Merge branch 'renesas/clock' into next/boards

* renesas/clock:
  ARM: shmobile: r8a7790: remove old style audio clock
  ARM: shmobile: r8a7778: remove old style audio clock
  ARM: shmobile: r8a7791: Rename VSP1_SY clocks to VSP1_S
  ARM: shmobile: r8a7790: Rename VSP1_(SY|RT) clocks to VSP1_(S|R)
  ARM: shmobile: r8a7791: Fix the I2C clocks parents in legacy code
  ARM: shmobile: r8a7790: Fix the I2C clocks parents in legacy code
  ARM: shmobile: Introduce shmobile_clk_workaround()
  ARM: shmobile: r8a7791: Use rcar_gen2_read_mode_pins() helper

6 files changed, 76 insertions, 47 deletions

diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index 4caffc912a81..c12a1c50e9d2 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -21,8 +21,8 @@ obj-$(CONFIG_ARCH_EMEV2)	+= setup-emev2.o
 obj-$(CONFIG_ARCH_R7S72100)     += setup-r7s72100.o
 
 # Clock objects
-ifndef CONFIG_COMMON_CLK
 obj-y                           += clock.o
+ifndef CONFIG_COMMON_CLK
 obj-$(CONFIG_ARCH_SH7372)       += clock-sh7372.o
 obj-$(CONFIG_ARCH_SH73A0)       += clock-sh73a0.o
 obj-$(CONFIG_ARCH_R8A73A4)      += clock-r8a73a4.o
diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c
index 9989b1b06ffd..6609beb9b9b4 100644
--- a/arch/arm/mach-shmobile/clock-r8a7778.c
+++ b/arch/arm/mach-shmobile/clock-r8a7778.c
@@ -175,10 +175,6 @@ static struct clk mstp_clks[MSTP_NR] = {
 
 static struct clk_lookup lookups[] = {
         /* main */
-        CLKDEV_CON_ID("audio_clk_a",    &audio_clk_a),
-        CLKDEV_CON_ID("audio_clk_b",    &audio_clk_b),
-        CLKDEV_CON_ID("audio_clk_c",    &audio_clk_c),
-        CLKDEV_CON_ID("audio_clk_internal",     &s1_clk),
         CLKDEV_CON_ID("shyway_clk",     &s_clk),
         CLKDEV_CON_ID("peripheral_clk", &p_clk),
 
@@ -234,15 +230,15 @@ static struct clk_lookup lookups[] = {
         CLKDEV_ICK_ID("ssi.6", "rcar_sound", &mstp_clks[MSTP309]),
         CLKDEV_ICK_ID("ssi.7", "rcar_sound", &mstp_clks[MSTP308]),
         CLKDEV_ICK_ID("ssi.8", "rcar_sound", &mstp_clks[MSTP307]),
-        CLKDEV_ICK_ID("scu.0", "rcar_sound", &mstp_clks[MSTP531]),
-        CLKDEV_ICK_ID("scu.1", "rcar_sound", &mstp_clks[MSTP530]),
-        CLKDEV_ICK_ID("scu.2", "rcar_sound", &mstp_clks[MSTP529]),
-        CLKDEV_ICK_ID("scu.3", "rcar_sound", &mstp_clks[MSTP528]),
-        CLKDEV_ICK_ID("scu.4", "rcar_sound", &mstp_clks[MSTP527]),
-        CLKDEV_ICK_ID("scu.5", "rcar_sound", &mstp_clks[MSTP526]),
-        CLKDEV_ICK_ID("scu.6", "rcar_sound", &mstp_clks[MSTP525]),
-        CLKDEV_ICK_ID("scu.7", "rcar_sound", &mstp_clks[MSTP524]),
-        CLKDEV_ICK_ID("scu.8", "rcar_sound", &mstp_clks[MSTP523]),
+        CLKDEV_ICK_ID("src.0", "rcar_sound", &mstp_clks[MSTP531]),
+        CLKDEV_ICK_ID("src.1", "rcar_sound", &mstp_clks[MSTP530]),
+        CLKDEV_ICK_ID("src.2", "rcar_sound", &mstp_clks[MSTP529]),
+        CLKDEV_ICK_ID("src.3", "rcar_sound", &mstp_clks[MSTP528]),
+        CLKDEV_ICK_ID("src.4", "rcar_sound", &mstp_clks[MSTP527]),
+        CLKDEV_ICK_ID("src.5", "rcar_sound", &mstp_clks[MSTP526]),
+        CLKDEV_ICK_ID("src.6", "rcar_sound", &mstp_clks[MSTP525]),
+        CLKDEV_ICK_ID("src.7", "rcar_sound", &mstp_clks[MSTP524]),
+        CLKDEV_ICK_ID("src.8", "rcar_sound", &mstp_clks[MSTP523]),
 };
 
 void __init r8a7778_clock_init(void)
diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c
index 3f93503f5b96..a936ae7de083 100644
--- a/arch/arm/mach-shmobile/clock-r8a7790.c
+++ b/arch/arm/mach-shmobile/clock-r8a7790.c
@@ -249,10 +249,10 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP1007] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 7, MSTPSR10, 0), /* SSI8 */
         [MSTP1006] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 6, MSTPSR10, 0), /* SSI9 */
         [MSTP1005] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 5, MSTPSR10, 0), /* SSI ALL */
-        [MSTP931] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 31, MSTPSR9, 0), /* I2C0 */
-        [MSTP930] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 30, MSTPSR9, 0), /* I2C1 */
-        [MSTP929] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 29, MSTPSR9, 0), /* I2C2 */
-        [MSTP928] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 28, MSTPSR9, 0), /* I2C3 */
+        [MSTP931] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 31, MSTPSR9, 0), /* I2C0 */
+        [MSTP930] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 30, MSTPSR9, 0), /* I2C1 */
+        [MSTP929] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 29, MSTPSR9, 0), /* I2C2 */
+        [MSTP928] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 28, MSTPSR9, 0), /* I2C3 */
         [MSTP917] = SH_CLK_MSTP32_STS(&qspi_clk, SMSTPCR9, 17, MSTPSR9, 0), /* QSPI */
         [MSTP815] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR8, 15, MSTPSR8, 0), /* SATA0 */
         [MSTP814] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR8, 14, MSTPSR8, 0), /* SATA1 */
@@ -294,10 +294,6 @@ static struct clk mstp_clks[MSTP_NR] = {
 static struct clk_lookup lookups[] = {
 
         /* main clocks */
-        CLKDEV_CON_ID("audio_clk_a",    &audio_clk_a),
-        CLKDEV_CON_ID("audio_clk_b",    &audio_clk_b),
-        CLKDEV_CON_ID("audio_clk_c",    &audio_clk_c),
-        CLKDEV_CON_ID("audio_clk_internal",     &m2_clk),
         CLKDEV_CON_ID("extal",          &extal_clk),
         CLKDEV_CON_ID("extal_div2",     &extal_div2_clk),
         CLKDEV_CON_ID("main",           &main_clk),
@@ -381,16 +377,16 @@ static struct clk_lookup lookups[] = {
         CLKDEV_ICK_ID("clk_b", "rcar_sound", &audio_clk_b),
         CLKDEV_ICK_ID("clk_c", "rcar_sound", &audio_clk_c),
         CLKDEV_ICK_ID("clk_i", "rcar_sound", &m2_clk),
-        CLKDEV_ICK_ID("scu.0", "rcar_sound", &mstp_clks[MSTP1031]),
-        CLKDEV_ICK_ID("scu.1", "rcar_sound", &mstp_clks[MSTP1030]),
-        CLKDEV_ICK_ID("scu.2", "rcar_sound", &mstp_clks[MSTP1029]),
-        CLKDEV_ICK_ID("scu.3", "rcar_sound", &mstp_clks[MSTP1028]),
-        CLKDEV_ICK_ID("scu.4", "rcar_sound", &mstp_clks[MSTP1027]),
-        CLKDEV_ICK_ID("scu.5", "rcar_sound", &mstp_clks[MSTP1026]),
-        CLKDEV_ICK_ID("scu.6", "rcar_sound", &mstp_clks[MSTP1025]),
-        CLKDEV_ICK_ID("scu.7", "rcar_sound", &mstp_clks[MSTP1024]),
-        CLKDEV_ICK_ID("scu.8", "rcar_sound", &mstp_clks[MSTP1023]),
-        CLKDEV_ICK_ID("scu.9", "rcar_sound", &mstp_clks[MSTP1022]),
+        CLKDEV_ICK_ID("src.0", "rcar_sound", &mstp_clks[MSTP1031]),
+        CLKDEV_ICK_ID("src.1", "rcar_sound", &mstp_clks[MSTP1030]),
+        CLKDEV_ICK_ID("src.2", "rcar_sound", &mstp_clks[MSTP1029]),
+        CLKDEV_ICK_ID("src.3", "rcar_sound", &mstp_clks[MSTP1028]),
+        CLKDEV_ICK_ID("src.4", "rcar_sound", &mstp_clks[MSTP1027]),
+        CLKDEV_ICK_ID("src.5", "rcar_sound", &mstp_clks[MSTP1026]),
+        CLKDEV_ICK_ID("src.6", "rcar_sound", &mstp_clks[MSTP1025]),
+        CLKDEV_ICK_ID("src.7", "rcar_sound", &mstp_clks[MSTP1024]),
+        CLKDEV_ICK_ID("src.8", "rcar_sound", &mstp_clks[MSTP1023]),
+        CLKDEV_ICK_ID("src.9", "rcar_sound", &mstp_clks[MSTP1022]),
         CLKDEV_ICK_ID("ssi.0", "rcar_sound", &mstp_clks[MSTP1015]),
         CLKDEV_ICK_ID("ssi.1", "rcar_sound", &mstp_clks[MSTP1014]),
         CLKDEV_ICK_ID("ssi.2", "rcar_sound", &mstp_clks[MSTP1013]),
diff --git a/arch/arm/mach-shmobile/clock-r8a7791.c b/arch/arm/mach-shmobile/clock-r8a7791.c
index 701383fe3267..3b26c7eee873 100644
--- a/arch/arm/mach-shmobile/clock-r8a7791.c
+++ b/arch/arm/mach-shmobile/clock-r8a7791.c
@@ -25,6 +25,7 @@
 #include <linux/clkdev.h>
 #include <mach/clock.h>
 #include <mach/common.h>
+#include <mach/rcar-gen2.h>
 
 /*
  *   MD         EXTAL           PLL0    PLL1    PLL3
@@ -43,8 +44,6 @@
  *      see "p1 / 2" on R8A7791_CLOCK_ROOT() below
  */
 
-#define MD(nr)  (1 << nr)
-
 #define CPG_BASE 0xe6150000
 #define CPG_LEN 0x1000
 
@@ -68,7 +67,6 @@
 #define MSTPSR9         IOMEM(0xe61509a4)
 #define MSTPSR11        IOMEM(0xe61509ac)
 
-#define MODEMR          0xE6160060
 #define SDCKCR          0xE6150074
 #define SD1CKCR         0xE6150078
 #define SD2CKCR         0xE615026c
@@ -190,12 +188,12 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP1108] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR11, 8, MSTPSR11, 0), /* SCIFA5 */
         [MSTP1107] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR11, 7, MSTPSR11, 0), /* SCIFA4 */
         [MSTP1106] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR11, 6, MSTPSR11, 0), /* SCIFA3 */
-        [MSTP931] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 31, MSTPSR9, 0), /* I2C0 */
-        [MSTP930] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 30, MSTPSR9, 0), /* I2C1 */
-        [MSTP929] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 29, MSTPSR9, 0), /* I2C2 */
-        [MSTP928] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 28, MSTPSR9, 0), /* I2C3 */
-        [MSTP927] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 27, MSTPSR9, 0), /* I2C4 */
-        [MSTP925] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR9, 25, MSTPSR9, 0), /* I2C5 */
+        [MSTP931] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 31, MSTPSR9, 0), /* I2C0 */
+        [MSTP930] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 30, MSTPSR9, 0), /* I2C1 */
+        [MSTP929] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 29, MSTPSR9, 0), /* I2C2 */
+        [MSTP928] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 28, MSTPSR9, 0), /* I2C3 */
+        [MSTP927] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 27, MSTPSR9, 0), /* I2C4 */
+        [MSTP925] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 25, MSTPSR9, 0), /* I2C5 */
         [MSTP917] = SH_CLK_MSTP32_STS(&qspi_clk, SMSTPCR9, 17, MSTPSR9, 0), /* QSPI */
         [MSTP815] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR8, 15, MSTPSR8, 0), /* SATA0 */
         [MSTP814] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR8, 14, MSTPSR8, 0), /* SATA1 */
@@ -295,14 +293,9 @@ static struct clk_lookup lookups[] = {
 
 void __init r8a7791_clock_init(void)
 {
-        void __iomem *modemr = ioremap_nocache(MODEMR, PAGE_SIZE);
-        u32 mode;
+        u32 mode = rcar_gen2_read_mode_pins();
         int k, ret = 0;
 
-        BUG_ON(!modemr);
-        mode = ioread32(modemr);
-        iounmap(modemr);
-
         switch (mode & (MD(14) | MD(13))) {
         case 0:
                 R8A7791_CLOCK_ROOT(15, &extal_clk, 172, 208, 106, 88);
diff --git a/arch/arm/mach-shmobile/clock.c b/arch/arm/mach-shmobile/clock.c
index ad7df629d995..e7232a0373b9 100644
--- a/arch/arm/mach-shmobile/clock.c
+++ b/arch/arm/mach-shmobile/clock.c
@@ -21,6 +21,32 @@
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
+
+#ifdef CONFIG_COMMON_CLK
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <mach/clock.h>
+
+void __init shmobile_clk_workaround(const struct clk_name *clks,
+                                    int nr_clks, bool enable)
+{
+        const struct clk_name *clkn;
+        struct clk *clk;
+        unsigned int i;
+
+        for (i = 0; i < nr_clks; ++i) {
+                clkn = clks + i;
+                clk = clk_get(NULL, clkn->clk);
+                if (!IS_ERR(clk)) {
+                        clk_register_clkdev(clk, clkn->con_id, clkn->dev_id);
+                        if (enable)
+                                clk_prepare_enable(clk);
+                        clk_put(clk);
+                }
+        }
+}
+
+#else /* CONFIG_COMMON_CLK */
 #include <linux/sh_clk.h>
 #include <linux/export.h>
 #include <mach/clock.h>
@@ -58,3 +84,5 @@ void __clk_put(struct clk *clk)
 {
 }
 EXPORT_SYMBOL(__clk_put);
+
+#endif /* CONFIG_COMMON_CLK */
diff --git a/arch/arm/mach-shmobile/include/mach/clock.h b/arch/arm/mach-shmobile/include/mach/clock.h
index 03e56074928c..9a93cf924b9c 100644
--- a/arch/arm/mach-shmobile/include/mach/clock.h
+++ b/arch/arm/mach-shmobile/include/mach/clock.h
@@ -1,6 +1,21 @@
 #ifndef CLOCK_H
 #define CLOCK_H
 
+#ifdef CONFIG_COMMON_CLK
+/* temporary clock configuration helper for platform devices */
+
+struct clk_name {
+        const char *clk;
+        const char *con_id;
+        const char *dev_id;
+};
+
+void shmobile_clk_workaround(const struct clk_name *clks, int nr_clks,
+                             bool enable);
+
+#else /* CONFIG_COMMON_CLK */
+/* legacy clock implementation */
+
 unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk);
 extern struct sh_clk_ops shmobile_fixed_ratio_clk_ops;
 
@@ -36,4 +51,5 @@ do {			\
         (p)->div = d;   \
 } while (0)
 
+#endif /* CONFIG_COMMON_CLK */
 #endif