linux-kernel - [PATCH 09/17] mfd: prcmu: add db9540 support

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Date:	Wed, 5 Sep 2012 11:59:05 +0200
From:	Loic Pallardy <loic.pallardy-ext@...ricsson.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Linus Walleij <linus.walleij@...aro.com>
Cc:	Lee Jones <lee.jones@...aro.org>,
	Loic Pallardy <loic.pallardy@...il.com>,
	LT ST-Ericsson <st-ericsson@...ts.linaro.org>,
	STEricsson_nomadik_linux <STEricsson_nomadik_linux@...t.st.com>,
	Loic Pallardy <loic.pallardy-ext@...ricsson.com>,
	Loic Pallardy <loic.pallardy@...ricsson.com>
Subject: [PATCH 09/17] mfd: prcmu: add db9540 support

Light modifications to add db9540 support
and ab9540 detection.

Signed-off-by: Loic Pallardy <loic.pallardy@...ricsson.com>
Acked-by: Linus Walleij <linus.walleij@...aro.org>
---
 drivers/mfd/db8500-prcmu.c | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 3df427f..eb327f3 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -2994,6 +2994,23 @@ static struct mfd_cell db8500_prcmu_devs[] = {
 	},
 };
 
+static struct mfd_cell db9540_prcmu_devs[] = {
+	{
+		.name = "db8500-prcmu-regulators",
+		.of_compatible = "stericsson,db8500-prcmu-regulator",
+		.platform_data = &db8500_regulators,
+		.pdata_size = sizeof(db8500_regulators),
+	},
+	{
+		.name = "ab9540-i2c",
+		.of_compatible = "stericsson,ab8500",
+		.num_resources = ARRAY_SIZE(ab8500_resources),
+		.resources = ab8500_resources,
+		.id = AB8500_VERSION_AB9540,
+	},
+};
+
+
 /**
  * prcmu_fw_init - arch init call for the Linux PRCMU fw init logic
  *
@@ -3035,11 +3052,16 @@ static int __devinit db8500_prcmu_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (cpu_is_u8500v20_or_later())
+	if (cpu_is_u8500v20_or_later() && !cpu_is_u9540())
 		prcmu_config_esram0_deep_sleep(ESRAM0_DEEP_SLEEP_STATE_RET);
 
-	err = mfd_add_devices(&pdev->dev, 0, db8500_prcmu_devs,
+	if (cpu_is_u9540())
+			err = mfd_add_devices(&pdev->dev, 0, db9540_prcmu_devs,
+			ARRAY_SIZE(db9540_prcmu_devs), NULL, 0);
+	else
+		err = mfd_add_devices(&pdev->dev, 0, db8500_prcmu_devs,
 			ARRAY_SIZE(db8500_prcmu_devs), NULL, 0);
+
 	if (err) {
 		pr_err("prcmu: Failed to add subdevices\n");
 		return err;
-- 
1.7.11.1

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