part of the I2C2 device node.
> Add device nodes for Analog Devices ADV7180 video decoder and Renesas EEPROM
> connected to this I2C bus.
>
> Based on the Koelsch I2C2 device tree patch by Wolfram Sang.
>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
>
> ---
> This patch is against 'renesas-devel-v3.15-rc3-20140502' tag of Simon Horman's
> 'renesas.git' repo plus SDHI0/2, QSPI, and MSIOF0 DT support patches posted
> recently.
>
> arch/arm/boot/dts/r8a7791-henninger.dts | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> Index: renesas/arch/arm/boot/dts/r8a7791-henninger.dts
> ===================================================================
> --- renesas.orig/arch/arm/boot/dts/r8a7791-henninger.dts
> +++ renesas/arch/arm/boot/dts/r8a7791-henninger.dts
> @@ -110,6 +110,11 @@
> renesas,function = "sdhi2";
> };
>
> + i2c2_pins: i2c2 {
> + renesas,groups = "i2c2";
> + renesas,function = "i2c2";
> + };
> +
> qspi_pins: spi0 {
> renesas,groups = "qspi_ctrl", "qspi_data4";
> renesas,function = "qspi";
> @@ -170,6 +175,25 @@
> status = "okay";
> };
>
> +&i2c2 {
> + pinctrl-0 = <&i2c2_pins>;
> + pinctrl-names = "default";
> +
> + status = "okay";
> + clock-frequency = <400000>;
> +
> + video@20 {
> + compatible = "adi,adv7180";
> + reg = <0x20>;
> + };
> +
> + eeprom@50 {
> + compatible = "24c02";
I am holding off until a conclusion is reached on the discussion
elsewhere on the desired compatible string for the eeprom.
> + reg = <0x50>;
> + pagesize = <16>;
> + };
> +};
> +
> &qspi {
> pinctrl-0 = <&qspi_pins>;
> pinctrl-names = "default";
> --
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