diff options
| -rw-r--r-- | arch/arm/boot/dts/lpc4350-hitex-eval.dts | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/lpc4350-hitex-eval.dts b/arch/arm/boot/dts/lpc4350-hitex-eval.dts index 1150052731af..32bc7ff4eb2a 100644 --- a/arch/arm/boot/dts/lpc4350-hitex-eval.dts +++ b/arch/arm/boot/dts/lpc4350-hitex-eval.dts @@ -37,6 +37,106 @@ }; &pinctrl { + emc_pins: emc-pins { + emc_addr0_23_cfg { + pins = "p2_9", "p2_10", "p2_11", "p2_12", + "p2_13", "p1_0", "p1_1", "p1_2", + "p2_8", "p2_7", "p2_6", "p2_2", + "p2_1", "p2_0", "p6_8", "p6_7", + "pd_16", "pd_15", "pe_0", "pe_1", + "pe_2", "pe_3", "pe_4", "pa_4"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + + emc_data0_15_cfg { + pins = "p1_7", "p1_8", "p1_9", "p1_10", + "p1_11", "p1_12", "p1_13", "p1_14", + "p5_4", "p5_5", "p5_6", "p5_7", + "p5_0", "p5_1", "p5_2", "p5_3"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + + emc_we_oe_cfg { + pins = "p1_6", "p1_3"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + + emc_bls0_3_cfg { + pins = "p1_4", "p6_6", "pd_13", "pd_10"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + + emc_cs0_cs2_cfg { + pins = "p1_5", "pd_12"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + + emc_sdram_dqm0_3_cfg { + pins = "p6_12", "p6_10", "pd_0", "pe_13"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + + emc_sdram_ras_cas_cfg { + pins = "p6_5", "p6_4"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + + emc_sdram_dycs0_cfg { + pins = "p6_9"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + + emc_sdram_cke_cfg { + pins = "p6_11"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + + emc_sdram_clock_cfg { + pins = "clk0", "clk1", "clk2", "clk3"; + function = "emc"; + slew-rate = <1>; + bias-disable; + input-enable; + input-schmitt-disable; + }; + }; + enet_mii_pins: enet-mii-pins { enet_mii_rxd0_3_cfg { pins = "p1_15", "p0_0", "p9_3", "p9_2"; @@ -103,6 +203,70 @@ }; }; +&emc { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&emc_pins>; + + cs0 { + #address-cells = <2>; + #size-cells = <1>; + ranges; + + mpmc,cs = <0>; + mpmc,memory-width = <16>; + mpmc,byte-lane-low; + mpmc,write-enable-delay = <0>; + mpmc,output-enable-delay = <0>; + mpmc,read-access-delay = <70>; + mpmc,page-mode-read-delay = <70>; + + flash@0,0 { + compatible = "sst,sst39vf320", "cfi-flash"; + reg = <0 0 0x400000>; + bank-width = <2>; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bootloader"; + reg = <0x000000 0x040000>; /* 256 KiB */ + }; + + partition@1 { + label = "kernel"; + reg = <0x040000 0x2C0000>; /* 2.75 MiB */ + }; + + partition@2 { + label = "rootfs"; + reg = <0x300000 0x100000>; /* 1 MiB */ + }; + }; + }; + + cs2 { + #address-cells = <2>; + #size-cells = <1>; + ranges; + + mpmc,cs = <2>; + mpmc,memory-width = <16>; + mpmc,byte-lane-low; + mpmc,write-enable-delay = <0>; + mpmc,output-enable-delay = <30>; + mpmc,read-access-delay = <90>; + mpmc,page-mode-read-delay = <55>; + mpmc,write-access-delay = <55>; + mpmc,turn-round-delay = <55>; + + ext_sram: sram@2,0 { + compatible = "mmio-sram"; + reg = <2 0 0x80000>; /* 512 KiB SRAM on IS62WV25616 */ + }; + }; +}; + &enet_tx_clk { clock-frequency = <25000000>; }; |