[RFC PATCH v2 05/13] clk: bd718x7: Support ROHM BD71828 clk block
From: Matti Vaittinen <hidden>
Date: 2019-10-24 11:44:58
Also in:
linux-clk, linux-gpio, linux-leds, linux-rtc, lkml
Subsystem:
common clk framework, rohm power management ic device drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Matti Vaittinen, Linus Torvalds
BD71828GW is a single-chip power management IC for battery-powered portable devices. Add support for controlling BD71828 clk using bd718x7 driver. Signed-off-by: Matti Vaittinen <redacted> --- No changes since v1 drivers/clk/Kconfig | 6 +++--- drivers/clk/clk-bd718x7.c | 15 ++++++++++----- 2 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 801fa1cd0321..1d61d94cdb29 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig@@ -302,10 +302,10 @@ config COMMON_CLK_STM32H7 Support for stm32h7 SoC family clocks config COMMON_CLK_BD718XX - tristate "Clock driver for ROHM BD718x7 PMIC" - depends on MFD_ROHM_BD718XX || MFD_ROHM_BD70528 + tristate "Clock driver for 32K clk gates on ROHM PMICs" + depends on MFD_ROHM_BD718XX || MFD_ROHM_BD70528 || MFD_ROHM_BD71828 help - This driver supports ROHM BD71837, ROHM BD71847 and + This driver supports ROHM BD71837, ROHM BD71847, ROHM BD71828 and ROHM BD70528 PMICs clock gates. config COMMON_CLK_FIXED_MMIO
diff --git a/drivers/clk/clk-bd718x7.c b/drivers/clk/clk-bd718x7.c
index ae6e5baee330..d17a19e04592 100644
--- a/drivers/clk/clk-bd718x7.c
+++ b/drivers/clk/clk-bd718x7.c@@ -8,6 +8,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/mfd/rohm-bd718x7.h> +#include <linux/mfd/rohm-bd71828.h> #include <linux/mfd/rohm-bd70528.h> #include <linux/clk-provider.h> #include <linux/clkdev.h>
@@ -21,10 +22,8 @@ struct bd718xx_clk { struct rohm_regmap_dev *mfd; }; -static int bd71837_clk_set(struct clk_hw *hw, int status) +static int bd71837_clk_set(struct bd718xx_clk *c, int status) { - struct bd718xx_clk *c = container_of(hw, struct bd718xx_clk, hw); - return regmap_update_bits(c->mfd->regmap, c->reg, c->mask, status); }
@@ -33,14 +32,16 @@ static void bd71837_clk_disable(struct clk_hw *hw) int rv; struct bd718xx_clk *c = container_of(hw, struct bd718xx_clk, hw); - rv = bd71837_clk_set(hw, 0); + rv = bd71837_clk_set(c, 0); if (rv) dev_dbg(&c->pdev->dev, "Failed to disable 32K clk (%d)\n", rv); } static int bd71837_clk_enable(struct clk_hw *hw) { - return bd71837_clk_set(hw, 1); + struct bd718xx_clk *c = container_of(hw, struct bd718xx_clk, hw); + + return bd71837_clk_set(c, 0xffffffff); } static int bd71837_clk_is_enabled(struct clk_hw *hw)
@@ -93,6 +94,10 @@ static int bd71837_clk_probe(struct platform_device *pdev) c->reg = BD718XX_REG_OUT32K; c->mask = BD718XX_OUT32K_EN; break; + case ROHM_CHIP_TYPE_BD71828: + c->reg = BD71828_REG_OUT32K; + c->mask = BD71828_OUT32K_EN; + break; case ROHM_CHIP_TYPE_BD70528: c->reg = BD70528_REG_CLK_OUT; c->mask = BD70528_CLK_OUT_EN_MASK;
--
2.21.0
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
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