Commit cfabb792 authored by Fabio Estevam's avatar Fabio Estevam Committed by Shawn Guo
Browse files

soc: imx: gpc: Add i.MX6SX PCI power domain 



i.MX6SX has a PCI power domain in PGC. Add support for it.

Signed-off-by: default avatarFabio Estevam <fabio.estevam@nxp.com>
Acked-by: default avatarLucas Stach <l.stach@pengutronix.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 50c4c4e2

Documentation/devicetree/bindings/power/fsl,imx-gpc.txt

+3 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ Required properties: 
  - fsl,imx6q-gpc

  - fsl,imx6qp-gpc

  - fsl,imx6sl-gpc

  - fsl,imx6sx-gpc

- reg: should be register base and length as documented in the

  datasheet

- interrupts: Should contain one interrupt specifier for the GPC interrupt
@@ -29,6 +30,8 @@ Required properties: 
  PU_DOMAIN      1

  The following additional DOMAIN_INDEX value is valid for i.MX6SL:

  DISPLAY_DOMAIN 2

  The following additional DOMAIN_INDEX value is valid for i.MX6SX:

  PCI_DOMAIN     3



- #power-domain-cells: Should be 0

drivers/soc/imx/gpc.c

+15 −1
Original line number Diff line number Diff line
@@ -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 },

	{ }

};