From: Alistair Francis <alistair@alistair23.me>
To: lee.jones@linaro.org, robh+dt@kernel.org, lgirdwood@gmail.com,
broonie@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
alistair23@gmail.com, Alistair Francis <alistair@alistair23.me>
Subject: [PATCH v9 04/12] mfd: simple-mfd-i2c: Enable support for the silergy,sy7636a
Date: Fri, 6 Aug 2021 19:10:50 +1000 [thread overview]
Message-ID: <20210806091058.141-5-alistair@alistair23.me> (raw)
In-Reply-To: <20210806091058.141-1-alistair@alistair23.me>
Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
drivers/mfd/simple-mfd-i2c.c | 12 +++++++++++
include/linux/mfd/sy7636a.h | 41 ++++++++++++++++++++++++++++++++++++
2 files changed, 53 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 633a2b28b6cb..5c4b6fd59fa1 100644
--- a/drivers/mfd/simple-mfd-i2c.c
+++ b/drivers/mfd/simple-mfd-i2c.c
@@ -64,8 +64,20 @@ 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", },
+ { .name = "sy7636a-thermal", },
+};
+
+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..15caa54f0432
--- /dev/null
+++ b/include/linux/mfd/sy7636a.h
@@ -0,0 +1,41 @@
+/* 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
+
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+
+#define SY7636A_REG_OPERATION_MODE_CRL 0x00
+#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_MIN 0
+#define VCOM_MAX 5000
+
+#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
next prev parent reply other threads:[~2021-08-06 9:11 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-06 9:10 [PATCH v9 00/12] Add support for the silergy,sy7636a Alistair Francis
2021-08-06 9:10 ` [PATCH v9 01/12] dt-bindings: mfd: Initial commit of silergy,sy7636a.yaml Alistair Francis
2021-08-06 9:10 ` [PATCH v9 02/12] mfd: simple-mfd-i2c: Add a Kconfig name Alistair Francis
2021-08-06 11:39 ` Lee Jones
2021-08-06 11:47 ` Alistair Francis
2021-08-06 9:10 ` [PATCH v9 03/12] mfd: simple-mfd-i2c: Save the register client data Alistair Francis
2021-08-06 11:38 ` Lee Jones
2021-08-06 11:45 ` Mark Brown
2021-08-09 11:14 ` Lee Jones
2021-08-10 7:03 ` Alistair Francis
2021-08-06 9:10 ` Alistair Francis [this message]
2021-08-06 11:39 ` [PATCH v9 04/12] mfd: simple-mfd-i2c: Enable support for the silergy,sy7636a Lee Jones
2021-08-06 9:10 ` [PATCH v9 05/12] regulator: sy7636a: Use the regmap directly Alistair Francis
2021-08-06 9:10 ` [PATCH v9 06/12] regulator: sy7636a: Remove requirement on sy7636a mfd Alistair Francis
2021-08-06 9:10 ` [PATCH v9 07/12] thermal: sy7636a: Add thermal driver for sy7636a Alistair Francis
2021-08-06 9:10 ` [PATCH v9 08/12] hwmon: sy7636a: Add temperature " Alistair Francis
2021-08-06 9:10 ` [PATCH v9 09/12] ARM: imx_v6_v7_defconfig: Enable silergy,sy7636a Alistair Francis
2021-08-06 9:10 ` [PATCH v9 10/12] ARM: dts: imx7d: remarkable2: " Alistair Francis
2021-08-06 9:10 ` [PATCH v9 11/12] ARM: imx_v6_v7_defconfig: Enable backlight class devices Alistair Francis
2021-08-06 9:10 ` [PATCH v9 12/12] ARM: dts: imx7d: remarkable2: Enable lcdif Alistair Francis
2021-08-09 13:06 ` (subset) [PATCH v9 00/12] Add support for the silergy,sy7636a Mark Brown
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