[PATCH 2/7] clk: samsung: exynos7: add clocks for MMC block
Vivek Gautam
gautam.vivek at samsung.com
Mon Oct 20 02:49:41 PDT 2014
Hi Abhilash,
On Fri, Oct 17, 2014 at 9:41 PM, Abhilash Kesavan <a.kesavan at samsung.com> wrote:
> From: Naveen Krishna Ch <naveenkrishna.ch at gmail.com>
>
> Exynos7 supports 3 MMC channels, add the MMC gate clocks to
> support them.
>
> Signed-off-by: Naveen Krishna Ch <naveenkrishna.ch at gmail.com>
> Signed-off-by: Abhilash Kesavan <a.kesavan at samsung.com>
> ---
> .../devicetree/bindings/clock/exynos7-clock.txt | 3 +
> drivers/clk/samsung/clk-exynos7.c | 224 ++++++++++++++++++++
> include/dt-bindings/clock/exynos7-clk.h | 20 ++
> 3 files changed, 247 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/clock/exynos7-clock.txt b/Documentation/devicetree/bindings/clock/exynos7-clock.txt
> index 789f761..4c69b66 100644
> --- a/Documentation/devicetree/bindings/clock/exynos7-clock.txt
> +++ b/Documentation/devicetree/bindings/clock/exynos7-clock.txt
> @@ -27,9 +27,12 @@ Required Properties for Clock Controller:
>
> - "samsung,exynos7-clock-topc"
> - "samsung,exynos7-clock-top0"
> + - "samsung,exynos7-clock-top1"
> - "samsung,exynos7-clock-peric0"
> - "samsung,exynos7-clock-peric1"
> - "samsung,exynos7-clock-peris"
> + - "samsung,exynos7-clock-fsys0"
> + - "samsung,exynos7-clock-fsys1"
same here, the input clocks for top1, fsys0 and fsys1 block need to be
mentioned in this doc.
>
> - reg: physical base address of the controller and the length of
> memory mapped region.
> diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c
> index c700f65..f5e43fa 100644
> --- a/drivers/clk/samsung/clk-exynos7.c
> +++ b/drivers/clk/samsung/clk-exynos7.c
> @@ -267,6 +267,132 @@ static void __init exynos7_clk_top0_init(struct device_node *np)
> CLK_OF_DECLARE(exynos7_clk_top0, "samsung,exynos7-clock-top0",
> exynos7_clk_top0_init);
>
> +/* Register Offset definitions for CMU_TOP1 (0x105E0000) */
> +#define MUX_SEL_TOP10 0x0200
> +#define MUX_SEL_TOP11 0x0204
> +#define MUX_SEL_TOP13 0x020C
> +#define MUX_SEL_TOP1_FSYS0 0x0224
> +#define MUX_SEL_TOP1_FSYS1 0x0228
> +#define DIV_TOP13 0x060C
> +#define DIV_TOP1_FSYS0 0x0624
> +#define DIV_TOP1_FSYS1 0x0628
> +#define ENABLE_ACLK_TOP13 0x080C
> +#define ENABLE_SCLK_TOP1_FSYS0 0x0A24
> +#define ENABLE_SCLK_TOP1_FSYS1 0x0A28
> +
> +/* List of parent clocks for Muxes in CMU_TOP1 */
> +PNAME(mout_top1_bus0_pll_p) = { "fin_pll", "dout_sclk_bus0_pll" };
> +PNAME(mout_top1_bus1_pll_p) = { "fin_pll", "dout_sclk_bus1_pll_b" };
> +PNAME(mout_top1_cc_pll_p) = { "fin_pll", "dout_sclk_cc_pll_b" };
> +PNAME(mout_top1_mfc_pll_p) = { "fin_pll", "dout_sclk_mfc_pll_b" };
> +
> +PNAME(mout_top1_half_bus0_pll_p) = {"mout_top1_bus0_pll",
> + "ffac_top1_bus0_pll_div2"};
> +PNAME(mout_top1_half_bus1_pll_p) = {"mout_top1_bus1_pll",
> + "ffac_top1_bus1_pll_div2"};
> +PNAME(mout_top1_half_cc_pll_p) = {"mout_top1_cc_pll",
> + "ffac_top1_cc_pll_div2"};
> +PNAME(mout_top1_half_mfc_pll_p) = {"mout_top1_mfc_pll",
> + "ffac_top1_mfc_pll_div2"};
> +
> +PNAME(mout_top1_group1) = {"mout_top1_half_bus0_pll",
> + "mout_top1_half_bus1_pll", "mout_top1_half_cc_pll",
> + "mout_top1_half_mfc_pll"};
> +
> +static unsigned long top1_clk_regs[] __initdata = {
> + MUX_SEL_TOP10,
> + MUX_SEL_TOP11,
> + MUX_SEL_TOP13,
> + MUX_SEL_TOP1_FSYS0,
> + MUX_SEL_TOP1_FSYS1,
> + DIV_TOP13,
> + DIV_TOP1_FSYS0,
> + DIV_TOP1_FSYS1,
> + ENABLE_ACLK_TOP13,
> + ENABLE_SCLK_TOP1_FSYS0,
> + ENABLE_SCLK_TOP1_FSYS1,
> +};
> +
> +static struct samsung_mux_clock top1_mux_clks[] __initdata = {
> + MUX(0, "mout_top1_mfc_pll", mout_top1_mfc_pll_p, MUX_SEL_TOP10, 4, 1),
> + MUX(0, "mout_top1_cc_pll", mout_top1_cc_pll_p, MUX_SEL_TOP10, 8, 1),
> + MUX(0, "mout_top1_bus1_pll", mout_top1_bus1_pll_p,
> + MUX_SEL_TOP10, 12, 1),
> + MUX(0, "mout_top1_bus0_pll", mout_top1_bus0_pll_p,
> + MUX_SEL_TOP10, 16, 1),
> +
> + MUX(0, "mout_top1_half_mfc_pll", mout_top1_half_mfc_pll_p,
> + MUX_SEL_TOP11, 4, 1),
> + MUX(0, "mout_top1_half_cc_pll", mout_top1_half_cc_pll_p,
> + MUX_SEL_TOP11, 8, 1),
> + MUX(0, "mout_top1_half_bus1_pll", mout_top1_half_bus1_pll_p,
> + MUX_SEL_TOP11, 12, 1),
> + MUX(0, "mout_top1_half_bus0_pll", mout_top1_half_bus0_pll_p,
> + MUX_SEL_TOP11, 16, 1),
> +
> + MUX(0, "mout_aclk_fsys1_200", mout_top1_group1, MUX_SEL_TOP13, 24, 2),
> + MUX(0, "mout_aclk_fsys0_200", mout_top1_group1, MUX_SEL_TOP13, 28, 2),
> +
> + MUX(0, "mout_sclk_mmc2", mout_top1_group1, MUX_SEL_TOP1_FSYS0, 24, 2),
> +
> + MUX(0, "mout_sclk_mmc1", mout_top1_group1, MUX_SEL_TOP1_FSYS1, 24, 2),
> + MUX(0, "mout_sclk_mmc0", mout_top1_group1, MUX_SEL_TOP1_FSYS1, 28, 2),
> +};
> +
> +static struct samsung_div_clock top1_div_clks[] __initdata = {
> + DIV(DOUT_ACLK_FSYS1_200, "dout_aclk_fsys1_200", "mout_aclk_fsys1_200",
> + DIV_TOP13, 24, 4),
> + DIV(DOUT_ACLK_FSYS0_200, "dout_aclk_fsys0_200", "mout_aclk_fsys0_200",
> + DIV_TOP13, 28, 4),
> +
> + DIV(DOUT_SCLK_MMC2, "dout_sclk_mmc2", "mout_sclk_mmc2",
> + DIV_TOP1_FSYS0, 24, 4),
> +
> + DIV(DOUT_SCLK_MMC1, "dout_sclk_mmc1", "mout_sclk_mmc1",
> + DIV_TOP1_FSYS1, 24, 4),
> + DIV(DOUT_SCLK_MMC0, "dout_sclk_mmc0", "mout_sclk_mmc0",
> + DIV_TOP1_FSYS1, 28, 4),
> +};
> +
> +static struct samsung_gate_clock top1_gate_clks[] __initdata = {
> + GATE(CLK_SCLK_MMC2, "sclk_mmc2", "dout_sclk_mmc2",
> + ENABLE_SCLK_TOP1_FSYS0, 24, CLK_SET_RATE_PARENT, 0),
> +
> + GATE(CLK_SCLK_MMC1, "sclk_mmc1", "dout_sclk_mmc1",
> + ENABLE_SCLK_TOP1_FSYS1, 24, CLK_SET_RATE_PARENT, 0),
> + GATE(CLK_SCLK_MMC0, "sclk_mmc0", "dout_sclk_mmc0",
> + ENABLE_SCLK_TOP1_FSYS1, 28, CLK_SET_RATE_PARENT, 0),
> +};
> +
> +static struct samsung_fixed_factor_clock top1_fixed_factor_clks[] __initdata = {
> + FFACTOR(0, "ffac_top1_bus0_pll_div2", "mout_top1_bus0_pll", 1, 2, 0),
> + FFACTOR(0, "ffac_top1_bus1_pll_div2", "mout_top1_bus1_pll", 1, 2, 0),
> + FFACTOR(0, "ffac_top1_cc_pll_div2", "mout_top1_cc_pll", 1, 2, 0),
> + FFACTOR(0, "ffac_top1_mfc_pll_div2", "mout_top1_mfc_pll", 1, 2, 0),
> +};
> +
> +static struct samsung_cmu_info top1_cmu_info __initdata = {
> + .mux_clks = top1_mux_clks,
> + .nr_mux_clks = ARRAY_SIZE(top1_mux_clks),
> + .div_clks = top1_div_clks,
> + .nr_div_clks = ARRAY_SIZE(top1_div_clks),
> + .gate_clks = top1_gate_clks,
> + .nr_gate_clks = ARRAY_SIZE(top1_gate_clks),
> + .fixed_factor_clks = top1_fixed_factor_clks,
> + .nr_fixed_factor_clks = ARRAY_SIZE(top1_fixed_factor_clks),
> + .nr_clk_ids = TOP1_NR_CLK,
> + .clk_regs = top1_clk_regs,
> + .nr_clk_regs = ARRAY_SIZE(top1_clk_regs),
> +};
> +
> +static void __init exynos7_clk_top1_init(struct device_node *np)
> +{
> + samsung_cmu_register_one(np, &top1_cmu_info);
> +}
> +
> +CLK_OF_DECLARE(exynos7_clk_top1, "samsung,exynos7-clock-top1",
> + exynos7_clk_top1_init);
> +
> /* Register Offset definitions for CMU_PERIC0 (0x13610000) */
> #define MUX_SEL_PERIC0 0x0200
> #define ENABLE_PCLK_PERIC0 0x0900
> @@ -447,3 +573,101 @@ static void __init exynos7_clk_peris_init(struct device_node *np)
>
> CLK_OF_DECLARE(exynos7_clk_peris, "samsung,exynos7-clock-peris",
> exynos7_clk_peris_init);
> +
> +/* Register Offset definitions for CMU_FSYS0 (0x10E90000) */
> +#define MUX_SEL_FSYS00 0x0200
> +#define MUX_SEL_FSYS01 0x0204
> +#define ENABLE_ACLK_FSYS01 0x0804
> +
> +/*
> + * List of parent clocks for Muxes in CMU_FSYS0
> + */
> +PNAME(mout_aclk_fsys0_200_p) = { "fin_pll", "dout_aclk_fsys0_200" };
> +PNAME(mout_sclk_mmc2_p) = { "fin_pll", "sclk_mmc2" };
> +
> +static unsigned long fsys0_clk_regs[] __initdata = {
> + MUX_SEL_FSYS00,
> + MUX_SEL_FSYS01,
> + ENABLE_ACLK_FSYS01,
> +};
> +
> +static struct samsung_mux_clock fsys0_mux_clks[] __initdata = {
> + MUX(0, "mout_aclk_fsys0_200_user", mout_aclk_fsys0_200_p,
> + MUX_SEL_FSYS00, 24, 1),
> +
> + MUX(0, "mout_sclk_mmc2_user", mout_sclk_mmc2_p, MUX_SEL_FSYS01, 24, 1),
> +};
> +
> +static struct samsung_gate_clock fsys0_gate_clks[] __initdata = {
> + GATE(ACLK_MMC2, "aclk_mmc2", "mout_aclk_fsys0_200_user",
> + ENABLE_ACLK_FSYS01, 31, 0, 0),
> +};
> +
> +static struct samsung_cmu_info fsys0_cmu_info __initdata = {
> + .mux_clks = fsys0_mux_clks,
> + .nr_mux_clks = ARRAY_SIZE(fsys0_mux_clks),
> + .gate_clks = fsys0_gate_clks,
> + .nr_gate_clks = ARRAY_SIZE(fsys0_gate_clks),
> + .nr_clk_ids = TOP1_NR_CLK,
> + .clk_regs = fsys0_clk_regs,
> + .nr_clk_regs = ARRAY_SIZE(fsys0_clk_regs),
> +};
> +
> +static void __init exynos7_clk_fsys0_init(struct device_node *np)
> +{
> + samsung_cmu_register_one(np, &fsys0_cmu_info);
> +}
> +
> +CLK_OF_DECLARE(exynos7_clk_fsys0, "samsung,exynos7-clock-fsys0",
> + exynos7_clk_fsys0_init);
> +
> +/* Register Offset definitions for CMU_FSYS1 (0x156E0000) */
> +#define MUX_SEL_FSYS10 0x0200
> +#define MUX_SEL_FSYS11 0x0204
> +#define ENABLE_ACLK_FSYS1 0x0800
> +
> +/*
> + * List of parent clocks for Muxes in CMU_FSYS1
> + */
> +PNAME(mout_aclk_fsys1_200_p) = { "fin_pll", "dout_aclk_fsys1_200" };
> +PNAME(mout_sclk_mmc0_p) = { "fin_pll", "sclk_mmc0" };
> +PNAME(mout_sclk_mmc1_p) = { "fin_pll", "sclk_mmc1" };
> +
> +static unsigned long fsys1_clk_regs[] __initdata = {
> + MUX_SEL_FSYS10,
> + MUX_SEL_FSYS11,
> + ENABLE_ACLK_FSYS1,
> +};
> +
> +static struct samsung_mux_clock fsys1_mux_clks[] __initdata = {
> + MUX(0, "mout_aclk_fsys1_200_user", mout_aclk_fsys1_200_p,
> + MUX_SEL_FSYS10, 28, 1),
> +
> + MUX(0, "mout_sclk_mmc1_user", mout_sclk_mmc1_p, MUX_SEL_FSYS11, 24, 1),
> + MUX(0, "mout_sclk_mmc0_user", mout_sclk_mmc0_p, MUX_SEL_FSYS11, 28, 1),
> +};
> +
> +static struct samsung_gate_clock fsys1_gate_clks[] __initdata = {
> + GATE(ACLK_MMC1, "aclk_mmc1", "mout_aclk_fsys1_200_user",
> + ENABLE_ACLK_FSYS1, 29, 0, 0),
> + GATE(ACLK_MMC0, "aclk_mmc0", "mout_aclk_fsys1_200_user",
> + ENABLE_ACLK_FSYS1, 30, 0, 0),
> +};
> +
> +static struct samsung_cmu_info fsys1_cmu_info __initdata = {
> + .mux_clks = fsys1_mux_clks,
> + .nr_mux_clks = ARRAY_SIZE(fsys1_mux_clks),
> + .gate_clks = fsys1_gate_clks,
> + .nr_gate_clks = ARRAY_SIZE(fsys1_gate_clks),
> + .nr_clk_ids = TOP1_NR_CLK,
> + .clk_regs = fsys1_clk_regs,
> + .nr_clk_regs = ARRAY_SIZE(fsys1_clk_regs),
> +};
> +
> +static void __init exynos7_clk_fsys1_init(struct device_node *np)
> +{
> + samsung_cmu_register_one(np, &fsys1_cmu_info);
> +}
> +
> +CLK_OF_DECLARE(exynos7_clk_fsys1, "samsung,exynos7-clock-fsys1",
> + exynos7_clk_fsys1_init);
> diff --git a/include/dt-bindings/clock/exynos7-clk.h b/include/dt-bindings/clock/exynos7-clk.h
> index 6d07b6f..ff63c4e 100644
> --- a/include/dt-bindings/clock/exynos7-clk.h
> +++ b/include/dt-bindings/clock/exynos7-clk.h
> @@ -27,6 +27,17 @@
> #define CLK_SCLK_UART3 6
> #define TOP0_NR_CLK 7
>
> +/* TOP1 */
> +#define DOUT_ACLK_FSYS1_200 1
> +#define DOUT_ACLK_FSYS0_200 2
> +#define DOUT_SCLK_MMC2 3
> +#define DOUT_SCLK_MMC1 4
> +#define DOUT_SCLK_MMC0 5
> +#define CLK_SCLK_MMC2 6
> +#define CLK_SCLK_MMC1 7
> +#define CLK_SCLK_MMC0 8
> +#define TOP1_NR_CLK 9
> +
> /* PERIC0 */
> #define PCLK_UART0 1
> #define SCLK_UART0 2
> @@ -58,4 +69,13 @@
> #define SCLK_CHIPID 2
> #define PERIS_NR_CLK 3
>
> +/* FSYS0 */
> +#define ACLK_MMC2 1
> +#define FSYS0_NR_CLK 2
> +
> +/* FSYS1 */
> +#define ACLK_MMC1 1
> +#define ACLK_MMC0 2
> +#define FSYS1_NR_CLK 3
> +
> #endif /* _DT_BINDINGS_CLOCK_EXYNOS7_H */
> --
> 1.7.9.5
>
> --
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--
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
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