From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: [PATCH v4 01/14] ARM: dts: lager: rename and reindex i2cexio Date: Sun, 6 Nov 2016 21:20:19 +0100 Message-ID: <20161106202032.5227-2-wsa+renesas@sang-engineering.com> References: <20161106202032.5227-1-wsa+renesas@sang-engineering.com> Return-path: In-Reply-To: <20161106202032.5227-1-wsa+renesas@sang-engineering.com> Sender: linux-renesas-soc-owner@vger.kernel.org To: linux-renesas-soc@vger.kernel.org, Simon Horman Cc: linux-i2c@vger.kernel.org, Simon Horman , Wolfram Sang List-Id: linux-i2c@vger.kernel.org From: Simon Horman The rename from i2cexio to i2cexio0 is in in preparation for adding i2cexio1 which will use the dmuxer for IIC1/I2C1. The reindexing from i2c8 to i2c10 is to allow space for grouping of additional GPIO buses to added by follow-up patches to support demuxing of other i2c buses. Also note that fallback to GPIO is not provided by the hardware for IIC0/I2C0. Signed-off-by: Simon Horman [wsa: rebased, fixed alias and removed typo in commit message] Signed-off-by: Wolfram Sang --- arch/arm/boot/dts/r8a7790-lager.dts | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts index e42748a5fe10ac..dafa49f837118e 100644 --- a/arch/arm/boot/dts/r8a7790-lager.dts +++ b/arch/arm/boot/dts/r8a7790-lager.dts @@ -50,7 +50,7 @@ aliases { serial0 = &scif0; serial1 = &scifa1; - i2c8 = "i2cexio"; + i2c10 = &i2cexio0; }; chosen { @@ -273,11 +273,13 @@ * bus with IIC3 on pins 110 (SCL) + 112 (SDA), select I2C0 at runtime, and * instantiate the slave device at runtime according to the documentation. * You can then communicate with the slave via IIC3. + * + * IIC0/I2C0 does not appear to support fallback to GPIO. */ - i2cexio: i2c-8 { + i2cexio0: i2c-10 { compatible = "i2c-demux-pinctrl"; i2c-parent = <&iic0>, <&i2c0>; - i2c-bus-name = "i2c-exio"; + i2c-bus-name = "i2c-exio0"; #address-cells = <1>; #size-cells = <0>; }; @@ -597,12 +599,12 @@ &i2c0 { pinctrl-0 = <&i2c0_pins>; - pinctrl-names = "i2c-exio"; + pinctrl-names = "i2c-exio0"; }; &iic0 { pinctrl-0 = <&iic0_pins>; - pinctrl-names = "i2c-exio"; + pinctrl-names = "i2c-exio0"; }; &iic1 { -- 2.9.3