diff options
| author | Sinthu Raja <sinthu.raja@ti.com> | 2023-02-13 16:05:35 +0530 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2023-02-14 22:13:45 +0530 |
| commit | 2d78066051d21ef3e7c7881fa0f3f29cce9c39f6 (patch) | |
| tree | da3f700cea696ca2a07124e5441e29fd13b3252c /arch/arm64 | |
| parent | b4442aba319d0f43bf1b748d7e93527b2c45eef3 (diff) | |
arm64: dts: ti: k3-am68-sk-base-board: Update IO EXP GPIO lines for Rev E2
Rev E2 of the AM68 SK baseboard now includes two more GPIO IO expanders.
To match the Rev E2 schematics, update existing IO expander GPIO line names
and add one IO expander node that is required for display.
Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts index 05792cb3eabf..595615bb58e1 100644 --- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts @@ -134,7 +134,7 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; pinctrl-names = "default"; - gpio = <&exp1 4 GPIO_ACTIVE_HIGH>; /*P0 - DP0_3V3 _EN */ + gpio = <&exp2 2 GPIO_ACTIVE_HIGH>; /*P0 - DP0_3V3 _EN */ enable-active-high; }; @@ -176,7 +176,7 @@ compatible = "ti,tfp410"; /* HDMI_PDn */ - powerdown-gpios = <&exp1 2 GPIO_ACTIVE_LOW>; + powerdown-gpios = <&exp2 0 GPIO_ACTIVE_LOW>; port@0 { reg = <0>; @@ -468,12 +468,10 @@ reg = <0x21>; gpio-controller; #gpio-cells = <2>; - gpio-line-names = "CSI_VIO_SEL", "CSI_SEL_FPC_EXPn", "HDMI_PDn", - "HDMI_LS_OE", "DP0_3V3 _EN", "BOARDID_EEPROM_WP", - "CAN_STB", " ", "GPIO_uSD_PWR_EN", "eDP_ENABLE", - "IO_EXP_PCIe1_M.2_RTSz", "IO_EXP_MCU_RGMII_RST#", - "IO_EXP_CSI2_EXP_RSTz", " ", "CSI0_B_GPIO1", - "CSI1_B_GPIO1"; + gpio-line-names = " ", " ", " ", " ", " ", + "BOARDID_EEPROM_WP", "CAN_STB", " ", + "GPIO_uSD_PWR_EN", " ", "IO_EXP_PCIe1_M.2_RTSz", + "IO_EXP_MCU_RGMII_RST#", " ", " ", " ", " "; }; }; @@ -515,6 +513,15 @@ /* i2c1 is used for DVI DDC, so we need to use 100kHz */ clock-frequency = <100000>; + exp2: gpio@20 { + compatible = "ti,tca6408"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "HDMI_PDn","HDMI_LS_OE", + "DP0_3V3_EN","eDP_ENABLE"; + }; + dsi_edp_bridge: dsi-edp-bridge@2c { compatible = "ti,sn65dsi86"; reg = <0x2c>; @@ -522,7 +529,7 @@ clock-names = "refclk"; clocks = <&edp0_refclk>; - enable-gpios = <&exp1 9 GPIO_ACTIVE_HIGH>; + enable-gpios = <&exp2 3 GPIO_ACTIVE_HIGH>; vpll-supply = <&vsys_io_1v8>; vccio-supply = <&vsys_io_1v8>; |