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path: root/drivers/soc/imx/gpc.c
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Diffstat (limited to 'drivers/soc/imx/gpc.c')
-rw-r--r--drivers/soc/imx/gpc.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
index 47e7aa963dbb..750f93197411 100644
--- a/drivers/soc/imx/gpc.c
+++ b/drivers/soc/imx/gpc.c
@@ -273,7 +273,15 @@ static struct imx_pm_domain imx_gpc_domains[] = {
},
.reg_offs = 0x240,
.cntr_pdn_bit = 4,
- }
+ }, {
+ .base = {
+ .name = "PCI",
+ .power_off = imx6_pm_domain_power_off,
+ .power_on = imx6_pm_domain_power_on,
+ },
+ .reg_offs = 0x200,
+ .cntr_pdn_bit = 6,
+ },
};
struct imx_gpc_dt_data {
@@ -296,10 +304,16 @@ static const struct imx_gpc_dt_data imx6sl_dt_data = {
.err009619_present = false,
};
+static const struct imx_gpc_dt_data imx6sx_dt_data = {
+ .num_domains = 4,
+ .err009619_present = false,
+};
+
static const struct of_device_id imx_gpc_dt_ids[] = {
{ .compatible = "fsl,imx6q-gpc", .data = &imx6q_dt_data },
{ .compatible = "fsl,imx6qp-gpc", .data = &imx6qp_dt_data },
{ .compatible = "fsl,imx6sl-gpc", .data = &imx6sl_dt_data },
+ { .compatible = "fsl,imx6sx-gpc", .data = &imx6sx_dt_data },
{ }
};
@@ -334,7 +348,7 @@ static int imx_gpc_old_dt_init(struct device *dev, struct regmap *regmap,
if (i == 1) {
domain->supply = devm_regulator_get(dev, "pu");
if (IS_ERR(domain->supply))
- return PTR_ERR(domain->supply);;
+ return PTR_ERR(domain->supply);
ret = imx_pgc_get_clocks(dev, domain);
if (ret)
@@ -456,13 +470,21 @@ static int imx_gpc_probe(struct platform_device *pdev)
static int imx_gpc_remove(struct platform_device *pdev)
{
+ struct device_node *pgc_node;
int ret;
+ pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
+
+ /* bail out if DT too old and doesn't provide the necessary info */
+ if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") &&
+ !pgc_node)
+ return 0;
+
/*
* If the old DT binding is used the toplevel driver needs to
* de-register the power domains
*/
- if (!of_get_child_by_name(pdev->dev.of_node, "pgc")) {
+ if (!pgc_node) {
of_genpd_del_provider(pdev->dev.of_node);
ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_PU].base);
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