From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kirsty.vergenet.net ([202.4.237.240]:57320 "EHLO kirsty.vergenet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751523AbcFVDtm (ORCPT ); Tue, 21 Jun 2016 23:49:42 -0400 From: Simon Horman To: linux-renesas-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Magnus Damm , Wolfram Sang , Simon Horman Subject: [PATCH v3 06/13] ARM: dts: koelsch: use demuxer for I2C2 Date: Wed, 22 Jun 2016 12:43:44 +0900 Message-Id: <1466567031-20381-7-git-send-email-horms+renesas@verge.net.au> In-Reply-To: <1466567031-20381-1-git-send-email-horms+renesas@verge.net.au> References: <1466567031-20381-1-git-send-email-horms+renesas@verge.net.au> Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: Create a separate bus for HDMI related I2C2 and provide fallback to GPIO. Based on work for the r8a7790/lager by Wolfram Sang. Cc: Wolfram Sang Signed-off-by: Simon Horman --- v3 * New patch --- arch/arm/boot/dts/r8a7791-koelsch.dts | 141 ++++++++++++++++++++-------------- 1 file changed, 82 insertions(+), 59 deletions(-) diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts index 744a6e2be2d2..0beb9556fe01 100644 --- a/arch/arm/boot/dts/r8a7791-koelsch.dts +++ b/arch/arm/boot/dts/r8a7791-koelsch.dts @@ -51,7 +51,9 @@ serial0 = &scif0; serial1 = &scif1; i2c9 = "gpioi2c1"; + i2c10 = "gpioi2c2"; i2c12 = "i2cexio1"; + i2c13 = "i2chdmi"; }; chosen { @@ -301,6 +303,17 @@ i2c-gpio,delay-us = <5>; }; + gpioi2c2: i2c-10 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "i2c-gpio"; + status = "disabled"; + gpios = <&gpio2 7 GPIO_ACTIVE_HIGH /* sda */ + &gpio2 6 GPIO_ACTIVE_HIGH /* scl */ + >; + i2c-gpio,delay-us = <5>; + }; + /* * I2C1 is routed to EXIO connector B, pins 64 (SCL) + 66 (SDA). * A fallback to GPIO is provided. @@ -312,6 +325,74 @@ #address-cells = <1>; #size-cells = <0>; }; + + /* + * A fallback to GPIO is provided for I2C2. + */ + i2chdmi: i2c-13 { + compatible = "i2c-demux-pinctrl"; + i2c-parent = <&i2c2>, <&gpioi2c2>; + i2c-bus-name = "i2c-hdmi"; + #address-cells = <1>; + #size-cells = <0>; + + ak4643: codec@12 { + compatible = "asahi-kasei,ak4643"; + #sound-dai-cells = <0>; + reg = <0x12>; + }; + + composite-in@20 { + compatible = "adi,adv7180"; + reg = <0x20>; + remote = <&vin1>; + + port { + adv7180: endpoint { + bus-width = <8>; + remote-endpoint = <&vin1ep>; + }; + }; + }; + + hdmi@39 { + compatible = "adi,adv7511w"; + reg = <0x39>; + interrupt-parent = <&gpio3>; + interrupts = <29 IRQ_TYPE_LEVEL_LOW>; + + adi,input-depth = <8>; + adi,input-colorspace = "rgb"; + adi,input-clock = "1x"; + adi,input-style = <1>; + adi,input-justification = "evenly"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + adv7511_in: endpoint { + remote-endpoint = <&du_out_rgb>; + }; + }; + + port@1 { + reg = <1>; + adv7511_out: endpoint { + remote-endpoint = <&hdmi_con>; + }; + }; + }; + }; + + eeprom@50 { + compatible = "renesas,24c02"; + reg = <0x50>; + pagesize = <16>; + }; + }; }; &du { @@ -575,67 +656,9 @@ &i2c2 { pinctrl-0 = <&i2c2_pins>; - pinctrl-names = "default"; + pinctrl-names = "i2c-hdmi"; - status = "okay"; clock-frequency = <100000>; - - ak4643: codec@12 { - compatible = "asahi-kasei,ak4643"; - #sound-dai-cells = <0>; - reg = <0x12>; - }; - - composite-in@20 { - compatible = "adi,adv7180"; - reg = <0x20>; - remote = <&vin1>; - - port { - adv7180: endpoint { - bus-width = <8>; - remote-endpoint = <&vin1ep>; - }; - }; - }; - - hdmi@39 { - compatible = "adi,adv7511w"; - reg = <0x39>; - interrupt-parent = <&gpio3>; - interrupts = <29 IRQ_TYPE_LEVEL_LOW>; - - adi,input-depth = <8>; - adi,input-colorspace = "rgb"; - adi,input-clock = "1x"; - adi,input-style = <1>; - adi,input-justification = "evenly"; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port@0 { - reg = <0>; - adv7511_in: endpoint { - remote-endpoint = <&du_out_rgb>; - }; - }; - - port@1 { - reg = <1>; - adv7511_out: endpoint { - remote-endpoint = <&hdmi_con>; - }; - }; - }; - }; - - eeprom@50 { - compatible = "renesas,24c02"; - reg = <0x50>; - pagesize = <16>; - }; }; &i2c6 { -- 2.1.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: horms+renesas@verge.net.au (Simon Horman) Date: Wed, 22 Jun 2016 12:43:44 +0900 Subject: [PATCH v3 06/13] ARM: dts: koelsch: use demuxer for I2C2 In-Reply-To: <1466567031-20381-1-git-send-email-horms+renesas@verge.net.au> References: <1466567031-20381-1-git-send-email-horms+renesas@verge.net.au> Message-ID: <1466567031-20381-7-git-send-email-horms+renesas@verge.net.au> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Create a separate bus for HDMI related I2C2 and provide fallback to GPIO. Based on work for the r8a7790/lager by Wolfram Sang. Cc: Wolfram Sang Signed-off-by: Simon Horman --- v3 * New patch --- arch/arm/boot/dts/r8a7791-koelsch.dts | 141 ++++++++++++++++++++-------------- 1 file changed, 82 insertions(+), 59 deletions(-) diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts index 744a6e2be2d2..0beb9556fe01 100644 --- a/arch/arm/boot/dts/r8a7791-koelsch.dts +++ b/arch/arm/boot/dts/r8a7791-koelsch.dts @@ -51,7 +51,9 @@ serial0 = &scif0; serial1 = &scif1; i2c9 = "gpioi2c1"; + i2c10 = "gpioi2c2"; i2c12 = "i2cexio1"; + i2c13 = "i2chdmi"; }; chosen { @@ -301,6 +303,17 @@ i2c-gpio,delay-us = <5>; }; + gpioi2c2: i2c-10 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "i2c-gpio"; + status = "disabled"; + gpios = <&gpio2 7 GPIO_ACTIVE_HIGH /* sda */ + &gpio2 6 GPIO_ACTIVE_HIGH /* scl */ + >; + i2c-gpio,delay-us = <5>; + }; + /* * I2C1 is routed to EXIO connector B, pins 64 (SCL) + 66 (SDA). * A fallback to GPIO is provided. @@ -312,6 +325,74 @@ #address-cells = <1>; #size-cells = <0>; }; + + /* + * A fallback to GPIO is provided for I2C2. + */ + i2chdmi: i2c-13 { + compatible = "i2c-demux-pinctrl"; + i2c-parent = <&i2c2>, <&gpioi2c2>; + i2c-bus-name = "i2c-hdmi"; + #address-cells = <1>; + #size-cells = <0>; + + ak4643: codec at 12 { + compatible = "asahi-kasei,ak4643"; + #sound-dai-cells = <0>; + reg = <0x12>; + }; + + composite-in at 20 { + compatible = "adi,adv7180"; + reg = <0x20>; + remote = <&vin1>; + + port { + adv7180: endpoint { + bus-width = <8>; + remote-endpoint = <&vin1ep>; + }; + }; + }; + + hdmi at 39 { + compatible = "adi,adv7511w"; + reg = <0x39>; + interrupt-parent = <&gpio3>; + interrupts = <29 IRQ_TYPE_LEVEL_LOW>; + + adi,input-depth = <8>; + adi,input-colorspace = "rgb"; + adi,input-clock = "1x"; + adi,input-style = <1>; + adi,input-justification = "evenly"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port at 0 { + reg = <0>; + adv7511_in: endpoint { + remote-endpoint = <&du_out_rgb>; + }; + }; + + port at 1 { + reg = <1>; + adv7511_out: endpoint { + remote-endpoint = <&hdmi_con>; + }; + }; + }; + }; + + eeprom at 50 { + compatible = "renesas,24c02"; + reg = <0x50>; + pagesize = <16>; + }; + }; }; &du { @@ -575,67 +656,9 @@ &i2c2 { pinctrl-0 = <&i2c2_pins>; - pinctrl-names = "default"; + pinctrl-names = "i2c-hdmi"; - status = "okay"; clock-frequency = <100000>; - - ak4643: codec at 12 { - compatible = "asahi-kasei,ak4643"; - #sound-dai-cells = <0>; - reg = <0x12>; - }; - - composite-in at 20 { - compatible = "adi,adv7180"; - reg = <0x20>; - remote = <&vin1>; - - port { - adv7180: endpoint { - bus-width = <8>; - remote-endpoint = <&vin1ep>; - }; - }; - }; - - hdmi at 39 { - compatible = "adi,adv7511w"; - reg = <0x39>; - interrupt-parent = <&gpio3>; - interrupts = <29 IRQ_TYPE_LEVEL_LOW>; - - adi,input-depth = <8>; - adi,input-colorspace = "rgb"; - adi,input-clock = "1x"; - adi,input-style = <1>; - adi,input-justification = "evenly"; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port at 0 { - reg = <0>; - adv7511_in: endpoint { - remote-endpoint = <&du_out_rgb>; - }; - }; - - port at 1 { - reg = <1>; - adv7511_out: endpoint { - remote-endpoint = <&hdmi_con>; - }; - }; - }; - }; - - eeprom at 50 { - compatible = "renesas,24c02"; - reg = <0x50>; - pagesize = <16>; - }; }; &i2c6 { -- 2.1.4