Rudraksha Gupta
4b5d202c15
Signed-off-by: Rudraksha Gupta <guptarud@gmail.com> Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/9440>
49 lines
1.7 KiB
Diff
49 lines
1.7 KiB
Diff
From b10973c0e6b3c2fdc6fb0b26c6938762812d750e Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Kamil=20Trzci=C5=84ski?= <ayufan@ayufan.eu>
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Date: Mon, 4 Jan 2021 17:57:49 +0100
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Subject: [PATCH 13/90] mfd: rk8xx: Enable rk808-clkout2 function
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The CLK32KOUT2 pin is shared between the 32 kHz clock output and another
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function, selected by bit 1 of CLK32OUT. Select the clock function on
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RK818 during pre-init, so that the rk808-clkout2 clock reaches whatever
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consumes it. The gate itself is left to the clock driver.
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Signed-off-by: Kamil Trzciński <ayufan@ayufan.eu>
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Signed-off-by: Ondrej Jirman <megi@xff.cz>
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---
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drivers/mfd/rk8xx-core.c | 1 +
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include/linux/mfd/rk808.h | 2 ++
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2 files changed, 3 insertions(+)
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diff --git a/drivers/mfd/rk8xx-core.c b/drivers/mfd/rk8xx-core.c
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index 3dcf6abfda74..8dd162a5b124 100644
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--- a/drivers/mfd/rk8xx-core.c
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+++ b/drivers/mfd/rk8xx-core.c
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@@ -304,6 +304,7 @@ static const struct rk808_reg_data rk818_pre_init_reg[] = {
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{ RK818_H5V_EN_REG, BIT(0), RK818_H5V_EN },
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{ RK808_VB_MON_REG, MASK_ALL, VB_LO_ACT |
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VB_LO_SEL_3500MV },
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+ { RK808_CLK32OUT_REG, CLK32KOUT2_FUNC_MASK, CLK32KOUT2_FUNC },
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};
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static const struct regmap_irq rk801_irqs[] = {
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diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
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index 7ffc904c864c..5353a470128d 100644
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--- a/include/linux/mfd/rk808.h
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+++ b/include/linux/mfd/rk808.h
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@@ -1051,6 +1051,8 @@ enum rk806_dvs_mode {
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#define VOUT_LO_INT BIT(0)
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#define CLK32KOUT2_EN BIT(0)
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+#define CLK32KOUT2_FUNC (0 << 1)
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+#define CLK32KOUT2_FUNC_MASK BIT(1)
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#define TEMP105C 0x08
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#define TEMP115C 0x0c
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--
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2.55.0
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