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| author |   ToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp> | 2020-03-30 09:24:26 +0900 |
|---|---|---|
| committer | ToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp> | 2020-03-30 09:24:26 +0900 |
| commit | 5b80bfd7bffd4c20d80b7c70a7130529e9a755dd (patch) | |
| tree | b4bb18dcd1487dbf1ea8127e5671b7bb2eded033 /bsp/meta-freescale-3rdparty/recipes-kernel/linux/linux-compulab-3.14.28/0038-ARM-i.MX6-iomux-raise-DSE-for-display-signals.patch | |
| parent | 706ad73eb02caf8532deaf5d38995bd258725cb8 (diff) | |
agl-basesystem
Diffstat (limited to 'bsp/meta-freescale-3rdparty/recipes-kernel/linux/linux-compulab-3.14.28/0038-ARM-i.MX6-iomux-raise-DSE-for-display-signals.patch')
| -rw-r--r-- | bsp/meta-freescale-3rdparty/recipes-kernel/linux/linux-compulab-3.14.28/0038-ARM-i.MX6-iomux-raise-DSE-for-display-signals.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/bsp/meta-freescale-3rdparty/recipes-kernel/linux/linux-compulab-3.14.28/0038-ARM-i.MX6-iomux-raise-DSE-for-display-signals.patch b/bsp/meta-freescale-3rdparty/recipes-kernel/linux/linux-compulab-3.14.28/0038-ARM-i.MX6-iomux-raise-DSE-for-display-signals.patch new file mode 100644 index 00000000..f2c5823d --- /dev/null +++ b/bsp/meta-freescale-3rdparty/recipes-kernel/linux/linux-compulab-3.14.28/0038-ARM-i.MX6-iomux-raise-DSE-for-display-signals.patch @@ -0,0 +1,73 @@ +From 18d516509c4acc54d0d8b6ce3019d721db81334a Mon Sep 17 00:00:00 2001 +From: Valentin Raevsky <valentin@compulab.co.il> +Date: Wed, 11 Feb 2015 18:15:42 +0200 +Subject: [PATCH 38/59] ARM: i.MX6: iomux: raise DSE for display signals + +While drive strength of display signals is configured for 120 Ohm, some +displays exhibit artifacts. +Typical drive strength should be around 50 Ohm. +To fix the the visual artifacts, we raise the drive strength to 48 Ohm. + +Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> +Signed-off-by: Valentin Raevsky <valentin@compulab.co.il> +--- + arch/arm/boot/dts/imx6q-cm-fx6.dtsi | 36 ++++++++++++++++++++++++++++++++++- + 1 file changed, 35 insertions(+), 1 deletion(-) + +diff --git a/arch/arm/boot/dts/imx6q-cm-fx6.dtsi b/arch/arm/boot/dts/imx6q-cm-fx6.dtsi +index 7d39f50..9a956ac 100644 +--- a/arch/arm/boot/dts/imx6q-cm-fx6.dtsi ++++ b/arch/arm/boot/dts/imx6q-cm-fx6.dtsi +@@ -210,7 +210,7 @@ + disp_id = <0>; + default_ifmt = "RGB24"; + pinctrl-names = "default"; +- pinctrl-0 = <&pinctrl_ipu1_1>; ++ pinctrl-0 = <&pinctrl_ipu1_lcd>; + status = "okay"; + }; + +@@ -268,6 +268,40 @@ + >; + }; + ++ pinctrl_ipu1_lcd: ipu1grp-lcd { ++ fsl,pins = < ++ MX6QDL_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK 0x38 ++ MX6QDL_PAD_DI0_PIN15__IPU1_DI0_PIN15 0x38 ++ MX6QDL_PAD_DI0_PIN2__IPU1_DI0_PIN02 0x38 ++ MX6QDL_PAD_DI0_PIN3__IPU1_DI0_PIN03 0x38 ++ MX6QDL_PAD_DI0_PIN4__IPU1_DI0_PIN04 0x80000028 ++ MX6QDL_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 0x38 ++ MX6QDL_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 0x38 ++ MX6QDL_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 0x38 ++ MX6QDL_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 0x38 ++ MX6QDL_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 0x38 ++ MX6QDL_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 0x38 ++ MX6QDL_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 0x38 ++ MX6QDL_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 0x38 ++ MX6QDL_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 0x38 ++ MX6QDL_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 0x38 ++ MX6QDL_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 0x38 ++ MX6QDL_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 0x38 ++ MX6QDL_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 0x38 ++ MX6QDL_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 0x38 ++ MX6QDL_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 0x38 ++ MX6QDL_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 0x38 ++ MX6QDL_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 0x38 ++ MX6QDL_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 0x38 ++ MX6QDL_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 0x38 ++ MX6QDL_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 0x38 ++ MX6QDL_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 0x38 ++ MX6QDL_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 0x38 ++ MX6QDL_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 0x38 ++ MX6QDL_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 0x38 ++ >; ++ }; ++ + /* pins for spi */ + pinctrl_ecspi1: ecspi1grp { + fsl,pins = < +-- +1.7.9.5 + |