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46 lines
1.4 KiB
Diff
46 lines
1.4 KiB
Diff
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From 74b8031307c5d33d36742c26dd0921991bd5a255 Mon Sep 17 00:00:00 2001
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From: Sean Cross <xobs@kosagi.com>
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Date: Thu, 26 Sep 2013 10:45:35 +0800
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Subject: [PATCH] ARM: imx6q: clock and Kconfig update for PCIe support
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Update imx6q clock initialization and Kconfig for PCIe support.
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Signed-off-by: Sean Cross <xobs@kosagi.com>
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Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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---
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arch/arm/mach-imx/Kconfig | 2 ++
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arch/arm/mach-imx/clk-imx6q.c | 4 ++++
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2 files changed, 6 insertions(+)
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diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
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index e017915..270f786 100644
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--- a/arch/arm/mach-imx/Kconfig
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+++ b/arch/arm/mach-imx/Kconfig
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@@ -802,6 +802,8 @@ config SOC_IMX6Q
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select HAVE_IMX_SRC
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select HAVE_SMP
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select MFD_SYSCON
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+ select MIGHT_HAVE_PCI
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+ select PCI_DOMAINS if PCI
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select PINCTRL
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select PINCTRL_IMX6Q
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select PL310_ERRATA_588369 if CACHE_PL310
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diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
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index e8e5bad..07bc0d8 100644
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--- a/arch/arm/mach-imx/clk-imx6q.c
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+++ b/arch/arm/mach-imx/clk-imx6q.c
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@@ -623,6 +623,10 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
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if (ret)
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pr_warn("failed to set up CLKO: %d\n", ret);
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+ /* All existing boards with PCIe use LVDS1 */
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+ if (IS_ENABLED(CONFIG_PCI_IMX6))
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+ clk_set_parent(clk[lvds1_sel], clk[sata_ref]);
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+
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/* Set initial power mode */
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imx6q_set_lpm(WAIT_CLOCKED);
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--
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1.8.4.1
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