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authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-05 15:46:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-05 15:46:37 -0700
commit2bf73dd61a84cdf27e49f48e08739af6ba70ace1 (patch)
tree225876ce1530ba6c3a96621a531f47e963fee691 /drivers/clk
parentd2b150d0647e055d7a71b1c33140280550b27dd6 (diff)
parent9dfbff16b422a4bac7ad309847c7bc5d65653392 (diff)
downloadlinux-2bf73dd61a84cdf27e49f48e08739af6ba70ace1.tar.bz2
Merge tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late cleanups from Arnd Bergmann: "These could not be part of the first cleanup branch, because they either came too late in the cycle, or they have dependencies on other branches. Important changes are: - The integrator platform is almost multiplatform capable after some reorganization (Linus Walleij) - Minor cleanups on Zynq (Michal Simek) - Lots of changes for Exynos and other Samsung platforms, including further preparations for multiplatform support and the clocks bindings are rearranged" * tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits) devicetree: fix newly added exynos sata bindings ARM: EXYNOS: Fix compilation error in cpuidle.c ARM: S5P64X0: Explicitly include linux/serial_s3c.h in mach/pm-core.h ARM: EXYNOS: Remove hardware.h file ARM: SAMSUNG: Remove hardware.h inclusion ARM: S3C24XX: Remove invalid code from hardware.h dt-bindings: clock: Move exynos-audss-clk.h to dt-bindings/clock ARM: dts: Keep some essential LDOs enabled for arndale-octa board ARM: dts: Disable MDMA1 node for arndale-octa board ARM: S3C64XX: Fix build for implicit serial_s3c.h inclusion serial: s3c: Fix build of header without serial_core.h preinclusion ARM: EXYNOS: Allow wake-up using GIC interrupts ARM: EXYNOS: Stop using legacy Samsung PM code ARM: EXYNOS: Remove PM initcalls and useless indirection ARM: EXYNOS: Fix abuse of CONFIG_PM ARM: SAMSUNG: Move s3c_pm_check_* prototypes to plat/pm-common.h ARM: SAMSUNG: Move common save/restore helpers to separate file ARM: SAMSUNG: Move Samsung PM debug code into separate file ARM: SAMSUNG: Consolidate PM debug functions ARM: SAMSUNG: Use debug_ll_addr() to get UART base address ...
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/samsung/clk-exynos-audss.c2
-rw-r--r--drivers/clk/versatile/clk-impd1.c6
-rw-r--r--drivers/clk/zynq/clkc.c89
3 files changed, 67 insertions, 30 deletions
diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c
index 884187fbfe00..13eae14c2cc2 100644
--- a/drivers/clk/samsung/clk-exynos-audss.c
+++ b/drivers/clk/samsung/clk-exynos-audss.c
@@ -17,7 +17,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <dt-bindings/clk/exynos-audss-clk.h>
+#include <dt-bindings/clock/exynos-audss-clk.h>
enum exynos_audss_clk_type {
TYPE_EXYNOS4210,
diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c
index 6d8b8e1a080a..31b44f025f9e 100644
--- a/drivers/clk/versatile/clk-impd1.c
+++ b/drivers/clk/versatile/clk-impd1.c
@@ -13,10 +13,12 @@
#include <linux/io.h>
#include <linux/platform_data/clk-integrator.h>
-#include <mach/impd1.h>
-
#include "clk-icst.h"
+#define IMPD1_OSC1 0x00
+#define IMPD1_OSC2 0x04
+#define IMPD1_LOCK 0x08
+
struct impd1_clk {
char *vco1name;
struct clk *vco1clk;
diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c
index 09dd0173ea0a..c812b93a52b2 100644
--- a/drivers/clk/zynq/clkc.c
+++ b/drivers/clk/zynq/clkc.c
@@ -21,34 +21,35 @@
#include <linux/clk/zynq.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/io.h>
-static void __iomem *zynq_slcr_base_priv;
-
-#define SLCR_ARMPLL_CTRL (zynq_slcr_base_priv + 0x100)
-#define SLCR_DDRPLL_CTRL (zynq_slcr_base_priv + 0x104)
-#define SLCR_IOPLL_CTRL (zynq_slcr_base_priv + 0x108)
-#define SLCR_PLL_STATUS (zynq_slcr_base_priv + 0x10c)
-#define SLCR_ARM_CLK_CTRL (zynq_slcr_base_priv + 0x120)
-#define SLCR_DDR_CLK_CTRL (zynq_slcr_base_priv + 0x124)
-#define SLCR_DCI_CLK_CTRL (zynq_slcr_base_priv + 0x128)
-#define SLCR_APER_CLK_CTRL (zynq_slcr_base_priv + 0x12c)
-#define SLCR_GEM0_CLK_CTRL (zynq_slcr_base_priv + 0x140)
-#define SLCR_GEM1_CLK_CTRL (zynq_slcr_base_priv + 0x144)
-#define SLCR_SMC_CLK_CTRL (zynq_slcr_base_priv + 0x148)
-#define SLCR_LQSPI_CLK_CTRL (zynq_slcr_base_priv + 0x14c)
-#define SLCR_SDIO_CLK_CTRL (zynq_slcr_base_priv + 0x150)
-#define SLCR_UART_CLK_CTRL (zynq_slcr_base_priv + 0x154)
-#define SLCR_SPI_CLK_CTRL (zynq_slcr_base_priv + 0x158)
-#define SLCR_CAN_CLK_CTRL (zynq_slcr_base_priv + 0x15c)
-#define SLCR_CAN_MIOCLK_CTRL (zynq_slcr_base_priv + 0x160)
-#define SLCR_DBG_CLK_CTRL (zynq_slcr_base_priv + 0x164)
-#define SLCR_PCAP_CLK_CTRL (zynq_slcr_base_priv + 0x168)
-#define SLCR_FPGA0_CLK_CTRL (zynq_slcr_base_priv + 0x170)
-#define SLCR_621_TRUE (zynq_slcr_base_priv + 0x1c4)
-#define SLCR_SWDT_CLK_SEL (zynq_slcr_base_priv + 0x304)
+static void __iomem *zynq_clkc_base;
+
+#define SLCR_ARMPLL_CTRL (zynq_clkc_base + 0x00)
+#define SLCR_DDRPLL_CTRL (zynq_clkc_base + 0x04)
+#define SLCR_IOPLL_CTRL (zynq_clkc_base + 0x08)
+#define SLCR_PLL_STATUS (zynq_clkc_base + 0x0c)
+#define SLCR_ARM_CLK_CTRL (zynq_clkc_base + 0x20)
+#define SLCR_DDR_CLK_CTRL (zynq_clkc_base + 0x24)
+#define SLCR_DCI_CLK_CTRL (zynq_clkc_base + 0x28)
+#define SLCR_APER_CLK_CTRL (zynq_clkc_base + 0x2c)
+#define SLCR_GEM0_CLK_CTRL (zynq_clkc_base + 0x40)
+#define SLCR_GEM1_CLK_CTRL (zynq_clkc_base + 0x44)
+#define SLCR_SMC_CLK_CTRL (zynq_clkc_base + 0x48)
+#define SLCR_LQSPI_CLK_CTRL (zynq_clkc_base + 0x4c)
+#define SLCR_SDIO_CLK_CTRL (zynq_clkc_base + 0x50)
+#define SLCR_UART_CLK_CTRL (zynq_clkc_base + 0x54)
+#define SLCR_SPI_CLK_CTRL (zynq_clkc_base + 0x58)
+#define SLCR_CAN_CLK_CTRL (zynq_clkc_base + 0x5c)
+#define SLCR_CAN_MIOCLK_CTRL (zynq_clkc_base + 0x60)
+#define SLCR_DBG_CLK_CTRL (zynq_clkc_base + 0x64)
+#define SLCR_PCAP_CLK_CTRL (zynq_clkc_base + 0x68)
+#define SLCR_FPGA0_CLK_CTRL (zynq_clkc_base + 0x70)
+#define SLCR_621_TRUE (zynq_clkc_base + 0xc4)
+#define SLCR_SWDT_CLK_SEL (zynq_clkc_base + 0x204)
#define NUM_MIO_PINS 54
@@ -569,8 +570,42 @@ static void __init zynq_clk_setup(struct device_node *np)
CLK_OF_DECLARE(zynq_clkc, "xlnx,ps7-clkc", zynq_clk_setup);
-void __init zynq_clock_init(void __iomem *slcr_base)
+void __init zynq_clock_init(void)
{
- zynq_slcr_base_priv = slcr_base;
- of_clk_init(NULL);
+ struct device_node *np;
+ struct device_node *slcr;
+ struct resource res;
+
+ np = of_find_compatible_node(NULL, NULL, "xlnx,ps7-clkc");
+ if (!np) {
+ pr_err("%s: clkc node not found\n", __func__);
+ goto np_err;
+ }
+
+ if (of_address_to_resource(np, 0, &res)) {
+ pr_err("%s: failed to get resource\n", np->name);
+ goto np_err;
+ }
+
+ slcr = of_get_parent(np);
+
+ if (slcr->data) {
+ zynq_clkc_base = (__force void __iomem *)slcr->data + res.start;
+ } else {
+ pr_err("%s: Unable to get I/O memory\n", np->name);
+ of_node_put(slcr);
+ goto np_err;
+ }
+
+ pr_info("%s: clkc starts at %p\n", __func__, zynq_clkc_base);
+
+ of_node_put(slcr);
+ of_node_put(np);
+
+ return;
+
+np_err:
+ of_node_put(np);
+ BUG();
+ return;
}