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From: Alistair Francis <alistair@alistair23.me>
To: kernel@pengutronix.de, robh+dt@kernel.org, lee.jones@linaro.org,
	lgirdwood@gmail.com, broonie@kernel.org
Cc: linux-arm-kernel@lists.infradead.org, alistair23@gmail.com,
	linux-hwmon@vger.kernel.org, andreas@kemnade.info,
	s.hauer@pengutronix.de, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org, rui.zhang@intel.com, linux-imx@nxp.com,
	devicetree@vger.kernel.org, amitk@kernel.org,
	shawnguo@kernel.org, Alistair Francis <alistair@alistair23.me>
Subject: [PATCH v16 3/8] mfd: simple-mfd-i2c: Enable support for the silergy,sy7636a
Date: Thu,  2 Dec 2021 22:07:53 +1000	[thread overview]
Message-ID: <20211202120758.41478-4-alistair@alistair23.me> (raw)
In-Reply-To: <20211202120758.41478-1-alistair@alistair23.me>

Signed-off-by: Alistair Francis <alistair@alistair23.me>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/simple-mfd-i2c.c | 11 +++++++++++
 include/linux/mfd/sy7636a.h  | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 include/linux/mfd/sy7636a.h

diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c
index 51536691ad9d..f4c8fc3ee463 100644
--- a/drivers/mfd/simple-mfd-i2c.c
+++ b/drivers/mfd/simple-mfd-i2c.c
@@ -62,8 +62,19 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c)
 	return ret;
 }
 
+static const struct mfd_cell sy7636a_cells[] = {
+	{ .name = "sy7636a-regulator", },
+	{ .name = "sy7636a-temperature", },
+};
+
+static const struct simple_mfd_data silergy_sy7636a = {
+	.mfd_cell = sy7636a_cells,
+	.mfd_cell_size = ARRAY_SIZE(sy7636a_cells),
+};
+
 static const struct of_device_id simple_mfd_i2c_of_match[] = {
 	{ .compatible = "kontron,sl28cpld" },
+	{ .compatible = "silergy,sy7636a", .data = &silergy_sy7636a},
 	{}
 };
 MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);
diff --git a/include/linux/mfd/sy7636a.h b/include/linux/mfd/sy7636a.h
new file mode 100644
index 000000000000..22f03b2f851e
--- /dev/null
+++ b/include/linux/mfd/sy7636a.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Functions to access SY3686A power management chip.
+ *
+ * Copyright (C) 2021 reMarkable AS - http://www.remarkable.com/
+ */
+
+#ifndef __MFD_SY7636A_H
+#define __MFD_SY7636A_H
+
+#define SY7636A_REG_OPERATION_MODE_CRL		0x00
+/* It is set if a gpio is used to control the regulator */
+#define SY7636A_OPERATION_MODE_CRL_VCOMCTL	BIT(6)
+#define SY7636A_OPERATION_MODE_CRL_ONOFF	BIT(7)
+#define SY7636A_REG_VCOM_ADJUST_CTRL_L		0x01
+#define SY7636A_REG_VCOM_ADJUST_CTRL_H		0x02
+#define SY7636A_REG_VCOM_ADJUST_CTRL_MASK	0x01ff
+#define SY7636A_REG_VLDO_VOLTAGE_ADJULST_CTRL	0x03
+#define SY7636A_REG_POWER_ON_DELAY_TIME		0x06
+#define SY7636A_REG_FAULT_FLAG			0x07
+#define SY7636A_FAULT_FLAG_PG			BIT(0)
+#define SY7636A_REG_TERMISTOR_READOUT		0x08
+
+#define SY7636A_REG_MAX				0x08
+
+#define VCOM_ADJUST_CTRL_MASK	0x1ff
+// Used to shift the high byte
+#define VCOM_ADJUST_CTRL_SHIFT	8
+// Used to scale from VCOM_ADJUST_CTRL to mv
+#define VCOM_ADJUST_CTRL_SCAL	10000
+
+#define FAULT_FLAG_SHIFT	1
+
+#endif /* __LINUX_MFD_SY7636A_H */
-- 
2.31.1


  parent reply	other threads:[~2021-12-02 12:09 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-02 12:07 [PATCH v16 0/8] Add support for the silergy,sy7636a Alistair Francis
2021-12-02 12:07 ` [PATCH v16 1/8] dt-bindings: mfd: Initial commit of silergy,sy7636a.yaml Alistair Francis
2021-12-02 12:07 ` [PATCH v16 2/8] mfd: simple-mfd-i2c: Add a Kconfig name Alistair Francis
2021-12-02 12:07 ` Alistair Francis [this message]
2021-12-02 12:07 ` [PATCH v16 4/8] regulator: sy7636a: Remove requirement on sy7636a mfd Alistair Francis
2021-12-02 12:07 ` [PATCH v16 5/8] hwmon: sy7636a: Add temperature driver for sy7636a Alistair Francis
2021-12-02 14:52   ` Guenter Roeck
2021-12-02 12:07 ` [PATCH v16 6/8] ARM: imx_v6_v7_defconfig: Enable silergy,sy7636a Alistair Francis
2021-12-02 12:07 ` [PATCH v16 7/8] ARM: dts: imx7d: remarkable2: " Alistair Francis
2021-12-02 12:07 ` [PATCH v16 8/8] ARM: dts: imx7d: remarkable2: Enable lcdif Alistair Francis
2021-12-05 21:07   ` Andreas Kemnade
2021-12-06 12:51     ` Alistair Francis

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