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drivers: misc: k3_avs: Extract MPU clk and dev ID from DT

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Different devices have different MPU clk and dev ID. Currently it had
been hardcoded. Move it to DT based extraction.

Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
Reviewed-by: Aniket Limaye <a-limaye@ti.com>
This commit is contained in:
Manorit Chawdhry 2024-10-15 16:22:20 +05:30 • committed by Tom Rini
parent 8659144ae5
commit 96ef1f227d
1 changed files with 35 additions and 0 deletions
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35
drivers/misc/k3_avs.c
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@ -352,6 +352,9 @@ static int k3_avs_probe(struct udevice *dev)
struct k3_avs_privdata *priv;
struct vd_data *vd;
int ret;
ofnode node;
struct ofnode_phandle_args phandle_args;
int i = 0;
priv = dev_get_priv(dev);
priv->dev = dev;
@ -367,6 +370,32 @@ static int k3_avs_probe(struct udevice *dev)
return -ENODEV;
for (vd = priv->vd_config->vds; vd->id >= 0; vd++) {
/* Get the clock and dev id for Jacinto platforms */
if (vd->id == J721E_VDD_MPU) {
node = ofnode_by_compatible(ofnode_null(), "ti,am654-rproc");
if (!ofnode_valid(node))
return -ENODEV;
i = ofnode_stringlist_search(node, "clock-names", "core");
if (i < 0)
return -ENODEV;
ret = ofnode_parse_phandle_with_args(node, "clocks",
"#clock-cells",
0, i,
&phandle_args);
if (ret) {
printf("Couldn't get the clock node, ret = %d\n", ret);
return ret;
}
vd->dev_id = phandle_args.args[0];
vd->clk_id = phandle_args.args[1];
debug("%s: MPU dev_id: %d, clk_id: %d", __func__,
vd->dev_id, vd->clk_id);
}
if (!(readl(AM6_VTM_DEVINFO(vd->id)) &
AM6_VTM_AVS0_SUPPORTED)) {
dev_warn(dev, "AVS-class 0 not supported for VD%d\n",
@ -463,6 +492,12 @@ static struct vd_data j721e_vd_data[] = {
{
.id = J721E_VDD_MPU,
.opp = AM6_OPP_NOM,
/*
* XXX: DEPRECATION WARNING: Around 2 u-boot versions
*
* These values will be picked up from DT, kept for backward
* compatibility
*/
.dev_id = 202, /* J721E_DEV_A72SS0_CORE0 */
.clk_id = 2, /* ARM clock */
.opps = {