Signed-off-by: Hongmei Gou <a0271...@ti.com> --- .../linux/files/ti33x/am335x-pru-adc.dtsi | 68 ++++++++++++++++++++++ recipes-kernel/linux/linux-processor-sdk-4.14.inc | 18 +++++- 2 files changed, 85 insertions(+), 1 deletion(-) create mode 100644 recipes-kernel/linux/files/ti33x/am335x-pru-adc.dtsi
diff --git a/recipes-kernel/linux/files/ti33x/am335x-pru-adc.dtsi b/recipes-kernel/linux/files/ti33x/am335x-pru-adc.dtsi new file mode 100644 index 0000000..b50c106 --- /dev/null +++ b/recipes-kernel/linux/files/ti33x/am335x-pru-adc.dtsi @@ -0,0 +1,68 @@ +&am33xx_pinmux { + pru_adc_bone_pins: pru_adc_bone_pins { + pinctrl-single,pins = < + 0x0a0 0x2e /* MISO_1, lcd_data0, MUX_MODE6 | INPUT, P8.45, PRU1[0] GPI/GPO */ + 0x0a4 0x2e /* MISO_2, lcd_data1, MUX_MODE6 | INPUT, P8.46, PRU1[1] GPI/GPO */ + 0x0a8 0x2e /* MISO_3, lcd_data2, MUX_MODE6 | INPUT, P8.43, PRU1[2] GPI/GPO */ + 0x0ac 0x2e /* MISO_4, lcd_data3, MUX_MODE6 | INPUT, P8.44, PRU1[3] GPI/GPO */ + 0x0b0 0x2e /* MISO_5, lcd_data4, MUX_MODE6 | INPUT, P8.41, PRU1[4] GPI/GPO */ + 0x0b4 0x2e /* MISO_6, lcd_data5, MUX_MODE6 | INPUT, P8.42, PRU1[5] GPI/GPO */ + 0x0b8 0x05 /* CS_12, lcd_data6, MUX_MODE5 | OUTPUT, P8.39, PRU1[6] GPI/GPO */ + 0x0bc 0x05 /* MOSI_1, lcd_data7, MUX_MODE5 | OUTPUT, P8.40, PRU1[7] GPI/GPO */ + 0x0e0 0x05 /* MOSI_2, lcd_vsync, MUX_MODE5 | OUTPUT, P8.27, PRU1[8] GPI/GPO */ + 0x0e4 0x05 /* MOSI_3, lcd_hsync, MUX_MODE5 | OUTPUT, P8.29, PRU1[9] GPI/GPO */ + 0x0e8 0x05 /* MOSI_4, lcd_pclk, MUX_MODE5 | OUTPUT, P8.28, PRU1[10] GPI/GPO */ + 0x0ec 0x05 /* MOSI_5, lcd_ac_bias_en, MUX_MODE5 | OUTPUT, P8.30, PRU1[11] GPI/GPO */ + 0x080 0x05 /* MOSI_6, gpmc_csn1, MUX_MODE5 | OUTPUT, P8.21, PRU1[12] GPI/GPO */ + 0x084 0x05 /* SCLK_OUT, gpmc_csn2, MUX_MODE5 | OUTPUT, P8.20, PRU1[13] GPI/GPO */ + 0x038 0x07 /* OE, GPIO1_14, MUX_MODE7 | OUTPUT, P8.16, GPIO1_14 GPIO */ + >; + }; +}; + +&pruss { + pinctrl-names = "default"; + pinctrl-0 = <&pru_adc_bone_pins>; +}; + +/* Reserve 256kB DDR memory for the ping/pong buffers */ +/{ + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + pruadc_reserved: pruadc_reserved@0x9ffc0000 { + reg = <0x9ffc0000 0x00040000>; + no-map; + status = "okay"; + }; + }; + + hdmi { + status = "disabled"; + }; +}; + +/* Disable the following nodes due to pin mux conflicts with PRU signals needed */ +&tda19988 { + status = "disabled"; +}; + +&lcdc { + status = "disabled"; +}; + +&mcasp0 { + status = "disabled"; +}; + +&mmc2 { + status = "disabled"; +}; + +/{ + sound { + status = "disabled"; + }; +}; diff --git a/recipes-kernel/linux/linux-processor-sdk-4.14.inc b/recipes-kernel/linux/linux-processor-sdk-4.14.inc index de8950b..2409eac 100644 --- a/recipes-kernel/linux/linux-processor-sdk-4.14.inc +++ b/recipes-kernel/linux/linux-processor-sdk-4.14.inc @@ -1,4 +1,4 @@ -PR_append = ".tisdk0" +PR_append = ".tisdk1" FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-4.14:${THISDIR}/files:" @@ -6,6 +6,8 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-4.14:${THISDIR}/files:" SRC_URI_append = " file://jailhouse.cfg" +SRC_URI_append_ti33x = " file://am335x-pru-adc.dtsi" + KERNEL_CONFIG_FRAGMENTS_append_am57xx-evm = " ${WORKDIR}/jailhouse.cfg" AM57XX_KERNEL_DEVICETREE = " \ @@ -20,6 +22,20 @@ AM57XX_KERNEL_DEVICETREE = " \ am574x-idk-pps.dtb \ " +do_setup_adc() { +: +} + +do_setup_adc_ti33x() { + dts="am335x-boneblack-pru-adc.dts" + dtsi="am335x-pru-adc.dtsi" + cp ${S}/arch/arm/boot/dts/am335x-boneblack.dts ${S}/arch/arm/boot/dts/$dts + cp ${WORKDIR}/${dtsi} ${S}/arch/arm/boot/dts/ + echo "#include \"${dtsi}\"" >> ${S}/arch/arm/boot/dts/$dts +} + +do_patch[postfuncs] += "do_setup_adc" + KERNEL_DEVICETREE_append_am57xx-evm = " ${AM57XX_KERNEL_DEVICETREE}" KERNEL_DEVICETREE_append_am57xx-hs-evm = " ${AM57XX_KERNEL_DEVICETREE}" -- 1.9.1 _______________________________________________ meta-arago mailing list meta-arago@arago-project.org http://arago-project.org/cgi-bin/mailman/listinfo/meta-arago