[PATCH v2 4/6] bus: ti-sysc: Add support for using ti-sysc for MCAN on dra76x
From: tony@atomide.com (Tony Lindgren)
Date: 2018-05-30 14:57:32
Also in:
linux-clk, linux-devicetree, linux-omap, lkml
* Faiz Abbas [off-list ref] [180530 14:12]:
The dra76x MCAN generic interconnect module has a its own format for the bits in the control registers.
...
quoted hunk ↗ jump to hunk
--- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c@@ -1262,6 +1262,22 @@ static const struct sysc_capabilities sysc_omap4_usb_host_fs = { .regbits = &sysc_regbits_omap4_usb_host_fs, }; +static const struct sysc_regbits sysc_regbits_dra7_mcan = { + .dmadisable_shift = -ENODEV, + .midle_shift = -ENODEV, + .sidle_shift = -ENODEV, + .clkact_shift = -ENODEV, + .enwkup_shift = 4, + .srst_shift = 0, + .emufree_shift = -ENODEV, + .autoidle_shift = -ENODEV, +}; + +static const struct sysc_capabilities sysc_dra7_mcan = { + .type = TI_SYSC_DRA7_MCAN, + .regbits = &sysc_regbits_dra7_mcan, +}; + static int sysc_init_pdata(struct sysc *ddata) { struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev);@@ -1441,6 +1457,7 @@ static const struct of_device_id sysc_match[] = { { .compatible = "ti,sysc-mcasp", .data = &sysc_omap4_mcasp, }, { .compatible = "ti,sysc-usb-host-fs", .data = &sysc_omap4_usb_host_fs, }, + { .compatible = "ti,sysc-dra7-mcan", .data = &sysc_dra7_mcan, }, { }, };
Looks good to me. And presumably you checked that no other dra7 modules use sysconfig register bit layout like this? Regards, Tony