From 5a5232d1932b5d1ca472037bc8b38c21fa0cb6f8 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Wed, 17 Aug 2016 09:34:58 +0200 Subject: [PATCH 1/2] ARM: dts: exynos: Use stdout non-deprecated property and add serial options to Odroid XU/XU3/XU4 The "linux,stdout-path" is deprecated. Add serial options so the console can be properly configured when bootloader does not pass "console" parameter to the command line. Without options and lack of "console" in command line, the serial output dies during boot (just after probing sound, probably because of rate change). Signed-off-by: Krzysztof Kozlowski Reviewed-by: Javier Martinez Canillas --- arch/arm/boot/dts/exynos5410-odroidxu.dts | 2 +- arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts index d9499310a301b..3912969ec2231 100644 --- a/arch/arm/boot/dts/exynos5410-odroidxu.dts +++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts @@ -26,7 +26,7 @@ }; chosen { - linux,stdout-path = &serial_2; + stdout-path = "serial2:115200n8"; }; emmc_pwrseq: pwrseq { diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi index d56253049ccbc..d04490d40b079 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi @@ -26,7 +26,7 @@ }; chosen { - linux,stdout-path = &serial_2; + stdout-path = "serial2:115200n8"; }; firmware@02073000 { From 05b01dd936b46f2c3cfbb10bc89c0ec79c745e5d Mon Sep 17 00:00:00 2001 From: Milo Kim Date: Wed, 24 Aug 2016 22:07:16 +0900 Subject: [PATCH 2/2] ARM: dts: exynos: Use 'hpd-gpios' instead of 'hpd-gpio' This patch enables getting a HPD GPIO descriptor quicker. The exynos-hdmi driver uses "hpd" for HDMI hot plug detection. static int hdmi_resources_init(struct hdmi_context *hdata) { ... hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN); ... } This calls 'of_find_gpio()' and it generates the GPIO consumer ID by referring GPIO suffix. So 'hpd-gpios' is preferred on getting a GPIO descriptor. However, if the device tree uses 'hpd-gpio', then the exynos-hdmi driver always retries to get a GPIO descriptor because the first GPIO suffix is not 'gpio' but 'gpios'. So you always see the debug message below. of_get_named_gpiod_flags: can't parse 'hpd-gpios' property of node '/soc/hdmi@14530000[0]' Use the preferred property, 'hpd-gpios' instead of 'hpd-gpio'. Acked-by: Rob Herring Reviewed-by: Andrzej Hajda Cc: devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Milo Kim Signed-off-by: Krzysztof Kozlowski --- .../devicetree/bindings/display/exynos/exynos_hdmi.txt | 4 ++-- arch/arm/boot/dts/exynos4210-universal_c210.dts | 2 +- arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 2 +- arch/arm/boot/dts/exynos5250-arndale.dts | 2 +- arch/arm/boot/dts/exynos5250-smdk5250.dts | 2 +- arch/arm/boot/dts/exynos5250-snow-common.dtsi | 2 +- arch/arm/boot/dts/exynos5250-spring.dts | 2 +- arch/arm/boot/dts/exynos5420-peach-pit.dts | 2 +- arch/arm/boot/dts/exynos5420-smdk5420.dts | 2 +- arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 2 +- arch/arm/boot/dts/exynos5800-peach-pi.dts | 2 +- 11 files changed, 12 insertions(+), 12 deletions(-) diff --git a/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt b/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt index a2ec4c1c93825..6394ea9e3b9e5 100644 --- a/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt +++ b/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt @@ -9,7 +9,7 @@ Required properties: - reg: physical base address of the hdmi and length of memory mapped region. - interrupts: interrupt number to the cpu. -- hpd-gpio: following information about the hotplug gpio pin. +- hpd-gpios: following information about the hotplug gpio pin. a) phandle of the gpio controller node. b) pin number within the gpio controller. c) optional flags and pull up/down. @@ -56,7 +56,7 @@ Example: compatible = "samsung,exynos4212-hdmi"; reg = <0x14530000 0x100000>; interrupts = <0 95 0>; - hpd-gpio = <&gpx3 7 1>; + hpd-gpios = <&gpx3 7 1>; ddc = <&hdmi_ddc_node>; phy = <&hdmi_phy_node>; samsung,syscon-phandle = <&pmu_system_controller>; diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts index 9a75e3effbc98..cf95202fa310d 100644 --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -269,7 +269,7 @@ }; &hdmi { - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_hpd>; hdmi-en-supply = <&hdmi_en>; diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi index 58ad48e7b8f73..be644fe6a0fdd 100644 --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi @@ -227,7 +227,7 @@ }; &hdmi { - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_hpd>; vdd-supply = <&ldo8_reg>; diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts index ea70603f660db..3d981f32874d9 100644 --- a/arch/arm/boot/dts/exynos5250-arndale.dts +++ b/arch/arm/boot/dts/exynos5250-arndale.dts @@ -152,7 +152,7 @@ }; &hdmi { - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_LOW>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_LOW>; vdd_osc-supply = <&ldo10_reg>; vdd_pll-supply = <&ldo8_reg>; vdd-supply = <&ldo8_reg>; diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 381af134c4c87..7f27263728a10 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -116,7 +116,7 @@ }; &hdmi { - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; }; &i2c_0 { diff --git a/arch/arm/boot/dts/exynos5250-snow-common.dtsi b/arch/arm/boot/dts/exynos5250-snow-common.dtsi index fadbea744e1a7..1055d25c0ccc6 100644 --- a/arch/arm/boot/dts/exynos5250-snow-common.dtsi +++ b/arch/arm/boot/dts/exynos5250-snow-common.dtsi @@ -260,7 +260,7 @@ }; &hdmi { - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_hpd_irq>; phy = <&hdmiphy>; diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts index 44f4292bfef69..1d52a79b2f183 100644 --- a/arch/arm/boot/dts/exynos5250-spring.dts +++ b/arch/arm/boot/dts/exynos5250-spring.dts @@ -91,7 +91,7 @@ }; &hdmi { - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_hpd_irq>; phy = <&hdmiphy>; diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts index fe4e0915c0c61..f6f256fd9b5e7 100644 --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts @@ -179,7 +179,7 @@ &hdmi { status = "okay"; - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_hpd_irq>; ddc = <&i2c_2>; diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts index ed8f3426911bc..29546465d3da6 100644 --- a/arch/arm/boot/dts/exynos5420-smdk5420.dts +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts @@ -130,7 +130,7 @@ &hdmi { status = "okay"; - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_hpd_irq>; }; diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi index d04490d40b079..7bb8a370072a3 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi @@ -250,7 +250,7 @@ &hdmi { status = "okay"; - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_hpd_irq>; diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts index 5ec71e2400fd7..51a8bca4691ce 100644 --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts @@ -179,7 +179,7 @@ &hdmi { status = "okay"; - hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&hdmi_hpd_irq>; ddc = <&i2c_2>;