From 799d0dddf608ff012b49282d5832ddd2ef1b916e Mon Sep 17 00:00:00 2001 From: Yutang Jiang Date: Wed, 28 Dec 2016 01:28:02 +0800 Subject: layerscape: add ls2088ardb device support The QorIQ LS2088A processor is built on the Layerscape architecture combining eight ARM A72 processor cores with advanced, high-performance datapath acceleration and network, peripheral interfaces required for networking, telecom, wireless infrastructure, aerospace applications and general-purpose embedded applications. Features summary: - Eight 64-bit ARM v8 Cortex-A72 CPUs - Two 64-bit DDR4 SDRAM memory controller with ECC - One 32-bit DDR3 SDRAM memory controller with ECC - Data path acceleration architecture 2.0 (DPAA2) - Ethernet interfaces - IFC, 4 PCIe, 2 SATA, 2 USB, 1 SDXC, 2 DUARTs etc Signed-off-by: Yutang Jiang --- .../patches-4.4/8236-clk-add-API-of-clks.patch | 84 ++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 target/linux/layerscape/patches-4.4/8236-clk-add-API-of-clks.patch (limited to 'target/linux/layerscape/patches-4.4/8236-clk-add-API-of-clks.patch') diff --git a/target/linux/layerscape/patches-4.4/8236-clk-add-API-of-clks.patch b/target/linux/layerscape/patches-4.4/8236-clk-add-API-of-clks.patch new file mode 100644 index 0000000000..f5947f7e06 --- /dev/null +++ b/target/linux/layerscape/patches-4.4/8236-clk-add-API-of-clks.patch @@ -0,0 +1,84 @@ +From df2373ca941741f3f66750241a048ad4e2ff2c91 Mon Sep 17 00:00:00 2001 +From: Zhao Qiang +Date: Thu, 24 Nov 2016 11:47:45 +0800 +Subject: [PATCH 236/238] clk: add API of clks + +Signed-off-by: Zhao Qiang +--- + drivers/clk/clk.c | 19 +++++++++++++++++++ + include/linux/clk-provider.h | 1 + + include/linux/clk.h | 9 +++++++++ + 3 files changed, 29 insertions(+) + +diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c +index f13c3f4..0f6bcf5 100644 +--- a/drivers/clk/clk.c ++++ b/drivers/clk/clk.c +@@ -359,6 +359,19 @@ static struct clk_core *clk_core_get_parent_by_index(struct clk_core *core, + return core->parents[index]; + } + ++struct clk *clk_get_parent_by_index(struct clk *clk, u8 index) ++{ ++ struct clk_core *parent; ++ ++ if (!clk) ++ return NULL; ++ ++ parent = clk_core_get_parent_by_index(clk->core, index); ++ ++ return !parent ? NULL : parent->hw->clk; ++} ++EXPORT_SYMBOL_GPL(clk_get_parent_by_index); ++ + struct clk_hw * + clk_hw_get_parent_by_index(const struct clk_hw *hw, unsigned int index) + { +@@ -2033,6 +2046,12 @@ static const struct file_operations clk_summary_fops = { + .release = single_release, + }; + ++unsigned int clk_get_num_parents(struct clk *clk) ++{ ++ return !clk ? 0 : clk->core->num_parents; ++} ++EXPORT_SYMBOL_GPL(clk_get_num_parents); ++ + static void clk_dump_one(struct seq_file *s, struct clk_core *c, int level) + { + if (!c) +diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h +index 7cd0171..77dfd61 100644 +--- a/include/linux/clk-provider.h ++++ b/include/linux/clk-provider.h +@@ -650,6 +650,7 @@ unsigned int clk_hw_get_num_parents(const struct clk_hw *hw); + struct clk_hw *clk_hw_get_parent(const struct clk_hw *hw); + struct clk_hw *clk_hw_get_parent_by_index(const struct clk_hw *hw, + unsigned int index); ++struct clk *clk_get_parent_by_index(struct clk *clk, u8 index); + unsigned int __clk_get_enable_count(struct clk *clk); + unsigned long clk_hw_get_rate(const struct clk_hw *hw); + unsigned long __clk_get_flags(struct clk *clk); +diff --git a/include/linux/clk.h b/include/linux/clk.h +index 0df4a51..1df90e3 100644 +--- a/include/linux/clk.h ++++ b/include/linux/clk.h +@@ -392,6 +392,15 @@ int clk_set_parent(struct clk *clk, struct clk *parent); + struct clk *clk_get_parent(struct clk *clk); + + /** ++ * clk_get_num_parents - get number of possible parents ++ * @clk: clock source ++ * ++ * Returns the number of possible parents of this clock, ++ * which can then be enumerated using clk_get_parent_by_index(). ++ */ ++unsigned int clk_get_num_parents(struct clk *clk); ++ ++/** + * clk_get_sys - get a clock based upon the device name + * @dev_id: device name + * @con_id: connection ID +-- +1.7.9.5 + -- cgit v1.2.3