diff options
Diffstat (limited to 'arch/arm/boot/dts/am43x-epos-evm.dts')
| -rw-r--r-- | arch/arm/boot/dts/am43x-epos-evm.dts | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index fbf9c4c7a94f..167dbc8494de 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -13,6 +13,7 @@ #include "am4372.dtsi" #include <dt-bindings/pinctrl/am43xx.h> #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pwm/pwm.h> / { model = "TI AM43x EPOS EVM"; @@ -79,6 +80,64 @@ 0x18c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */ >; }; + + nand_flash_x8: nand_flash_x8 { + pinctrl-single,pins = < + 0x40 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a0.SELQSPIorNAND/GPIO */ + 0x0 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */ + 0x4 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */ + 0x8 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */ + 0xc (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */ + 0x10 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */ + 0x14 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */ + 0x18 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */ + 0x1c (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */ + 0x70 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */ + 0x74 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpmc_wpn */ + 0x7c (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */ + 0x90 (PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */ + 0x94 (PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */ + 0x98 (PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */ + 0x9c (PIN_OUTPUT | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */ + >; + }; + + ecap0_pins: backlight_pins { + pinctrl-single,pins = < + 0x164 MUX_MODE0 /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */ + >; + }; + + i2c2_pins: pinmux_i2c2_pins { + pinctrl-single,pins = < + 0x1c0 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE8) /* i2c2_sda.i2c2_sda */ + 0x1c4 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE8) /* i2c2_scl.i2c2_scl */ + >; + }; + + spi0_pins: pinmux_spi0_pins { + pinctrl-single,pins = < + 0x150 (PIN_INPUT | MUX_MODE0) /* spi0_clk.spi0_clk */ + 0x154 (PIN_OUTPUT | MUX_MODE0) /* spi0_d0.spi0_d0 */ + 0x158 (PIN_INPUT | MUX_MODE0) /* spi0_d1.spi0_d1 */ + 0x15c (PIN_OUTPUT | MUX_MODE0) /* spi0_cs0.spi0_cs0 */ + >; + }; + + spi1_pins: pinmux_spi1_pins { + pinctrl-single,pins = < + 0x190 (PIN_INPUT | MUX_MODE3) /* mcasp0_aclkx.spi1_clk */ + 0x194 (PIN_OUTPUT | MUX_MODE3) /* mcasp0_fsx.spi1_d0 */ + 0x198 (PIN_INPUT | MUX_MODE3) /* mcasp0_axr0.spi1_d1 */ + 0x19c (PIN_OUTPUT | MUX_MODE3) /* mcasp0_ahclkr.spi1_cs0 */ + >; + }; + + mmc1_pins: pinmux_mmc1_pins { + pinctrl-single,pins = < + 0x160 (PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */ + >; + }; }; matrix_keypad: matrix_keypad@0 { @@ -113,12 +172,22 @@ 0x0203006c /* DOWN */ 0x03030069>; /* LEFT */ }; + + backlight { + compatible = "pwm-backlight"; + pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <0 51 53 56 62 75 101 152 255>; + default-brightness-level = <8>; + }; }; &mmc1 { status = "okay"; vmmc-supply = <&vmmcsd_fixed>; bus-width = <4>; + pinctrl-names = "default"; + pinctrl-0 = <&mmc1_pins>; + cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>; }; &mac { @@ -169,6 +238,12 @@ }; }; +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins>; + status = "okay"; +}; + &gpio0 { status = "okay"; }; @@ -184,3 +259,111 @@ &gpio3 { status = "okay"; }; + +&elm { + status = "okay"; +}; + +&gpmc { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&nand_flash_x8>; + ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ + nand@0,0 { + reg = <0 0 0>; /* CS0, offset 0 */ + ti,nand-ecc-opt = "bch8"; + ti,elm-id = <&elm>; + nand-bus-width = <8>; + gpmc,device-width = <1>; + gpmc,sync-clk-ps = <0>; + gpmc,cs-on-ns = <0>; + gpmc,cs-rd-off-ns = <40>; /* tCEA + tCHZ + 1 */ + gpmc,cs-wr-off-ns = <40>; + gpmc,adv-on-ns = <0>; /* cs-on-ns */ + gpmc,adv-rd-off-ns = <25>; /* min( tALH + tALS + 1) */ + gpmc,adv-wr-off-ns = <25>; /* min( tALH + tALS + 1) */ + gpmc,we-on-ns = <0>; /* cs-on-ns */ + gpmc,we-off-ns = <20>; /* we-on-time + tWP + 2 */ + gpmc,oe-on-ns = <3>; /* cs-on-ns + tRR + 2 */ + gpmc,oe-off-ns = <30>; /* oe-on-ns + tRP + 2 */ + gpmc,access-ns = <30>; /* tCEA + 4*/ + gpmc,rd-cycle-ns = <40>; + gpmc,wr-cycle-ns = <40>; + gpmc,wait-on-read = "true"; + gpmc,wait-on-write = "true"; + gpmc,bus-turnaround-ns = <0>; + gpmc,cycle2cycle-delay-ns = <0>; + gpmc,clk-activation-ns = <0>; + gpmc,wait-monitoring-ns = <0>; + gpmc,wr-access-ns = <40>; + gpmc,wr-data-mux-bus-ns = <0>; + /* MTD partition table */ + /* All SPL-* partitions are sized to minimal length + * which can be independently programmable. For + * NAND flash this is equal to size of erase-block */ + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "NAND.SPL"; + reg = <0x00000000 0x00040000>; + }; + partition@1 { + label = "NAND.SPL.backup1"; + reg = <0x00040000 0x00040000>; + }; + partition@2 { + label = "NAND.SPL.backup2"; + reg = <0x00080000 0x00040000>; + }; + partition@3 { + label = "NAND.SPL.backup3"; + reg = <0x000C0000 0x00040000>; + }; + partition@4 { + label = "NAND.u-boot-spl-os"; + reg = <0x00100000 0x00080000>; + }; + partition@5 { + label = "NAND.u-boot"; + reg = <0x00180000 0x00100000>; + }; + partition@6 { + label = "NAND.u-boot-env"; + reg = <0x00280000 0x00040000>; + }; + partition@7 { + label = "NAND.u-boot-env.backup1"; + reg = <0x002C0000 0x00040000>; + }; + partition@8 { + label = "NAND.kernel"; + reg = <0x00300000 0x00700000>; + }; + partition@9 { + label = "NAND.file-system"; + reg = <0x00800000 0x1F600000>; + }; + }; +}; + +&epwmss0 { + status = "okay"; +}; + +&ecap0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&ecap0_pins>; +}; + +&spi0 { + pinctrl-names = "default"; + pinctrl-0 = <&spi0_pins>; + status = "okay"; +}; + +&spi1 { + pinctrl-names = "default"; + pinctrl-0 = <&spi1_pins>; + status = "okay"; +}; |