[13/14] clk: tegra: Correct Tegra210 UTMIPLL poweron delay

Commit Message

Peter De Schrijver July 25, 2017, 10:34 a.m. UTC

From: Alex Frid <[e-mail]>

Increased Tegra210 UTMIPLL power on delay to 20us (spec maximum is 15us).
Also remove a few empty lines to make it more clear the ACTIVE_DLY_COUNT
and ENABLE_DLY_COUNT fields.

Signed-off-by: Alex Frid <[e-mail]>
Reviewed-by: Peter De Schrijver <[e-mail]>
Reviewed-by: Jon Mayo <[e-mail]>
---
 drivers/clk/tegra/clk-tegra210.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c
index 4fa7ab3..fd04b0e 100644
--- a/drivers/clk/tegra/clk-tegra210.c
+++ b/drivers/clk/tegra/clk-tegra210.c
@@ -2472,15 +2472,14 @@  static void tegra210_utmi_param_configure(void)
 	reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
 
 	reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
-
 	reg |=
 	UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
 
 	/* Program UTMIP PLL delay and oscillator frequency counts */
 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
-	reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
 
+	reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
 	reg |=
 	UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
 
@@ -2496,7 +2495,8 @@  static void tegra210_utmi_param_configure(void)
 	reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
 	reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
-	udelay(1);
+
+	udelay(20);
 
 	/* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);