lkml.org 
[lkml]   [2017]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC 02/12] clk: qcom: flag for 64 bit CONFIG_CTL
Date
Some of the Alpha PLL’s (like Spark, Brammo PLL) do not have
CONFIG_CTL_U register. This patch adds the flag for PLL’s
which have CONFIG_CTL_U register and checks the same while
doing PLL initial configuration.

Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
---
drivers/clk/qcom/clk-alpha-pll.c | 5 ++++-
drivers/clk/qcom/clk-alpha-pll.h | 7 ++++---
2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
index 47a1da3..e6cde2d 100644
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c
@@ -118,7 +118,10 @@ void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
regmap_write(regmap, off + PLL_L_VAL, config->l);
regmap_write(regmap, off + PLL_ALPHA_VAL, config->alpha);
regmap_write(regmap, off + PLL_CONFIG_CTL, config->config_ctl_val);
- regmap_write(regmap, off + PLL_CONFIG_CTL_U, config->config_ctl_hi_val);
+
+ if (pll->flags & SUPPORTS_64BIT_CONFIG_CTL)
+ regmap_write(regmap, off + PLL_CONFIG_CTL_U,
+ config->config_ctl_hi_val);

val = config->main_output_mask;
val |= config->aux_output_mask;
diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h
index d6e1ee2..bbd6aa9 100644
--- a/drivers/clk/qcom/clk-alpha-pll.h
+++ b/drivers/clk/qcom/clk-alpha-pll.h
@@ -34,9 +34,10 @@ struct clk_alpha_pll {

const struct pll_vco *vco_table;
size_t num_vco;
-#define SUPPORTS_OFFLINE_REQ BIT(0)
-#define SUPPORTS_16BIT_ALPHA BIT(1)
-#define SUPPORTS_FSM_MODE BIT(2)
+#define SUPPORTS_OFFLINE_REQ BIT(0)
+#define SUPPORTS_16BIT_ALPHA BIT(1)
+#define SUPPORTS_FSM_MODE BIT(2)
+#define SUPPORTS_64BIT_CONFIG_CTL BIT(3)
u8 flags;

struct clk_regmap clkr;
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
\
 
 \ /
  Last update: 2017-07-27 13:13    [W:0.183 / U:64.956 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site