linux-kernel - [PATCH v2 3/6] mips: bmips: dts: add BCM6328 power domain support

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Message-Id: <20200610163301.461160-4-noltari@gmail.com>
Date:   Wed, 10 Jun 2020 18:32:58 +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 3/6] mips: bmips: dts: add BCM6328 power domain support

BCM6328 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/bcm6328.dtsi |  6 ++++++
 include/dt-bindings/soc/bcm6328-pm.h | 17 +++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 include/dt-bindings/soc/bcm6328-pm.h

diff --git a/arch/mips/boot/dts/brcm/bcm6328.dtsi b/arch/mips/boot/dts/brcm/bcm6328.dtsi
index af860d06def6..1f9edd710392 100644
--- a/arch/mips/boot/dts/brcm/bcm6328.dtsi
+++ b/arch/mips/boot/dts/brcm/bcm6328.dtsi
@@ -110,6 +110,12 @@ leds0: led-controller@...00800 {
 			status = "disabled";
 		};
 
+		periph_pwr: power-controller@...01848 {
+			compatible = "brcm,bcm6328-power-controller";
+			reg = <0x10001848 0x4>;
+			#power-domain-cells = <1>;
+		};
+
 		ehci: usb@...02500 {
 			compatible = "brcm,bcm6328-ehci", "generic-ehci";
 			reg = <0x10002500 0x100>;
diff --git a/include/dt-bindings/soc/bcm6328-pm.h b/include/dt-bindings/soc/bcm6328-pm.h
new file mode 100644
index 000000000000..557e1a69b7f7
--- /dev/null
+++ b/include/dt-bindings/soc/bcm6328-pm.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __DT_BINDINGS_BMIPS_BCM6328_PM_H
+#define __DT_BINDINGS_BMIPS_BCM6328_PM_H
+
+#define BCM6328_POWER_DOMAIN_ADSL2_MIPS	0
+#define BCM6328_POWER_DOMAIN_ADSL2_PHY	1
+#define BCM6328_POWER_DOMAIN_ADSL2_AFE	2
+#define BCM6328_POWER_DOMAIN_SAR	3
+#define BCM6328_POWER_DOMAIN_PCM	4
+#define BCM6328_POWER_DOMAIN_USBD	5
+#define BCM6328_POWER_DOMAIN_USBH	6
+#define BCM6328_POWER_DOMAIN_PCIE	7
+#define BCM6328_POWER_DOMAIN_ROBOSW	8
+#define BCM6328_POWER_DOMAIN_EPHY	9
+
+#endif /* __DT_BINDINGS_BMIPS_BCM6328_PM_H */
-- 
2.26.2