From b452dfe92f651601d04d7b122d5b96e74d7ae030 Mon Sep 17 00:00:00 2001 From: Chris Brandt Date: Thu, 1 Sep 2016 22:32:25 -0400 Subject: clk: renesas: rz: Select EXTAL vs USB clock Check the MD_CLK pin to determine the current clock mode in order to set the pll clock parent correctly. Signed-off-by: Chris Brandt Signed-off-by: Geert Uytterhoeven diff --git a/drivers/clk/renesas/clk-rz.c b/drivers/clk/renesas/clk-rz.c index f6312c6..5adb934 100644 --- a/drivers/clk/renesas/clk-rz.c +++ b/drivers/clk/renesas/clk-rz.c @@ -25,10 +25,31 @@ struct rz_cpg { #define CPG_FRQCR 0x10 #define CPG_FRQCR2 0x14 +#define PPR0 0xFCFE3200 +#define PIBC0 0xFCFE7000 + +#define MD_CLK(x) ((x >> 2) & 1) /* P0_2 */ + /* ----------------------------------------------------------------------------- * Initialization */ +static u16 __init rz_cpg_read_mode_pins(void) +{ + void __iomem *ppr0, *pibc0; + u16 modes; + + ppr0 = ioremap_nocache(PPR0, 2); + pibc0 = ioremap_nocache(PIBC0, 2); + BUG_ON(!ppr0 || !pibc0); + iowrite16(4, pibc0); /* enable input buffer */ + modes = ioread16(ppr0); + iounmap(ppr0); + iounmap(pibc0); + + return modes; +} + static struct clk * __init rz_cpg_register_clock(struct device_node *np, struct rz_cpg *cpg, const char *name) { @@ -37,8 +58,7 @@ rz_cpg_register_clock(struct device_node *np, struct rz_cpg *cpg, const char *na static const unsigned frqcr_tab[4] = { 3, 2, 0, 1 }; if (strcmp(name, "pll") == 0) { - /* FIXME: cpg_mode should be read from GPIO. But no GPIO support yet */ - unsigned cpg_mode = 0; /* hardcoded to EXTAL for now */ + unsigned int cpg_mode = MD_CLK(rz_cpg_read_mode_pins()); const char *parent_name = of_clk_get_parent_name(np, cpg_mode); mult = cpg_mode ? (32 / 4) : 30; -- cgit v0.10.2 From 5086b0d6ce619350050b270ea009025e587eceb4 Mon Sep 17 00:00:00 2001 From: Khiem Nguyen Date: Sat, 3 Sep 2016 06:06:49 +0000 Subject: clk: renesas: r8a7796: Add THS/TSC clock Signed-off-by: Khiem Nguyen Signed-off-by: Geert Uytterhoeven diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index 891b353..271fc3b 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -116,6 +116,7 @@ static const struct mssr_mod_clk r8a7796_mod_clks[] __initconst = { DEF_MOD("sdif0", 314, R8A7796_CLK_SD0), DEF_MOD("rwdt0", 402, R8A7796_CLK_R), DEF_MOD("intc-ap", 408, R8A7796_CLK_S3D1), + DEF_MOD("thermal", 522, R8A7796_CLK_CP), DEF_MOD("gpio7", 905, R8A7796_CLK_S3D4), DEF_MOD("gpio6", 906, R8A7796_CLK_S3D4), DEF_MOD("gpio5", 907, R8A7796_CLK_S3D4), -- cgit v0.10.2 From 5576df81d28d46b603e5af10d1d0e1c7cc93a4bc Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 6 Sep 2016 16:57:30 +0300 Subject: clk: renesas: r8a7796: Add RAVB clock Signed-off-by: Laurent Pinchart Signed-off-by: Geert Uytterhoeven diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index 271fc3b..8b69f70 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -117,6 +117,7 @@ static const struct mssr_mod_clk r8a7796_mod_clks[] __initconst = { DEF_MOD("rwdt0", 402, R8A7796_CLK_R), DEF_MOD("intc-ap", 408, R8A7796_CLK_S3D1), DEF_MOD("thermal", 522, R8A7796_CLK_CP), + DEF_MOD("etheravb", 812, R8A7796_CLK_S0D6), DEF_MOD("gpio7", 905, R8A7796_CLK_S3D4), DEF_MOD("gpio6", 906, R8A7796_CLK_S3D4), DEF_MOD("gpio5", 907, R8A7796_CLK_S3D4), -- cgit v0.10.2 From 591d7b145a57dd9e8354fa776b0d9f678e2cda8c Mon Sep 17 00:00:00 2001 From: Bui Duc Phuc Date: Fri, 9 Sep 2016 20:43:10 +0900 Subject: clk: renesas: r8a7795: Add CMT clocks This patch adds CMT module clocks for r8a7795 SoC. Signed-off-by: Bui Duc Phuc Signed-off-by: Geert Uytterhoeven diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index d359c92..61d061d 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -122,6 +122,10 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = { DEF_MOD("sys-dmac2", 217, R8A7795_CLK_S3D1), DEF_MOD("sys-dmac1", 218, R8A7795_CLK_S3D1), DEF_MOD("sys-dmac0", 219, R8A7795_CLK_S3D1), + DEF_MOD("cmt3", 300, R8A7795_CLK_R), + DEF_MOD("cmt2", 301, R8A7795_CLK_R), + DEF_MOD("cmt1", 302, R8A7795_CLK_R), + DEF_MOD("cmt0", 303, R8A7795_CLK_R), DEF_MOD("scif2", 310, R8A7795_CLK_S3D4), DEF_MOD("sdif3", 311, R8A7795_CLK_SD3), DEF_MOD("sdif2", 312, R8A7795_CLK_SD2), -- cgit v0.10.2 From 5fad71f58f4c236118358c98f65a7251e9c718f7 Mon Sep 17 00:00:00 2001 From: Bui Duc Phuc Date: Fri, 9 Sep 2016 20:43:11 +0900 Subject: clk: renesas: r8a7796: Add CMT clocks This patch adds CMT module clocks for r8a7796 SoC. Signed-off-by: Bui Duc Phuc Signed-off-by: Geert Uytterhoeven diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index 8b69f70..eb347ed 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -109,6 +109,10 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { }; static const struct mssr_mod_clk r8a7796_mod_clks[] __initconst = { + DEF_MOD("cmt3", 300, R8A7796_CLK_R), + DEF_MOD("cmt2", 301, R8A7796_CLK_R), + DEF_MOD("cmt1", 302, R8A7796_CLK_R), + DEF_MOD("cmt0", 303, R8A7796_CLK_R), DEF_MOD("scif2", 310, R8A7796_CLK_S3D4), DEF_MOD("sdif3", 311, R8A7796_CLK_SD3), DEF_MOD("sdif2", 312, R8A7796_CLK_SD2), -- cgit v0.10.2