motor-control-sdk/source/.meta/position_sense/bissc_pins.js
Dhaval Khandla 2c4dd5bfc0 am243x: bissc: Add examples, driver and firmwares
- Add support for single channel
- Add support for multi channel using single PRU
- Add support for multi channel using multiple PRUs with load share mode

Fixes: PINDSW-5468, PINDSW-5479, PINDSW-5488, PINDSW-5494, PINDSW-5495

Signed-off-by: Dhaval Khandla <dhavaljk@ti.com>
2023-12-04 15:54:58 +05:30

83 lines
2.4 KiB
JavaScript

let common = system.getScript("/common");
let pinmux = system.getScript("/drivers/pinmux/pinmux");
function getInterfaceName(inst)
{
return `PRU_${inst.instance}_PRU`;
}
function getInterfacePinList(inst)
{
let pinList = [];
/* BISSC_CHANNEL0_TX_ENABLE - is configured as soc gpio and kept low forever */
/*pinList.push({ pinName: "GPO2", displayName: "BISSC_CHANNEL0_TX_ENABLE", rx: false});*/
pinList.push({ pinName: "GPO1", displayName: "BISSC_CHANNEL0_TX", rx: false});
pinList.push({ pinName: "GPO0", displayName: "BISSC_CHANNEL0_CLK", rx: false});
pinList.push({ pinName: "GPI13", displayName: "BISSC_CHANNEL0_RX", rx: true});
/* BISSC_CHANNEL1_TX_ENABLE - is configured as soc gpio and kept low forever */
/*pinList.push({ pinName: "GPO5", displayName: "BISSC_CHANNEL1_TX_ENABLE", rx: false});*/
pinList.push({ pinName: "GPO4", displayName: "BISSC_CHANNEL1_TX", rx: false});
pinList.push({ pinName: "GPO3", displayName: "BISSC_CHANNEL1_CLK", rx: false});
pinList.push({ pinName: "GPI14", displayName: "BISSC_CHANNEL1_RX", rx: true});
/* BISSC_CHANNEL2_TX_ENABLE - is configured as soc gpio and kept low forever */
/*pinList.push({ pinName: "GPO8", displayName: "BISSC_CHANNEL2_TX_ENABLE", rx: false});*/
pinList.push({ pinName: "GPO12", displayName: "BISSC_CHANNEL2_TX", rx: false});
pinList.push({ pinName: "GPO6", displayName: "BISSC_CHANNEL2_CLK", rx: false});
pinList.push({ pinName: "GPI11", displayName: "BISSC_CHANNEL2_RX", rx: true});
return pinList;
}
function pinmuxRequirements(inst) {
let interfaceName = getInterfaceName(inst);
let pinList = getInterfacePinList(inst);
let resources = [];
for(let pin of pinList)
{
let pinResource = pinmux.getPinRequirements(interfaceName, pin.pinName, pin.displayName);
pinmux.setConfigurableDefault( pinResource, "rx", pin.rx );
resources.push( pinResource );
}
let peripheralRequirements = {
name: interfaceName,
displayName: interfaceName,
interfaceName: interfaceName,
resources: resources,
};
return [peripheralRequirements];
}
function getPeripheralPinNames(inst)
{
let pinList = [];
let pinNameList = [];
pinList = getInterfacePinList(inst);
for(let pin of pinList)
{
pinNameList.push( pin.pinName );
}
return pinNameList;
}
exports = {
pinmuxRequirements,
getInterfaceName,
getPeripheralPinNames,
};