From cfabb7921ccbede2968e5049d433ba3d0e0950af Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Fri, 15 Dec 2017 00:24:57 -0200 Subject: [PATCH] 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: Fabio Estevam Acked-by: Lucas Stach Signed-off-by: Shawn Guo --- .../devicetree/bindings/power/fsl,imx-gpc.txt | 3 +++ drivers/soc/imx/gpc.c | 16 +++++++++++++++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt b/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt index e371b262d709..b31d6bbeee16 100644 --- a/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt +++ b/Documentation/devicetree/bindings/power/fsl,imx-gpc.txt @@ -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 diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c index 47e7aa963dbb..53f7275d6cbd 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 }, { } };