diff options
| author | M Jordan Stanway <m.j.stanway@alum.mit.edu> | 2020-12-17 13:56:03 -0800 |
|---|---|---|
| committer | Robert Nelson <robertcnelson@gmail.com> | 2020-12-21 10:26:21 -0600 |
| commit | bd65ad149df5c8ba94bafa07ccaa90ec60b0a92e (patch) | |
| tree | 6447b220d91cce1d9b71ea7cf76788c6f2a80533 | |
| parent | a33ec6b255ff5e4883984c36de7155e38137c2a1 (diff) | |
enable second LTC2947 on SPI1 CS=P9.42
| -rw-r--r-- | src/arm/BB-SPI1-LTC2947-00A0.dts | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/arm/BB-SPI1-LTC2947-00A0.dts b/src/arm/BB-SPI1-LTC2947-00A0.dts index 717a37a..070703a 100644 --- a/src/arm/BB-SPI1-LTC2947-00A0.dts +++ b/src/arm/BB-SPI1-LTC2947-00A0.dts @@ -28,6 +28,7 @@ "P9.29", /* spi1_d0 */ "P9.30", /* spi1_d1 */ "P9.28", /* spi1_cs0 */ + "P9.42", /* spi1_cs1 */ /* the hardware ip uses */ "spi1"; @@ -53,6 +54,7 @@ target = <&ocp>; __overlay__ { P9_28_pinmux { status = "disabled"; }; /* spi1_cs0 */ + P9_42_pinmux { status = "disabled"; }; /* spi1_cs1 */ P9_30_pinmux { status = "disabled"; }; /* spi1_d1 */ P9_29_pinmux { status = "disabled"; }; /* spi1_d0 */ P9_31_pinmux { status = "disabled"; }; /* spi1_sclk */ @@ -69,6 +71,7 @@ 0x194 0x33 /* mcasp0_fsx.spi1_d0, INPUT_PULLUP | MODE3 */ 0x198 0x13 /* mcasp0_axr0.spi1_d1, OUTPUT_PULLUP | MODE3 */ 0x19c 0x13 /* mcasp0_ahclkr.spi1_cs0, OUTPUT_PULLUP | MODE3 */ + 0x164 0x12 /* eCAP0_in_PWM0_out.spi1_cs1 OUTPUT_PULLUP | MODE2 */ >; }; }; @@ -85,7 +88,7 @@ pinctrl-0 = <&bb_spi1_pins>; ti,pio-mode; /* disable dma when used as an overlay, dma gets stuck at 160 bits... */ - ltc2947_spi: ltc2947@0 { + ltc2947_spi1_0: ltc2947@0 { #address-cells = <1>; #size-cells = <0>; @@ -94,6 +97,15 @@ reg = <0>; spi-max-frequency = <1000000>; }; + ltc2947_spi1_1: ltc2947@1 { + #address-cells = <1>; + #size-cells = <0>; + + compatible = "adi,ltc2947"; + + reg = <1>; + spi-max-frequency = <1000000>; + }; }; }; }; |