Add power domain nodes to DT.
Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: Fabio Estevam <feste...@gmail.com>
Cc: Peng Fan <peng....@nxp.com>
Cc: Stefano Babic <sba...@denx.de>
Cc: Ye Li <ye...@nxp.com>
Cc: uboot-imx <uboot-...@nxp.com>
---
V2: New patch
---
arch/arm/dts/imx8mn.dtsi | 51 ++++++++++++++++++++++++
include/dt-bindings/power/imx8mn-power.h | 15 +++++++
2 files changed, 66 insertions(+)
create mode 100644 include/dt-bindings/power/imx8mn-power.h
diff --git a/arch/arm/dts/imx8mn.dtsi b/arch/arm/dts/imx8mn.dtsi
index 63005ce9d1..edcb415b53 100644
--- a/arch/arm/dts/imx8mn.dtsi
+++ b/arch/arm/dts/imx8mn.dtsi
@@ -4,6 +4,8 @@
*/
#include <dt-bindings/clock/imx8mn-clock.h>
+#include <dt-bindings/power/imx8mn-power.h>
+#include <dt-bindings/reset/imx8mq-reset.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -612,6 +614,54 @@
interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
#reset-cells = <1>;
};
+
+ gpc: gpc@303a0000 {
+ compatible = "fsl,imx8mn-gpc";
+ reg = <0x303a0000 0x10000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+
+ pgc {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pgc_hsiomix: power-domain@0 {
+ #power-domain-cells = <0>;
+ reg =
<IMX8MN_POWER_DOMAIN_HSIOMIX>;
+ clocks = <&clk
IMX8MN_CLK_USB_BUS>;
+ };
+
+ pgc_otg1: power-domain@1 {
+ #power-domain-cells = <0>;
+ reg =
<IMX8MN_POWER_DOMAIN_OTG1>;
+ power-domains = <&pgc_hsiomix>;
+ };
+
+ pgc_gpumix: power-domain@2 {
+ #power-domain-cells = <0>;
+ reg =
<IMX8MN_POWER_DOMAIN_GPUMIX>;
+ clocks = <&clk
IMX8MN_CLK_GPU_CORE_ROOT>,
+ <&clk
IMX8MN_CLK_GPU_SHADER_DIV>,
+ <&clk
IMX8MN_CLK_GPU_BUS_ROOT>,
+ <&clk
IMX8MN_CLK_GPU_AHB>;
+ resets = <&src
IMX8MQ_RESET_GPU_RESET>;
+ };
+
+ dispmix_pd: power-domain@3 {
+ #power-domain-cells = <0>;
+ reg =
<IMX8MN_POWER_DOMAIN_DISPMIX>;
+ clocks = <&clk
IMX8MN_CLK_DISP_PIXEL_ROOT>,
+ <&clk
IMX8MN_CLK_DISP_AXI_ROOT>,
+ <&clk
IMX8MN_CLK_DISP_APB_ROOT>;
+ };
+
+ mipi_pd: power-domain@4 {
+ #power-domain-cells = <0>;
+ reg =
<IMX8MN_POWER_DOMAIN_MIPI>;
+ power-domains = <&dispmix_pd>;
+ };
+ };
+ };
};
aips2: bus@30400000 {
@@ -964,6 +1014,7 @@
assigned-clock-parents = <&clk
IMX8MN_SYS_PLL2_500M>;
phys = <&usbphynop1>;
fsl,usbmisc = <&usbmisc1 0>;
+ power-domains = <&pgc_otg1>;
status = "disabled";
};
diff --git a/include/dt-bindings/power/imx8mn-power.h
b/include/dt-bindings/power/imx8mn-power.h
new file mode 100644
index 0000000000..102ee85a9b
--- /dev/null
+++ b/include/dt-bindings/power/imx8mn-power.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ * Copyright (C) 2020 Compass Electronics Group, LLC
+ */
+
+#ifndef __DT_BINDINGS_IMX8MN_POWER_H__
+#define __DT_BINDINGS_IMX8MN_POWER_H__
+
+#define IMX8MN_POWER_DOMAIN_HSIOMIX 0
+#define IMX8MN_POWER_DOMAIN_OTG1 1
+#define IMX8MN_POWER_DOMAIN_GPUMIX 2
+#define IMX8MN_POWER_DOMAIN_DISPMIX 3
+#define IMX8MN_POWER_DOMAIN_MIPI 4
+
+#endif
--
2.30.2
