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clk: bd718x7: Support ROHM BD70528 clk block

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ROHM BD70528 is an ultra low power PMIC with similar 32K clk as
bd718x7. Only difference (from clk perspective) is register address.
Add support for controlling BD70528 clk using bd718x7 driver.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Matti Vaittinen
2019-06-03 10:25:39 +03:00
committed by Lee Jones
parent 21b7c58fc1
commit 0dae7f5857
2 changed files with 19 additions and 7 deletions
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20
drivers/clk/clk-bd718x7.c
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@@ -8,6 +8,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/mfd/rohm-bd718x7.h>
#include <linux/mfd/rohm-bd70528.h>
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
#include <linux/regmap.h>
@@ -86,9 +87,20 @@ static int bd71837_clk_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "No parent clk found\n");
return -EINVAL;
}
c->reg = BD718XX_REG_OUT32K;
c->mask = BD718XX_OUT32K_EN;
switch (mfd->chip_type) {
case ROHM_CHIP_TYPE_BD71837:
case ROHM_CHIP_TYPE_BD71847:
c->reg = BD718XX_REG_OUT32K;
c->mask = BD718XX_OUT32K_EN;
break;
case ROHM_CHIP_TYPE_BD70528:
c->reg = BD70528_REG_CLK_OUT;
c->mask = BD70528_CLK_OUT_EN_MASK;
break;
default:
dev_err(&pdev->dev, "Unknown clk chip\n");
return -EINVAL;
}
c->mfd = mfd;
c->pdev = pdev;
c->hw.init = &init;
@@ -119,5 +131,5 @@ static struct platform_driver bd71837_clk = {
module_platform_driver(bd71837_clk);
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
MODULE_DESCRIPTION("BD71837/BD71847 chip clk driver");
MODULE_DESCRIPTION("BD71837/BD71847/BD70528 chip clk driver");
MODULE_LICENSE("GPL");