linux-kernel - [PATCH v2 4/6] mips: bmips: dts: add BCM6362 power domain support

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Date:   Wed, 10 Jun 2020 18:32:59 +0200
From:   Álvaro Fernández Rojas 
        <noltari@...il.com>
To:     hauke@...ke-m.de, zajec5@...il.com, tsbogend@...ha.franken.de,
        robh+dt@...nel.org, f.fainelli@...il.com, jonas.gorski@...il.com,
        bcm-kernel-feedback-list@...adcom.com, linux-mips@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Álvaro Fernández Rojas 
        <noltari@...il.com>
Subject: [PATCH v2 4/6] mips: bmips: dts: add BCM6362 power domain support

BCM6362 SoCs have a power domain controller to enable/disable certain
components in order to save power.

Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
Acked-by: Florian Fainelli <f.fainelli@...il.com>
---
 v2: Add dt-bindings header files.

 arch/mips/boot/dts/brcm/bcm6362.dtsi |  6 ++++++
 include/dt-bindings/soc/bcm6362-pm.h | 21 +++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 include/dt-bindings/soc/bcm6362-pm.h

diff --git a/arch/mips/boot/dts/brcm/bcm6362.dtsi b/arch/mips/boot/dts/brcm/bcm6362.dtsi
index 8ae6981735b8..c98f9111e3c8 100644
--- a/arch/mips/boot/dts/brcm/bcm6362.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6362.dtsi
@@ -108,6 +108,12 @@ uart1: serial@...00120 {
 			status = "disabled";
 		};
 
+		periph_pwr: power-controller@...01848 {
+			compatible = "brcm,bcm6362-power-controller";
+			reg = <0x10001848 0x4>;
+			#power-domain-cells = <1>;
+		};
+
 		leds0: led-controller@...01900 {
 			#address-cells = <1>;
 			#size-cells = <0>;
diff --git a/include/dt-bindings/soc/bcm6362-pm.h b/include/dt-bindings/soc/bcm6362-pm.h
new file mode 100644
index 000000000000..d087ba63c7a1
--- /dev/null
+++ b/include/dt-bindings/soc/bcm6362-pm.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __DT_BINDINGS_BMIPS_BCM6362_PM_H
+#define __DT_BINDINGS_BMIPS_BCM6362_PM_H
+
+#define BCM6362_POWER_DOMAIN_SAR	0
+#define BCM6362_POWER_DOMAIN_IPSEC	1
+#define BCM6362_POWER_DOMAIN_MIPS	2
+#define BCM6362_POWER_DOMAIN_DECT	3
+#define BCM6362_POWER_DOMAIN_USBH	4
+#define BCM6362_POWER_DOMAIN_USBD	5
+#define BCM6362_POWER_DOMAIN_ROBOSW	6
+#define BCM6362_POWER_DOMAIN_PCM	7
+#define BCM6362_POWER_DOMAIN_PERIPH	8
+#define BCM6362_POWER_DOMAIN_ADSL_PHY	9
+#define BCM6362_POWER_DOMAIN_GMII_PADS	10
+#define BCM6362_POWER_DOMAIN_FAP	11
+#define BCM6362_POWER_DOMAIN_PCIE	12
+#define BCM6362_POWER_DOMAIN_WLAN_PADS	13
+
+#endif /* __DT_BINDINGS_BMIPS_BCM6362_PM_H */
-- 
2.26.2