[PATCH v5 02/15] clk: exynos5420: add clocks for ISP block
From: Shaik Ameer Basha <hidden>
Date: 2014-05-08 11:27:51
Also in:
linux-devicetree, linux-samsung-soc
Subsystem:
common clk framework, open firmware and flattened device tree bindings, samsung soc clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Sylwester Nawrocki, Chanwoo Choi, Peter Griffin, Linus Torvalds
This patch adds minimum set of clocks to gate ISP block for power saving. Signed-off-by: Rahul Sharma <redacted> Signed-off-by: Shaik Ameer Basha <redacted> --- drivers/clk/samsung/clk-exynos5420.c | 86 ++++++++++++++++++++++++++++++++ include/dt-bindings/clock/exynos5420.h | 7 +++ 2 files changed, 93 insertions(+)
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index 831670d..9f77d56 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c@@ -56,6 +56,7 @@ #define SRC_FSYS 0x10244 #define SRC_PERIC0 0x10250 #define SRC_PERIC1 0x10254 +#define SRC_ISP 0x10270 #define SRC_TOP10 0x10280 #define SRC_TOP11 0x10284 #define SRC_TOP12 0x10288
@@ -76,12 +77,15 @@ #define DIV_PERIC2 0x10560 #define DIV_PERIC3 0x10564 #define DIV_PERIC4 0x10568 +#define SCLK_DIV_ISP0 0x10580 +#define SCLK_DIV_ISP1 0x10584 #define GATE_BUS_TOP 0x10700 #define GATE_BUS_FSYS0 0x10740 #define GATE_BUS_PERIC 0x10750 #define GATE_BUS_PERIC1 0x10754 #define GATE_BUS_PERIS0 0x10760 #define GATE_BUS_PERIS1 0x10764 +#define GATE_TOP_SCLK_ISP 0x10870 #define GATE_IP_GSCL0 0x10910 #define GATE_IP_GSCL1 0x10920 #define GATE_IP_MFC 0x1092c
@@ -144,6 +148,7 @@ static unsigned long exynos5420_clk_regs[] __initdata = { SRC_MASK_FSYS, SRC_MASK_PERIC0, SRC_MASK_PERIC1, + SRC_ISP, DIV_TOP0, DIV_TOP1, DIV_TOP2,
@@ -157,12 +162,15 @@ static unsigned long exynos5420_clk_regs[] __initdata = { DIV_PERIC2, DIV_PERIC3, DIV_PERIC4, + SCLK_DIV_ISP0, + SCLK_DIV_ISP1, GATE_BUS_TOP, GATE_BUS_FSYS0, GATE_BUS_PERIC, GATE_BUS_PERIC1, GATE_BUS_PERIS0, GATE_BUS_PERIS1, + GATE_TOP_SCLK_ISP, GATE_IP_GSCL0, GATE_IP_GSCL1, GATE_IP_MFC,
@@ -249,6 +257,15 @@ PNAME(mout_user_aclk200_fsys_p) = {"fin_pll", "mout_sw_aclk200_fsys"}; PNAME(mout_sw_aclk200_fsys2_p) = {"dout_aclk200_fsys2", "mout_sclk_spll"}; PNAME(mout_user_aclk200_fsys2_p) = {"fin_pll", "mout_sw_aclk200_fsys2"}; +PNAME(mout_sw_aclk400_isp_p) = {"dout_aclk400_isp", "mout_sclk_spll"}; +PNAME(mout_user_aclk400_isp_p) = {"fin_pll", "mout_sw_aclk400_isp"}; + +PNAME(mout_sw_aclk333_432_isp0_p) = {"dout_aclk333_432_isp0", + "mout_sclk_spll"}; +PNAME(mout_user_aclk333_432_isp0_p) = {"fin_pll", "mout_sw_aclk333_432_isp0"}; + +PNAME(mout_sw_aclk333_432_isp_p) = {"dout_aclk333_432_isp", "mout_sclk_spll"}; +PNAME(mout_user_aclk333_432_isp_p) = {"fin_pll", "mout_sw_aclk333_432_isp"}; PNAME(mout_sw_aclk200_p) = {"dout_aclk200", "mout_sclk_spll"}; PNAME(mout_aclk200_disp1_p) = {"fin_pll", "mout_sw_aclk200"};
@@ -264,6 +281,7 @@ PNAME(mout_user_aclk166_p) = {"fin_pll", "mout_sw_aclk166"}; PNAME(mout_sw_aclk266_p) = {"dout_aclk266", "mout_sclk_spll"}; PNAME(mout_user_aclk266_p) = {"fin_pll", "mout_sw_aclk266"}; +PNAME(mout_user_aclk266_isp_p) = {"fin_pll", "mout_sw_aclk266"}; PNAME(mout_sw_aclk333_432_gscl_p) = {"dout_aclk333_432_gscl", "mout_sclk_spll"}; PNAME(mout_user_aclk333_432_gscl_p) = {"fin_pll", "mout_sw_aclk333_432_gscl"};
@@ -331,6 +349,7 @@ static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = { MUX(0, "sclk_bpll", mout_bpll_p, SRC_CDREX, 0, 1), + MUX(0, "mout_aclk400_isp", mout_group1_p, SRC_TOP0, 0, 2), MUX_A(0, "mout_aclk400_mscl", mout_group1_p, SRC_TOP0, 4, 2, "aclk400_mscl"), MUX(0, "mout_aclk200", mout_group1_p, SRC_TOP0, 8, 2),
@@ -338,7 +357,10 @@ static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = { MUX(0, "mout_aclk200_fsys", mout_group1_p, SRC_TOP0, 28, 2), MUX(0, "mout_aclk333_432_gscl", mout_group4_p, SRC_TOP1, 0, 2), + MUX(0, "mout_aclk333_432_isp", mout_group4_p, + SRC_TOP1, 4, 2), MUX(0, "mout_aclk66", mout_group1_p, SRC_TOP1, 8, 2), + MUX(0, "mout_aclk333_432_isp0", mout_group4_p, SRC_TOP1, 12, 2), MUX(0, "mout_aclk266", mout_group1_p, SRC_TOP1, 20, 2), MUX(0, "mout_aclk166", mout_group1_p, SRC_TOP1, 24, 2), MUX(0, "mout_aclk333", mout_group1_p, SRC_TOP1, 28, 2),
@@ -350,6 +372,8 @@ static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = { MUX(0, "mout_aclk300_disp1", mout_group1_p, SRC_TOP2, 24, 2), MUX(0, "mout_aclk300_gscl", mout_group1_p, SRC_TOP2, 28, 2), + MUX(0, "mout_user_aclk400_isp", mout_user_aclk400_isp_p, + SRC_TOP3, 0, 1), MUX(0, "mout_user_aclk400_mscl", mout_user_aclk400_mscl_p, SRC_TOP3, 4, 1), MUX(0, "mout_aclk200_disp1", mout_aclk200_disp1_p, SRC_TOP3, 8, 1),
@@ -360,7 +384,13 @@ static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = { MUX(0, "mout_user_aclk333_432_gscl", mout_user_aclk333_432_gscl_p, SRC_TOP4, 0, 1), + MUX(0, "mout_user_aclk333_432_isp", mout_user_aclk333_432_isp_p, + SRC_TOP4, 4, 1), MUX(0, "mout_aclk66_peric", mout_aclk66_peric_p, SRC_TOP4, 8, 1), + MUX(0, "mout_user_aclk333_432_isp0", mout_user_aclk333_432_isp0_p, + SRC_TOP4, 12, 1), + MUX(0, "mout_user_aclk266_isp", mout_user_aclk266_isp_p, + SRC_TOP4, 16, 1), MUX(0, "mout_user_aclk266", mout_user_aclk266_p, SRC_TOP4, 20, 1), MUX(0, "mout_user_aclk166", mout_user_aclk166_p, SRC_TOP4, 24, 1), MUX(0, "mout_user_aclk333", mout_user_aclk333_p, SRC_TOP4, 28, 1),
@@ -388,6 +418,8 @@ static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = { MUX(0, "mout_sclk_dpll", mout_dpll_p, SRC_TOP6, 24, 1), MUX(0, "mout_sclk_cpll", mout_cpll_p, SRC_TOP6, 28, 1), + MUX(0, "mout_sw_aclk400_isp", mout_sw_aclk400_isp_p, + SRC_TOP10, 0, 1), MUX(0, "mout_sw_aclk400_mscl", mout_sw_aclk400_mscl_p, SRC_TOP10, 4, 1), MUX(0, "mout_sw_aclk200", mout_sw_aclk200_p, SRC_TOP10, 8, 1),
@@ -395,9 +427,14 @@ static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = { SRC_TOP10, 12, 1), MUX(0, "mout_sw_aclk200_fsys", mout_sw_aclk200_fsys_p, SRC_TOP10, 28, 1), + MUX(0, "mout_sw_aclk333_432_gscl", mout_sw_aclk333_432_gscl_p, SRC_TOP11, 0, 1), + MUX(0, "mout_sw_aclk333_432_isp", mout_sw_aclk333_432_isp_p, + SRC_TOP11, 4, 1), MUX(0, "mout_sw_aclk66", mout_sw_aclk66_p, SRC_TOP11, 8, 1), + MUX(0, "mout_sw_aclk333_432_isp0", mout_sw_aclk333_432_isp0_p, + SRC_TOP11, 12, 1), MUX(0, "mout_sw_aclk266", mout_sw_aclk266_p, SRC_TOP11, 20, 1), MUX(0, "mout_sw_aclk166", mout_sw_aclk166_p, SRC_TOP11, 24, 1), MUX(0, "mout_sw_aclk333", mout_sw_aclk333_p, SRC_TOP11, 28, 1),
@@ -445,6 +482,13 @@ static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = { MUX(0, "mout_spi0", mout_group2_p, SRC_PERIC1, 20, 3), MUX(0, "mout_spi1", mout_group2_p, SRC_PERIC1, 24, 3), MUX(0, "mout_spi2", mout_group2_p, SRC_PERIC1, 28, 3), + + /* ISP Block */ + MUX(0, "mout_pwm_isp", mout_group2_p, SRC_ISP, 24, 3), + MUX(0, "mout_uart_isp", mout_group2_p, SRC_ISP, 20, 3), + MUX(0, "mout_spi0_isp", mout_group2_p, SRC_ISP, 12, 3), + MUX(0, "mout_spi1_isp", mout_group2_p, SRC_ISP, 16, 3), + MUX(0, "mout_isp_sensor", mout_group2_p, SRC_ISP, 28, 3), }; static struct samsung_div_clock exynos5420_div_clks[] __initdata = {
@@ -454,6 +498,7 @@ static struct samsung_div_clock exynos5420_div_clks[] __initdata = { DIV(0, "div_kfc", "mout_kfc", DIV_KFC0, 0, 3), DIV(0, "sclk_kpll", "mout_kpll", DIV_KFC0, 24, 3), + DIV(0, "dout_aclk400_isp", "mout_aclk400_isp", DIV_TOP0, 0, 3), DIV(0, "dout_aclk400_mscl", "mout_aclk400_mscl", DIV_TOP0, 4, 3), DIV(0, "dout_aclk200", "mout_aclk200", DIV_TOP0, 8, 3), DIV(0, "dout_aclk200_fsys2", "mout_aclk200_fsys2", DIV_TOP0, 12, 3),
@@ -462,7 +507,11 @@ static struct samsung_div_clock exynos5420_div_clks[] __initdata = { DIV(0, "dout_aclk333_432_gscl", "mout_aclk333_432_gscl", DIV_TOP1, 0, 3), + DIV(0, "dout_aclk333_432_isp", "mout_aclk333_432_isp", + DIV_TOP1, 4, 3), DIV(0, "dout_aclk66", "mout_aclk66", DIV_TOP1, 8, 6), + DIV(0, "dout_aclk333_432_isp0", "mout_aclk333_432_isp0", + DIV_TOP1, 16, 3), DIV(0, "dout_aclk266", "mout_aclk266", DIV_TOP1, 20, 3), DIV(0, "dout_aclk166", "mout_aclk166", DIV_TOP1, 24, 3), DIV(0, "dout_aclk333", "mout_aclk333", DIV_TOP1, 28, 3),
@@ -525,6 +574,19 @@ static struct samsung_div_clock exynos5420_div_clks[] __initdata = { DIV(0, "dout_pre_spi0", "dout_spi0", DIV_PERIC4, 8, 8), DIV(0, "dout_pre_spi1", "dout_spi1", DIV_PERIC4, 16, 8), DIV(0, "dout_pre_spi2", "dout_spi2", DIV_PERIC4, 24, 8), + + /* ISP Block */ + DIV(0, "dout_isp_sensor0", "mout_isp_sensor", SCLK_DIV_ISP0, 8, 8), + DIV(0, "dout_isp_sensor1", "mout_isp_sensor", SCLK_DIV_ISP0, 16, 8), + DIV(0, "dout_isp_sensor2", "mout_isp_sensor", SCLK_DIV_ISP0, 24, 8), + DIV(0, "dout_pwm_isp", "mout_pwm_isp", SCLK_DIV_ISP1, 28, 4), + DIV(0, "dout_uart_isp", "mout_uart_isp", SCLK_DIV_ISP1, 24, 4), + DIV(0, "dout_spi0_isp", "mout_spi0_isp", SCLK_DIV_ISP1, 16, 4), + DIV(0, "dout_spi1_isp", "mout_spi1_isp", SCLK_DIV_ISP1, 20, 4), + DIV_F(0, "dout_spi0_isp_pre", "dout_spi0_isp", SCLK_DIV_ISP1, 0, 8, + CLK_SET_RATE_PARENT, 0), + DIV_F(0, "dout_spi1_isp_pre", "dout_spi1_isp", SCLK_DIV_ISP1, 8, 8, + CLK_SET_RATE_PARENT, 0), }; static struct samsung_gate_clock exynos5420_gate_clks[] __initdata = {
@@ -543,20 +605,28 @@ static struct samsung_gate_clock exynos5420_gate_clks[] __initdata = { GATE_BUS_TOP, 1, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk300_jpeg", "mout_user_aclk300_jpeg", GATE_BUS_TOP, 4, CLK_IGNORE_UNUSED, 0), + GATE(0, "aclk333_432_isp0", "mout_user_aclk333_432_isp0", + GATE_BUS_TOP, 5, 0, 0), GATE(0, "aclk300_gscl", "mout_user_aclk300_gscl", GATE_BUS_TOP, 6, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk333_432_gscl", "mout_user_aclk333_432_gscl", GATE_BUS_TOP, 7, CLK_IGNORE_UNUSED, 0), + GATE(0, "aclk333_432_isp", "mout_user_aclk333_432_isp", + GATE_BUS_TOP, 8, 0, 0), GATE(0, "pclk66_gpio", "mout_sw_aclk66", GATE_BUS_TOP, 9, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk66_psgen", "mout_aclk66_psgen", GATE_BUS_TOP, 10, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk66_peric", "mout_aclk66_peric", GATE_BUS_TOP, 11, 0, 0), + GATE(0, "aclk266_isp", "mout_user_aclk266_isp", + GATE_BUS_TOP, 13, 0, 0), GATE(0, "aclk166", "mout_user_aclk166", GATE_BUS_TOP, 14, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk333", "mout_aclk333", GATE_BUS_TOP, 15, CLK_IGNORE_UNUSED, 0), + GATE(0, "aclk400_isp", "mout_user_aclk400_isp", + GATE_BUS_TOP, 16, 0, 0), /* sclk */ GATE(CLK_SCLK_UART0, "sclk_uart0", "dout_uart0",
@@ -731,6 +801,22 @@ static struct samsung_gate_clock exynos5420_gate_clks[] __initdata = { GATE(CLK_SMMU_FIMD1, "smmu_fimd1", "aclk300_disp1", GATE_IP_DISP1, 8, 0, 0), + /* ISP */ + GATE(CLK_SCLK_UART_ISP, "sclk_uart_isp", "dout_uart_isp", + GATE_TOP_SCLK_ISP, 0, CLK_SET_RATE_PARENT, 0), + GATE(CLK_SCLK_SPI0_ISP, "sclk_spi0_isp", "dout_spi0_isp_pre", + GATE_TOP_SCLK_ISP, 1, CLK_SET_RATE_PARENT, 0), + GATE(CLK_SCLK_SPI1_ISP, "sclk_spi1_isp", "dout_spi1_isp_pre", + GATE_TOP_SCLK_ISP, 2, CLK_SET_RATE_PARENT, 0), + GATE(CLK_SCLK_PWM_ISP, "sclk_pwm_isp", "dout_pwm_isp", + GATE_TOP_SCLK_ISP, 3, CLK_SET_RATE_PARENT, 0), + GATE(CLK_SCLK_ISP_SENSOR0, "sclk_isp_sensor0", "dout_isp_sensor0", + GATE_TOP_SCLK_ISP, 4, CLK_SET_RATE_PARENT, 0), + GATE(CLK_SCLK_ISP_SENSOR1, "sclk_isp_sensor1", "dout_isp_sensor1", + GATE_TOP_SCLK_ISP, 8, CLK_SET_RATE_PARENT, 0), + GATE(CLK_SCLK_ISP_SENSOR2, "sclk_isp_sensor2", "dout_isp_sensor2", + GATE_TOP_SCLK_ISP, 12, CLK_SET_RATE_PARENT, 0), + GATE(CLK_MFC, "mfc", "aclk333", GATE_IP_MFC, 0, 0, 0), GATE(CLK_SMMU_MFCL, "smmu_mfcl", "aclk333", GATE_IP_MFC, 1, 0, 0), GATE(CLK_SMMU_MFCR, "smmu_mfcr", "aclk333", GATE_IP_MFC, 2, 0, 0),
diff --git a/include/dt-bindings/clock/exynos5420.h b/include/dt-bindings/clock/exynos5420.h
index 54db8b3..bddf549 100644
--- a/include/dt-bindings/clock/exynos5420.h
+++ b/include/dt-bindings/clock/exynos5420.h@@ -175,6 +175,13 @@ #define CLK_ACLK_G3D 500 #define CLK_G3D 501 #define CLK_SMMU_MIXER 502 +#define CLK_SCLK_UART_ISP 510 +#define CLK_SCLK_SPI0_ISP 511 +#define CLK_SCLK_SPI1_ISP 512 +#define CLK_SCLK_PWM_ISP 513 +#define CLK_SCLK_ISP_SENSOR0 514 +#define CLK_SCLK_ISP_SENSOR1 515 +#define CLK_SCLK_ISP_SENSOR2 516 /* mux clocks */ #define CLK_MOUT_HDMI 640
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1.7.9.5