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author | Padmavathi Venna <padma.v@samsung.com> | 2015-01-13 16:57:41 +0530 |
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committer | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2015-01-15 15:11:40 +0100 |
commit | ee74b56ab2f72c088fc5a8ba3797ef6a452d692a (patch) | |
tree | 684418362c9eb12c633ec4eeb645ed452e67482b /drivers/clk | |
parent | 9cc2a0c95ff3f815deeba1ccd0d11b1d3bc46551 (diff) | |
download | op-kernel-dev-ee74b56ab2f72c088fc5a8ba3797ef6a452d692a.zip op-kernel-dev-ee74b56ab2f72c088fc5a8ba3797ef6a452d692a.tar.gz |
clk: samsung: exynos7: add clocks for SPI block
Add clock support for 5 SPI channels.
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/samsung/clk-exynos7.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c index d01d766..d40c09d 100644 --- a/drivers/clk/samsung/clk-exynos7.c +++ b/drivers/clk/samsung/clk-exynos7.c @@ -177,9 +177,15 @@ CLK_OF_DECLARE(exynos7_clk_topc, "samsung,exynos7-clock-topc", #define MUX_SEL_TOP00 0x0200 #define MUX_SEL_TOP01 0x0204 #define MUX_SEL_TOP03 0x020C +#define MUX_SEL_TOP0_PERIC1 0x0234 +#define MUX_SEL_TOP0_PERIC2 0x0238 #define MUX_SEL_TOP0_PERIC3 0x023C #define DIV_TOP03 0x060C +#define DIV_TOP0_PERIC1 0x0634 +#define DIV_TOP0_PERIC2 0x0638 #define DIV_TOP0_PERIC3 0x063C +#define ENABLE_SCLK_TOP0_PERIC1 0x0A34 +#define ENABLE_SCLK_TOP0_PERIC2 0x0A38 #define ENABLE_SCLK_TOP0_PERIC3 0x0A3C /* List of parent clocks for Muxes in CMU_TOP0 */ @@ -205,9 +211,15 @@ static unsigned long top0_clk_regs[] __initdata = { MUX_SEL_TOP00, MUX_SEL_TOP01, MUX_SEL_TOP03, + MUX_SEL_TOP0_PERIC1, + MUX_SEL_TOP0_PERIC2, MUX_SEL_TOP0_PERIC3, DIV_TOP03, + DIV_TOP0_PERIC1, + DIV_TOP0_PERIC2, DIV_TOP0_PERIC3, + ENABLE_SCLK_TOP0_PERIC1, + ENABLE_SCLK_TOP0_PERIC2, ENABLE_SCLK_TOP0_PERIC3, }; @@ -229,10 +241,16 @@ static struct samsung_mux_clock top0_mux_clks[] __initdata = { MUX(0, "mout_aclk_peric1_66", mout_top0_group1, MUX_SEL_TOP03, 12, 2), MUX(0, "mout_aclk_peric0_66", mout_top0_group1, MUX_SEL_TOP03, 20, 2), + MUX(0, "mout_sclk_spi1", mout_top0_group1, MUX_SEL_TOP0_PERIC1, 8, 2), + MUX(0, "mout_sclk_spi0", mout_top0_group1, MUX_SEL_TOP0_PERIC1, 20, 2), + + MUX(0, "mout_sclk_spi3", mout_top0_group1, MUX_SEL_TOP0_PERIC2, 8, 2), + MUX(0, "mout_sclk_spi2", mout_top0_group1, MUX_SEL_TOP0_PERIC2, 20, 2), MUX(0, "mout_sclk_uart3", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 4, 2), MUX(0, "mout_sclk_uart2", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 8, 2), MUX(0, "mout_sclk_uart1", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 12, 2), MUX(0, "mout_sclk_uart0", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 16, 2), + MUX(0, "mout_sclk_spi4", mout_top0_group1, MUX_SEL_TOP0_PERIC3, 20, 2), }; static struct samsung_div_clock top0_div_clks[] __initdata = { @@ -241,13 +259,29 @@ static struct samsung_div_clock top0_div_clks[] __initdata = { DIV(DOUT_ACLK_PERIC0, "dout_aclk_peric0_66", "mout_aclk_peric0_66", DIV_TOP03, 20, 6), + DIV(0, "dout_sclk_spi1", "mout_sclk_spi1", DIV_TOP0_PERIC1, 8, 12), + DIV(0, "dout_sclk_spi0", "mout_sclk_spi0", DIV_TOP0_PERIC1, 20, 12), + + DIV(0, "dout_sclk_spi3", "mout_sclk_spi3", DIV_TOP0_PERIC2, 8, 12), + DIV(0, "dout_sclk_spi2", "mout_sclk_spi2", DIV_TOP0_PERIC2, 20, 12), + DIV(0, "dout_sclk_uart3", "mout_sclk_uart3", DIV_TOP0_PERIC3, 4, 4), DIV(0, "dout_sclk_uart2", "mout_sclk_uart2", DIV_TOP0_PERIC3, 8, 4), DIV(0, "dout_sclk_uart1", "mout_sclk_uart1", DIV_TOP0_PERIC3, 12, 4), DIV(0, "dout_sclk_uart0", "mout_sclk_uart0", DIV_TOP0_PERIC3, 16, 4), + DIV(0, "dout_sclk_spi4", "mout_sclk_spi4", DIV_TOP0_PERIC3, 20, 12), }; static struct samsung_gate_clock top0_gate_clks[] __initdata = { + GATE(CLK_SCLK_SPI1, "sclk_spi1", "dout_sclk_spi1", + ENABLE_SCLK_TOP0_PERIC1, 8, CLK_SET_RATE_PARENT, 0), + GATE(CLK_SCLK_SPI0, "sclk_spi0", "dout_sclk_spi0", + ENABLE_SCLK_TOP0_PERIC1, 20, CLK_SET_RATE_PARENT, 0), + + GATE(CLK_SCLK_SPI3, "sclk_spi3", "dout_sclk_spi3", + ENABLE_SCLK_TOP0_PERIC2, 8, CLK_SET_RATE_PARENT, 0), + GATE(CLK_SCLK_SPI2, "sclk_spi2", "dout_sclk_spi2", + ENABLE_SCLK_TOP0_PERIC2, 20, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_UART3, "sclk_uart3", "dout_sclk_uart3", ENABLE_SCLK_TOP0_PERIC3, 4, 0, 0), GATE(CLK_SCLK_UART2, "sclk_uart2", "dout_sclk_uart2", @@ -256,6 +290,8 @@ static struct samsung_gate_clock top0_gate_clks[] __initdata = { ENABLE_SCLK_TOP0_PERIC3, 12, 0, 0), GATE(CLK_SCLK_UART0, "sclk_uart0", "dout_sclk_uart0", ENABLE_SCLK_TOP0_PERIC3, 16, 0, 0), + GATE(CLK_SCLK_SPI4, "sclk_spi4", "dout_sclk_spi4", + ENABLE_SCLK_TOP0_PERIC3, 20, CLK_SET_RATE_PARENT, 0), }; static struct samsung_fixed_factor_clock top0_fixed_factor_clks[] __initdata = { @@ -531,6 +567,7 @@ static void __init exynos7_clk_peric0_init(struct device_node *np) /* Register Offset definitions for CMU_PERIC1 (0x14C80000) */ #define MUX_SEL_PERIC10 0x0200 #define MUX_SEL_PERIC11 0x0204 +#define MUX_SEL_PERIC12 0x0208 #define ENABLE_PCLK_PERIC1 0x0900 #define ENABLE_SCLK_PERIC10 0x0A00 @@ -542,10 +579,16 @@ PNAME(mout_aclk_peric1_66_p) = { "fin_pll", "dout_aclk_peric1_66" }; PNAME(mout_sclk_uart1_p) = { "fin_pll", "sclk_uart1" }; PNAME(mout_sclk_uart2_p) = { "fin_pll", "sclk_uart2" }; PNAME(mout_sclk_uart3_p) = { "fin_pll", "sclk_uart3" }; +PNAME(mout_sclk_spi0_p) = { "fin_pll", "sclk_spi0" }; +PNAME(mout_sclk_spi1_p) = { "fin_pll", "sclk_spi1" }; +PNAME(mout_sclk_spi2_p) = { "fin_pll", "sclk_spi2" }; +PNAME(mout_sclk_spi3_p) = { "fin_pll", "sclk_spi3" }; +PNAME(mout_sclk_spi4_p) = { "fin_pll", "sclk_spi4" }; static unsigned long peric1_clk_regs[] __initdata = { MUX_SEL_PERIC10, MUX_SEL_PERIC11, + MUX_SEL_PERIC12, ENABLE_PCLK_PERIC1, ENABLE_SCLK_PERIC10, }; @@ -554,6 +597,16 @@ static struct samsung_mux_clock peric1_mux_clks[] __initdata = { MUX(0, "mout_aclk_peric1_66_user", mout_aclk_peric1_66_p, MUX_SEL_PERIC10, 0, 1), + MUX_F(0, "mout_sclk_spi0_user", mout_sclk_spi0_p, + MUX_SEL_PERIC11, 0, 1, CLK_SET_RATE_PARENT, 0), + MUX_F(0, "mout_sclk_spi1_user", mout_sclk_spi1_p, + MUX_SEL_PERIC11, 4, 1, CLK_SET_RATE_PARENT, 0), + MUX_F(0, "mout_sclk_spi2_user", mout_sclk_spi2_p, + MUX_SEL_PERIC11, 8, 1, CLK_SET_RATE_PARENT, 0), + MUX_F(0, "mout_sclk_spi3_user", mout_sclk_spi3_p, + MUX_SEL_PERIC11, 12, 1, CLK_SET_RATE_PARENT, 0), + MUX_F(0, "mout_sclk_spi4_user", mout_sclk_spi4_p, + MUX_SEL_PERIC11, 16, 1, CLK_SET_RATE_PARENT, 0), MUX(0, "mout_sclk_uart1_user", mout_sclk_uart1_p, MUX_SEL_PERIC11, 20, 1), MUX(0, "mout_sclk_uart2_user", mout_sclk_uart2_p, @@ -579,6 +632,16 @@ static struct samsung_gate_clock peric1_gate_clks[] __initdata = { ENABLE_PCLK_PERIC1, 10, 0, 0), GATE(PCLK_UART3, "pclk_uart3", "mout_aclk_peric1_66_user", ENABLE_PCLK_PERIC1, 11, 0, 0), + GATE(PCLK_SPI0, "pclk_spi0", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 12, 0, 0), + GATE(PCLK_SPI1, "pclk_spi1", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 13, 0, 0), + GATE(PCLK_SPI2, "pclk_spi2", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 14, 0, 0), + GATE(PCLK_SPI3, "pclk_spi3", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 15, 0, 0), + GATE(PCLK_SPI4, "pclk_spi4", "mout_aclk_peric1_66_user", + ENABLE_PCLK_PERIC1, 16, 0, 0), GATE(SCLK_UART1, "sclk_uart1_user", "mout_sclk_uart1_user", ENABLE_SCLK_PERIC10, 9, 0, 0), @@ -586,6 +649,16 @@ static struct samsung_gate_clock peric1_gate_clks[] __initdata = { ENABLE_SCLK_PERIC10, 10, 0, 0), GATE(SCLK_UART3, "sclk_uart3_user", "mout_sclk_uart3_user", ENABLE_SCLK_PERIC10, 11, 0, 0), + GATE(SCLK_SPI0, "sclk_spi0_user", "mout_sclk_spi0_user", + ENABLE_SCLK_PERIC10, 12, CLK_SET_RATE_PARENT, 0), + GATE(SCLK_SPI1, "sclk_spi1_user", "mout_sclk_spi1_user", + ENABLE_SCLK_PERIC10, 13, CLK_SET_RATE_PARENT, 0), + GATE(SCLK_SPI2, "sclk_spi2_user", "mout_sclk_spi2_user", + ENABLE_SCLK_PERIC10, 14, CLK_SET_RATE_PARENT, 0), + GATE(SCLK_SPI3, "sclk_spi3_user", "mout_sclk_spi3_user", + ENABLE_SCLK_PERIC10, 15, CLK_SET_RATE_PARENT, 0), + GATE(SCLK_SPI4, "sclk_spi4_user", "mout_sclk_spi4_user", + ENABLE_SCLK_PERIC10, 16, CLK_SET_RATE_PARENT, 0), }; static struct samsung_cmu_info peric1_cmu_info __initdata = { |