linux-kernel - [PATCH V3 3/3] phy: phy-brcm-usb: support PHY on the BCM4908

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Message-Id: <20210106132225.21215-3-zajec5@gmail.com>
Date:   Wed,  6 Jan 2021 14:22:25 +0100
From:   Rafał Miłecki <zajec5@...il.com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Al Cooper <alcooperx@...il.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: [PATCH V3 3/3] phy: phy-brcm-usb: support PHY on the BCM4908

From: Rafał Miłecki <rafal@...ecki.pl>

BCM4908 seems to have slightly different registers but works when
programmed just like the STB one.

Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
---
V2: Update Kconfig as well
---
 drivers/phy/broadcom/Kconfig        | 3 ++-
 drivers/phy/broadcom/phy-brcm-usb.c | 4 ++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/broadcom/Kconfig b/drivers/phy/broadcom/Kconfig
index a1f1a9c90d0d..09256339bd04 100644
--- a/drivers/phy/broadcom/Kconfig
+++ b/drivers/phy/broadcom/Kconfig
@@ -91,10 +91,11 @@ config PHY_BRCM_SATA
 
 config PHY_BRCM_USB
 	tristate "Broadcom STB USB PHY driver"
-	depends on ARCH_BRCMSTB || COMPILE_TEST
+	depends on ARCH_BCM4908 || ARCH_BRCMSTB || COMPILE_TEST
 	depends on OF
 	select GENERIC_PHY
 	select SOC_BRCMSTB
+	default ARCH_BCM4908
 	default ARCH_BRCMSTB
 	help
 	  Enable this to support the Broadcom STB USB PHY.
diff --git a/drivers/phy/broadcom/phy-brcm-usb.c b/drivers/phy/broadcom/phy-brcm-usb.c
index 99fbc7e4138b..63f922a5f29b 100644
--- a/drivers/phy/broadcom/phy-brcm-usb.c
+++ b/drivers/phy/broadcom/phy-brcm-usb.c
@@ -285,6 +285,10 @@ static const struct match_chip_info chip_info_7445 = {
 };
 
 static const struct of_device_id brcm_usb_dt_ids[] = {
+	{
+		.compatible = "brcm,bcm4908-usb-phy",
+		.data = &chip_info_7445,
+	},
 	{
 		.compatible = "brcm,bcm7216-usb-phy",
 		.data = &chip_info_7216,
-- 
2.26.2