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Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl_spear.txt | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl_spear.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl_spear.txt new file mode 100644 index 000000000000..3664d37e6799 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl_spear.txt @@ -0,0 +1,108 @@ +ST Microelectronics, SPEAr pinmux controller + +Required properties: +- compatible : "st,spear300-pinmux" + : "st,spear310-pinmux" + : "st,spear320-pinmux" +- reg : Address range of the pinctrl registers +- st,pinmux-mode: Mandatory for SPEAr300 and SPEAr320 and invalid for others. + - Its values for SPEAr300: + - NAND_MODE : <0> + - NOR_MODE : <1> + - PHOTO_FRAME_MODE : <2> + - LEND_IP_PHONE_MODE : <3> + - HEND_IP_PHONE_MODE : <4> + - LEND_WIFI_PHONE_MODE : <5> + - HEND_WIFI_PHONE_MODE : <6> + - ATA_PABX_WI2S_MODE : <7> + - ATA_PABX_I2S_MODE : <8> + - CAML_LCDW_MODE : <9> + - CAMU_LCD_MODE : <10> + - CAMU_WLCD_MODE : <11> + - CAML_LCD_MODE : <12> + - Its values for SPEAr320: + - AUTO_NET_SMII_MODE : <0> + - AUTO_NET_MII_MODE : <1> + - AUTO_EXP_MODE : <2> + - SMALL_PRINTERS_MODE : <3> + - EXTENDED_MODE : <4> + +Please refer to pinctrl-bindings.txt in this directory for details of the common +pinctrl bindings used by client devices. + +SPEAr's pinmux nodes act as a container for an abitrary number of subnodes. Each +of these subnodes represents muxing for a pin, a group, or a list of pins or +groups. + +The name of each subnode is not important; all subnodes should be enumerated +and processed purely based on their content. + +Required subnode-properties: +- st,pins : An array of strings. Each string contains the name of a pin or + group. +- st,function: A string containing the name of the function to mux to the pin or + group. See the SPEAr's TRM to determine which are valid for each pin or group. + + Valid values for group and function names can be found from looking at the + group and function arrays in driver files: + drivers/pinctrl/spear/pinctrl-spear3*0.c + +Valid values for group names are: +For All SPEAr3xx machines: + "firda_grp", "i2c0_grp", "ssp_cs_grp", "ssp0_grp", "mii0_grp", + "gpio0_pin0_grp", "gpio0_pin1_grp", "gpio0_pin2_grp", "gpio0_pin3_grp", + "gpio0_pin4_grp", "gpio0_pin5_grp", "uart0_ext_grp", "uart0_grp", + "timer_0_1_grp", timer_0_1_pins, "timer_2_3_grp" + +For SPEAr300 machines: + "fsmc_2chips_grp", "fsmc_4chips_grp", "clcd_lcdmode_grp", + "clcd_pfmode_grp", "tdm_grp", "i2c_clk_grp_grp", "caml_grp", "camu_grp", + "dac_grp", "i2s_grp", "sdhci_4bit_grp", "sdhci_8bit_grp", + "gpio1_0_to_3_grp", "gpio1_4_to_7_grp" + +For SPEAr310 machines: + "emi_cs_0_to_5_grp", "uart1_grp", "uart2_grp", "uart3_grp", "uart4_grp", + "uart5_grp", "fsmc_grp", "rs485_0_grp", "rs485_1_grp", "tdm_grp" + +For SPEAr320 machines: + "clcd_grp", "emi_grp", "fsmc_8bit_grp", "fsmc_16bit_grp", "spp_grp", + "sdhci_led_grp", "sdhci_cd_12_grp", "sdhci_cd_51_grp", "i2s_grp", + "uart1_grp", "uart1_modem_2_to_7_grp", "uart1_modem_31_to_36_grp", + "uart1_modem_34_to_45_grp", "uart1_modem_80_to_85_grp", "uart2_grp", + "uart3_8_9_grp", "uart3_15_16_grp", "uart3_41_42_grp", + "uart3_52_53_grp", "uart3_73_74_grp", "uart3_94_95_grp", + "uart3_98_99_grp", "uart4_6_7_grp", "uart4_13_14_grp", + "uart4_39_40_grp", "uart4_71_72_grp", "uart4_92_93_grp", + "uart4_100_101_grp", "uart5_4_5_grp", "uart5_37_38_grp", + "uart5_69_70_grp", "uart5_90_91_grp", "uart6_2_3_grp", + "uart6_88_89_grp", "rs485_grp", "touchscreen_grp", "can0_grp", + "can1_grp", "pwm0_1_pin_8_9_grp", "pwm0_1_pin_14_15_grp", + "pwm0_1_pin_30_31_grp", "pwm0_1_pin_37_38_grp", "pwm0_1_pin_42_43_grp", + "pwm0_1_pin_59_60_grp", "pwm0_1_pin_88_89_grp", "pwm2_pin_7_grp", + "pwm2_pin_13_grp", "pwm2_pin_29_grp", "pwm2_pin_34_grp", + "pwm2_pin_41_grp", "pwm2_pin_58_grp", "pwm2_pin_87_grp", + "pwm3_pin_6_grp", "pwm3_pin_12_grp", "pwm3_pin_28_grp", + "pwm3_pin_40_grp", "pwm3_pin_57_grp", "pwm3_pin_86_grp", + "ssp1_17_20_grp", "ssp1_36_39_grp", "ssp1_48_51_grp", "ssp1_65_68_grp", + "ssp1_94_97_grp", "ssp2_13_16_grp", "ssp2_32_35_grp", "ssp2_44_47_grp", + "ssp2_61_64_grp", "ssp2_90_93_grp", "mii2_grp", "smii0_1_grp", + "rmii0_1_grp", "i2c1_8_9_grp", "i2c1_98_99_grp", "i2c2_0_1_grp", + "i2c2_2_3_grp", "i2c2_19_20_grp", "i2c2_75_76_grp", "i2c2_96_97_grp" + +Valid values for function names are: +For All SPEAr3xx machines: + "firda", "i2c0", "ssp_cs", "ssp0", "mii0", "gpio0", "uart0_ext", + "uart0", "timer_0_1", "timer_2_3" + +For SPEAr300 machines: + "fsmc", "clcd", "tdm", "i2c1", "cam", "dac", "i2s", "sdhci", "gpio1" + +For SPEAr310 machines: + "emi", "uart1", "uart2", "uart3", "uart4", "uart5", "fsmc", "rs485_0", + "rs485_1", "tdm" + +For SPEAr320 machines: + "clcd", "emi", "fsmc", "spp", "sdhci", "i2s", "uart1", "uart1_modem", + "uart2", "uart3", "uart4", "uart5", "uart6", "rs485", "touchscreen", + "can0", "can1", "pwm0_1", "pwm2", "pwm3", "ssp1", "ssp2", "mii2", + "mii0_1", "i2c1", "i2c2" |