Hi, On Tue, Jul 01, 2014 at 04:00:20PM -0500, Darren Etheridge wrote: > Add the necessary nodes to enable the LCD controller and the > LCD panel that is attached to the Texas Instruments AM335x > EVMSK platform. Also setup the necessary pin mux within the > DT file to drive the LCD connector and add the correct > pinmux settings for the lcd pins to be configured to when > the SoC goes into sleep state for the minimum power > consumption. > > For the sleep mode LCD pin settings, MUX_MODE7 is chosen as > this corresponds to switching the pins into input GPIO's with > an internal pulldown. Which has been determined to offer the > lowest power solution vs leaving the pins configured in LCD > mode. > > Signed-off-by: Darren Etheridge <detheridge@xxxxxx> > Acked-by: Wolfram Sang <wsa@xxxxxxxxxxxxxxxxxxxx> Tested-by: Felipe Balbi <balbi@xxxxxx> serial console capture: http://slexy.org/view/s200thiMb3 note that v2 has been pending since May 9th: http://marc.info/?l=linux-omap&m=139966159102339&w=2 > --- > Tony, Benoit, > > I didn't see this patch get applied anywhere, so I updated it and I am > resending it. Please let me know if you need any more info before you will > apply it. > > Thanks, Darren > > v3: > Updated subject to match classification style of subsystem > Rebased against 3.16-rc3 > > v2: > Fixed up the incorrect label ordering in the pinmux comments for LCD pins > 16 through 23 as reported by Wolfram Sang <wsa@xxxxxxxxxxxxxxxxxxxx> > > arch/arm/boot/dts/am335x-evmsk.dts | 105 +++++++++++++++++++++++++++++++++++++ > 1 file changed, 105 insertions(+) > > diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts > index ab9a34c..59766e2 100644 > --- a/arch/arm/boot/dts/am335x-evmsk.dts > +++ b/arch/arm/boot/dts/am335x-evmsk.dts > @@ -149,12 +149,113 @@ > "Headphone Jack", "HPLOUT", > "Headphone Jack", "HPROUT"; > }; > + > + panel { > + compatible = "ti,tilcdc,panel"; > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&lcd_pins_default>; > + pinctrl-1 = <&lcd_pins_sleep>; > + status = "okay"; > + panel-info { > + ac-bias = <255>; > + ac-bias-intrpt = <0>; > + dma-burst-sz = <16>; > + bpp = <32>; > + fdd = <0x80>; > + sync-edge = <0>; > + sync-ctrl = <1>; > + raster-order = <0>; > + fifo-th = <0>; > + }; > + display-timings { > + 480x272 { > + hactive = <480>; > + vactive = <272>; > + hback-porch = <43>; > + hfront-porch = <8>; > + hsync-len = <4>; > + vback-porch = <12>; > + vfront-porch = <4>; > + vsync-len = <10>; > + clock-frequency = <9000000>; > + hsync-active = <0>; > + vsync-active = <0>; > + }; > + }; > + }; > }; > > &am33xx_pinmux { > pinctrl-names = "default"; > pinctrl-0 = <&gpio_keys_s0 &clkout2_pin>; > > + lcd_pins_default: lcd_pins_default { > + pinctrl-single,pins = < > + 0x20 (PIN_OUTPUT | MUX_MODE1) /* gpmc_ad8.lcd_data23 */ > + 0x24 (PIN_OUTPUT | MUX_MODE1) /* gpmc_ad9.lcd_data22 */ > + 0x28 (PIN_OUTPUT | MUX_MODE1) /* gpmc_ad10.lcd_data21 */ > + 0x2c (PIN_OUTPUT | MUX_MODE1) /* gpmc_ad11.lcd_data20 */ > + 0x30 (PIN_OUTPUT | MUX_MODE1) /* gpmc_ad12.lcd_data19 */ > + 0x34 (PIN_OUTPUT | MUX_MODE1) /* gpmc_ad13.lcd_data18 */ > + 0x38 (PIN_OUTPUT | MUX_MODE1) /* gpmc_ad14.lcd_data17 */ > + 0x3c (PIN_OUTPUT | MUX_MODE1) /* gpmc_ad15.lcd_data16 */ > + 0xa0 (PIN_OUTPUT | MUX_MODE0) /* lcd_data0.lcd_data0 */ > + 0xa4 (PIN_OUTPUT | MUX_MODE0) /* lcd_data1.lcd_data1 */ > + 0xa8 (PIN_OUTPUT | MUX_MODE0) /* lcd_data2.lcd_data2 */ > + 0xac (PIN_OUTPUT | MUX_MODE0) /* lcd_data3.lcd_data3 */ > + 0xb0 (PIN_OUTPUT | MUX_MODE0) /* lcd_data4.lcd_data4 */ > + 0xb4 (PIN_OUTPUT | MUX_MODE0) /* lcd_data5.lcd_data5 */ > + 0xb8 (PIN_OUTPUT | MUX_MODE0) /* lcd_data6.lcd_data6 */ > + 0xbc (PIN_OUTPUT | MUX_MODE0) /* lcd_data7.lcd_data7 */ > + 0xc0 (PIN_OUTPUT | MUX_MODE0) /* lcd_data8.lcd_data8 */ > + 0xc4 (PIN_OUTPUT | MUX_MODE0) /* lcd_data9.lcd_data9 */ > + 0xc8 (PIN_OUTPUT | MUX_MODE0) /* lcd_data10.lcd_data10 */ > + 0xcc (PIN_OUTPUT | MUX_MODE0) /* lcd_data11.lcd_data11 */ > + 0xd0 (PIN_OUTPUT | MUX_MODE0) /* lcd_data12.lcd_data12 */ > + 0xd4 (PIN_OUTPUT | MUX_MODE0) /* lcd_data13.lcd_data13 */ > + 0xd8 (PIN_OUTPUT | MUX_MODE0) /* lcd_data14.lcd_data14 */ > + 0xdc (PIN_OUTPUT | MUX_MODE0) /* lcd_data15.lcd_data15 */ > + 0xe0 (PIN_OUTPUT | MUX_MODE0) /* lcd_vsync.lcd_vsync */ > + 0xe4 (PIN_OUTPUT | MUX_MODE0) /* lcd_hsync.lcd_hsync */ > + 0xe8 (PIN_OUTPUT | MUX_MODE0) /* lcd_pclk.lcd_pclk */ > + 0xec (PIN_OUTPUT | MUX_MODE0) /* lcd_ac_bias_en.lcd_ac_bias_en */ > + >; > + }; > + > + lcd_pins_sleep: lcd_pins_sleep { > + pinctrl-single,pins = < > + 0x20 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad8.lcd_data23 */ > + 0x24 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad9.lcd_data22 */ > + 0x28 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad10.lcd_data21 */ > + 0x2c (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad11.lcd_data20 */ > + 0x30 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad12.lcd_data19 */ > + 0x34 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad13.lcd_data18 */ > + 0x38 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad14.lcd_data17 */ > + 0x3c (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad15.lcd_data16 */ > + 0xa0 (PULL_DISABLE | MUX_MODE7) /* lcd_data0.lcd_data0 */ > + 0xa4 (PULL_DISABLE | MUX_MODE7) /* lcd_data1.lcd_data1 */ > + 0xa8 (PULL_DISABLE | MUX_MODE7) /* lcd_data2.lcd_data2 */ > + 0xac (PULL_DISABLE | MUX_MODE7) /* lcd_data3.lcd_data3 */ > + 0xb0 (PULL_DISABLE | MUX_MODE7) /* lcd_data4.lcd_data4 */ > + 0xb4 (PULL_DISABLE | MUX_MODE7) /* lcd_data5.lcd_data5 */ > + 0xb8 (PULL_DISABLE | MUX_MODE7) /* lcd_data6.lcd_data6 */ > + 0xbc (PULL_DISABLE | MUX_MODE7) /* lcd_data7.lcd_data7 */ > + 0xc0 (PULL_DISABLE | MUX_MODE7) /* lcd_data8.lcd_data8 */ > + 0xc4 (PULL_DISABLE | MUX_MODE7) /* lcd_data9.lcd_data9 */ > + 0xc8 (PULL_DISABLE | MUX_MODE7) /* lcd_data10.lcd_data10 */ > + 0xcc (PULL_DISABLE | MUX_MODE7) /* lcd_data11.lcd_data11 */ > + 0xd0 (PULL_DISABLE | MUX_MODE7) /* lcd_data12.lcd_data12 */ > + 0xd4 (PULL_DISABLE | MUX_MODE7) /* lcd_data13.lcd_data13 */ > + 0xd8 (PULL_DISABLE | MUX_MODE7) /* lcd_data14.lcd_data14 */ > + 0xdc (PULL_DISABLE | MUX_MODE7) /* lcd_data15.lcd_data15 */ > + 0xe0 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_vsync.lcd_vsync */ > + 0xe4 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_hsync.lcd_hsync */ > + 0xe8 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_pclk.lcd_pclk */ > + 0xec (PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_ac_bias_en.lcd_ac_bias_en */ > + >; > + }; > + > + > user_leds_s0: user_leds_s0 { > pinctrl-single,pins = < > 0x10 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad4.gpio1_4 */ > @@ -573,3 +674,7 @@ > ti,wire-config = <0x00 0x11 0x22 0x33>; > }; > }; > + > +&lcdc { > + status = "okay"; > +}; > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- balbi
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