提交 71422dbb 编写于 作者: A Alex Frid 提交者: Stephen Boyd

clk: tegra: Correct Tegra210 UTMIPLL poweron delay

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: NAlex Frid <afrid@nvidia.com>
Reviewed-by: NPeter De Schrijver <pdeschrijver@nvidia.com>
Reviewed-by: NJon Mayo <jmayo@nvidia.com>
Tested-by: NThierry Reding <treding@nvidia.com>
Acked-by: NThierry Reding <treding@nvidia.com>
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>
上级 2f924ac3
...@@ -2472,15 +2472,14 @@ static void tegra210_utmi_param_configure(void) ...@@ -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_STABLE_COUNT(utmi_parameters[i].stable_count);
reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0); reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
reg |= reg |=
UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count); UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2); writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
/* Program UTMIP PLL delay and oscillator frequency counts */ /* Program UTMIP PLL delay and oscillator frequency counts */
reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1); 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 |= reg |=
UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count); UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
...@@ -2496,7 +2495,8 @@ static void tegra210_utmi_param_configure(void) ...@@ -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_POWERDOWN;
reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP; reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1); writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
udelay(1);
udelay(20);
/* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */ /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2); reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
......
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