From: Simon Horman <horms+renesas@verge.net.au> To: linux-renesas-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Magnus Damm <magnus.damm@gmail.com>, Wolfram Sang <wsa+renesas@sang-engineering.com>, Simon Horman <horms+renesas@verge.net.au> Subject: [PATCH 38/47] ARM: dts: alt: use demuxer for I2C1 Date: Fri, 16 Mar 2018 17:38:35 +0100 [thread overview] Message-ID: <61866d7fdc7007acfca2107f7d9fcb05ed0c6203.1521218085.git.horms+renesas@verge.net.au> (raw) In-Reply-To: <cover.1521218085.git.horms+renesas@verge.net.au> From: Wolfram Sang <wsa+renesas@sang-engineering.com> Create a separate bus for HDMI related I2C1 and provide fallback to GPIO. Based on work for the r8a7790/lager by Wolfram Sang. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> [wsa: rebased, fixed aliases, switched to named GPIOs] Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- arch/arm/boot/dts/r8a7794-alt.dts | 53 +++++++++++++++++++++++++++------------ 1 file changed, 37 insertions(+), 16 deletions(-) diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts index 60c6515c4996..26a883484ea8 100644 --- a/arch/arm/boot/dts/r8a7794-alt.dts +++ b/arch/arm/boot/dts/r8a7794-alt.dts @@ -18,7 +18,9 @@ aliases { serial0 = &scif2; + i2c9 = &gpioi2c1; i2c10 = &gpioi2c4; + i2c11 = &i2chdmi; i2c12 = &i2cexio4; }; @@ -138,17 +140,50 @@ clock-frequency = <148500000>; }; + gpioi2c1: i2c-9 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "i2c-gpio"; + status = "disabled"; + scl-gpios = <&gpio4 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio4 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + }; + gpioi2c4: i2c-10 { #address-cells = <1>; #size-cells = <0>; compatible = "i2c-gpio"; status = "disabled"; - sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; scl-gpios = <&gpio4 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; i2c-gpio,delay-us = <5>; }; /* + * A fallback to GPIO is provided for I2C1. + */ + i2chdmi: i2c-11 { + compatible = "i2c-demux-pinctrl"; + i2c-parent = <&i2c1>, <&gpioi2c1>; + i2c-bus-name = "i2c-hdmi"; + #address-cells = <1>; + #size-cells = <0>; + + composite-in@20 { + compatible = "adi,adv7180"; + reg = <0x20>; + remote = <&vin0>; + + port { + adv7180: endpoint { + bus-width = <8>; + remote-endpoint = <&vin0ep>; + }; + }; + }; + }; + + /* * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA). * A fallback to GPIO is provided. */ @@ -324,23 +359,9 @@ &i2c1 { pinctrl-0 = <&i2c1_pins>; - pinctrl-names = "default"; + pinctrl-names = "i2c-hdmi"; - status = "okay"; clock-frequency = <400000>; - - composite-in@20 { - compatible = "adi,adv7180"; - reg = <0x20>; - remote = <&vin0>; - - port { - adv7180: endpoint { - bus-width = <8>; - remote-endpoint = <&vin0ep>; - }; - }; - }; }; &i2c4 { -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: horms+renesas@verge.net.au (Simon Horman) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 38/47] ARM: dts: alt: use demuxer for I2C1 Date: Fri, 16 Mar 2018 17:38:35 +0100 [thread overview] Message-ID: <61866d7fdc7007acfca2107f7d9fcb05ed0c6203.1521218085.git.horms+renesas@verge.net.au> (raw) In-Reply-To: <cover.1521218085.git.horms+renesas@verge.net.au> From: Wolfram Sang <wsa+renesas@sang-engineering.com> Create a separate bus for HDMI related I2C1 and provide fallback to GPIO. Based on work for the r8a7790/lager by Wolfram Sang. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> [wsa: rebased, fixed aliases, switched to named GPIOs] Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- arch/arm/boot/dts/r8a7794-alt.dts | 53 +++++++++++++++++++++++++++------------ 1 file changed, 37 insertions(+), 16 deletions(-) diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts index 60c6515c4996..26a883484ea8 100644 --- a/arch/arm/boot/dts/r8a7794-alt.dts +++ b/arch/arm/boot/dts/r8a7794-alt.dts @@ -18,7 +18,9 @@ aliases { serial0 = &scif2; + i2c9 = &gpioi2c1; i2c10 = &gpioi2c4; + i2c11 = &i2chdmi; i2c12 = &i2cexio4; }; @@ -138,17 +140,50 @@ clock-frequency = <148500000>; }; + gpioi2c1: i2c-9 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "i2c-gpio"; + status = "disabled"; + scl-gpios = <&gpio4 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio4 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + }; + gpioi2c4: i2c-10 { #address-cells = <1>; #size-cells = <0>; compatible = "i2c-gpio"; status = "disabled"; - sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; scl-gpios = <&gpio4 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; i2c-gpio,delay-us = <5>; }; /* + * A fallback to GPIO is provided for I2C1. + */ + i2chdmi: i2c-11 { + compatible = "i2c-demux-pinctrl"; + i2c-parent = <&i2c1>, <&gpioi2c1>; + i2c-bus-name = "i2c-hdmi"; + #address-cells = <1>; + #size-cells = <0>; + + composite-in at 20 { + compatible = "adi,adv7180"; + reg = <0x20>; + remote = <&vin0>; + + port { + adv7180: endpoint { + bus-width = <8>; + remote-endpoint = <&vin0ep>; + }; + }; + }; + }; + + /* * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA). * A fallback to GPIO is provided. */ @@ -324,23 +359,9 @@ &i2c1 { pinctrl-0 = <&i2c1_pins>; - pinctrl-names = "default"; + pinctrl-names = "i2c-hdmi"; - status = "okay"; clock-frequency = <400000>; - - composite-in at 20 { - compatible = "adi,adv7180"; - reg = <0x20>; - remote = <&vin0>; - - port { - adv7180: endpoint { - bus-width = <8>; - remote-endpoint = <&vin0ep>; - }; - }; - }; }; &i2c4 { -- 2.11.0
next prev parent reply other threads:[~2018-03-16 16:39 UTC|newest] Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-03-16 16:38 [GIT PULL v2] Renesas ARM Based SoC DT Updates for v4.17 Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:37 ` [PATCH 01/47] ARM: dts: r8a7790: Reduce size of thermal registers Simon Horman 2018-03-16 16:37 ` Simon Horman 2018-03-16 16:37 ` [PATCH 02/47] ARM: dts: r8a7791: " Simon Horman 2018-03-16 16:37 ` Simon Horman 2018-03-16 16:38 ` [PATCH 03/47] ARM: dts: r8a7793: " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 04/47] ARM: dts: lager: Add CEC clock for HDMI transmitter Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 05/47] ARM: dts: iwg20m: Enable cmt0 Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 06/47] ARM: dts: iwg22m: " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 07/47] ARM: dts: porter: Fix HDMI output routing Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 08/47] ARM: dts: r8a7790: consistently use single space after = Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 09/47] ARM: dts: r8a7790: add soc node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 10/47] ARM: dts: r8a7790: sort subnodes of " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 11/47] ARM: dts: r8a7790: sort subnodes of root node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 12/47] ARM: dts: r8a7791: consistently use single space after = Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 13/47] ARM: dts: r8a7791: add soc node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 14/47] ARM: dts: r8a7791: sort subnodes of root node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 15/47] ARM: dts: r8a7792: sort subnodes of soc node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 16/47] ARM: dts: r8a7793: consistently use single space after = Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 17/47] ARM: dts: r8a7793: add soc node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 18/47] ARM: dts: r8a7793: sort subnodes of " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 19/47] ARM: dts: r8a7793: sort subnodes of root node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 20/47] ARM: dts: r8a7794: consistently use single space after = Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 21/47] ARM: dts: r8a7794: add soc node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 22/47] ARM: dts: r8a7794: sort subnodes of " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 23/47] ARM: dts: r8a7794: sort subnodes of root node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 24/47] ARM: dts: r8a7790: consistently use single space before = Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 25/47] ARM: dts: r8a7791: " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 26/47] ARM: dts: r8a7793: " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 27/47] ARM: dts: r8a7743: sort subnodes of soc node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 28/47] ARM: dts: r8a7745: " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 29/47] ARM: dts: r8a7743: Add IPMMU DT nodes Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 30/47] ARM: dts: r8a7745: " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 31/47] ARM: dts: r8a7743: Add VSP support Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 32/47] ARM: dts: r8a7745: " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 33/47] ARM: dts: lager: use demuxer for IIC2/I2C2 Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 34/47] ARM: dts: lager: use demuxer for IIC3/I2C3 Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 35/47] ARM: dts: koelsch: use demuxer for I2C2 Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 36/47] ARM: dts: koelsch: use demuxer for I2C4 Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 37/47] ARM: dts: porter: use demuxer for I2C2 Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` Simon Horman [this message] 2018-03-16 16:38 ` [PATCH 38/47] ARM: dts: alt: use demuxer for I2C1 Simon Horman 2018-03-16 16:38 ` [PATCH 39/47] ARM: dts: silk: " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 40/47] ARM: dts: gose: use demuxer for I2C2 Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 41/47] ARM: dts: gose: use demuxer for I2C4 Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 42/47] ARM: dts: kzm9d: Fix "debounce-interval" property misspelling Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 43/47] ARM: dts: lager: Move cec_clock to root node Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 44/47] ARM: dts: stout: Initial r8a7790 Stout board support Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 45/47] ARM: dts: marzen: Add SDHI0 VCCQ Regulator Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 46/47] ARM: dts: silk: Add r1ex24002 EEPROM to DT Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-16 16:38 ` [PATCH 47/47] ARM: dts: silk: Add GPIO keys " Simon Horman 2018-03-16 16:38 ` Simon Horman 2018-03-27 12:10 ` [GIT PULL v2] Renesas ARM Based SoC DT Updates for v4.17 Arnd Bergmann 2018-03-27 12:10 ` Arnd Bergmann
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