[PATCH 6/8] clk: berlin: add core clock driver for BG2/BG2CD
Alexandre Belloni
alexandre.belloni at free-electrons.com
Wed May 14 04:43:15 PDT 2014
On 11/05/2014 at 22:24:39 +0200, Sebastian Hesselbarth wrote :
> This driver deals with the core clocks found on Marvell Berlin
> BG2 and BG2CD. For the shared register dividers, make use of the
> corresponding driver and add some single clock muxes and gates for
> the rest.
>
> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com>
> ---
> Cc: Mike Turquette <mturquette at linaro.org>
> Cc: Alexandre Belloni <alexandre.belloni at free-electrons.com>
> Cc: Antoine Tenart <antoine.tenart at free-electrons.com>
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-kernel at vger.kernel.org
> ---
> drivers/clk/berlin/bg2.c | 509 +++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 509 insertions(+)
> create mode 100644 drivers/clk/berlin/bg2.c
>
> diff --git a/drivers/clk/berlin/bg2.c b/drivers/clk/berlin/bg2.c
> new file mode 100644
> index 000000000000..7fe04e11861b
> --- /dev/null
> +++ b/drivers/clk/berlin/bg2.c
> @@ -0,0 +1,509 @@
> +/*
> + * Copyright (c) 2014 Marvell Technology Group Ltd.
> + *
> + * Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com>
> + * Alexandre Belloni <alexandre.belloni at free-electrons.com>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
> + * more details.
> + *
> + * You should have received a copy of the GNU General Public License along with
> + * this program. If not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#include <linux/clk.h>
> +#include <linux/clk-provider.h>
> +#include <linux/io.h>
> +#include <linux/kernel.h>
> +#include <linux/of.h>
> +#include <linux/of_address.h>
> +#include <linux/slab.h>
> +
> +#include "berlin2-div.h"
> +
> +/*
> + * BG2/BG2CD SoCs have the following audio/video I/O units:
> + *
> + * audiohd: HDMI TX audio
> + * audio0: 7.1ch TX
> + * audio1: 2ch TX
> + * audio2: 2ch RX
> + * audio3: SPDIF TX
> + * video0: HDMI video
> + * video1: Secondary video
> + * video2: SD auxiliary video
> + *
> + * There are no external audio clocks (ACLKI0, ACLKI1) and
> + * only one external video clock (VCLKI0).
> + *
> + * Currently missing bits and pieces:
> + * - audio_fast_pll is unknown
> + * - audiohd_pll is unknown
> + * - video0_pll is unknown
> + * - audio[023], audiohd parent pll is assumed to be audio_fast_pll
> + *
> + */
> +
> +struct bg2_gate_data {
> + const char *name;
> + const char *parent_name;
> + u8 bit_idx;
> + unsigned long flags;
> +};
> +
> +#define REG_CLKENABLE 0x00
> +#define REG_CLKSELECT0 0x04
> +#define REG_CLKSELECT1 0x08
> +#define REG_CLKSELECT2 0x0c
> +#define REG_CLKSELECT3 0x10
> +#define REG_CLKSWITCH0 0x14
> +#define REG_CLKSWITCH1 0x18
> +
> +enum {
> + /* clock divider cells */
> + SYS, CPU, DRMFIGO, CFG, GFX, ZSP, PERIF, PCUBE, VSCOPE, NFC_ECC,
> + VPP, APP, AUDIO0, AUDIO2, AUDIO3, AUDIO1,
> + /* clock gates */
> + GETH0, GETH1, SATA, AHBAPB, USB0, USB1, PBRIDGE, SDIO0, SDIO1,
> + NFC, SMEMC, AUDIOHD, VIDEO0, VIDEO1, VIDEO2,
> + MAX_CLKS
> +};
> +
Shouldn't you reuse the CLKID_* that you are introducing in
dt-bindings/clock/berlin2.h in a following patch there ?
That would prevent inconsistencies.
> +enum { REFCLK, SYSPLL, MEMPLL, CPUPLL };
> +static const char *refclk_names[] = { "refclk", "syspll", "mempll", "cpupll" };
> +
> +enum { CH1, CH2, CH3, CH4, CH5, CH6, CH7, CH8 };
> +static const char *avplla_names[] = {
> + "avpll_a1", "avpll_a2", "avpll_a3", "avpll_a4",
> + "avpll_a5", "avpll_a6", "avpll_a7", "avpll_a8"
> +};
> +static const char *avpllb_names[] = {
> + "avpll_b1", "avpll_b2", "avpll_b3", "avpll_b4",
> + "avpll_b5", "avpll_b6", "avpll_b7", "avpll_a8"
> +};
> +static const char *video_ext0_name = "video_ext0";
> +
> +static DEFINE_SPINLOCK(lock);
> +static struct clk *clks[MAX_CLKS];
> +static struct clk_onecell_data clk_data;
> +
> +static const struct berlin2_div_data bg2_divs[] __initconst = {
> + {
> + .name = "sys",
> + .flags = CLK_IGNORE_UNUSED,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 0),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT0, 0),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT0, 3),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 3),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 4),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 5),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "cpu",
> + .flags = 0,
> + .map = {
> + BERLIN2_PLL_SELECT(REG_CLKSELECT0, 6),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT0, 9),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 6),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 7),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 8),
> + },
> + .div_flags = BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "drmfigo",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 16),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT0, 17),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT0, 20),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 12),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 13),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 14),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "cfg",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 1),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT0, 23),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT0, 26),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 15),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 16),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 17),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "gfx",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 4),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT0, 29),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT1, 0),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 18),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 19),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 20),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "zsp",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 5),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT1, 3),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT1, 6),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 21),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 22),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 23),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "perif",
> + .flags = CLK_IGNORE_UNUSED,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 6),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT1, 9),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT1, 12),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 24),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 25),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 26),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "pcube",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 2),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT1, 15),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT1, 18),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 27),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 28),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH0, 29),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "vscope",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 3),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT1, 21),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT1, 24),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH0, 30),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH0, 31),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 0),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "nfc_ecc",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 18),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT1, 27),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT2, 0),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH1, 1),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 2),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 3),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "vpp",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 21),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT2, 3),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT2, 6),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH1, 4),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 5),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 6),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "app",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 20),
> + BERLIN2_PLL_SELECT(REG_CLKSELECT2, 9),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT2, 12),
> + BERLIN2_PLL_SWITCH(REG_CLKSWITCH1, 7),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 8),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 9),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE | BERLIN2_DIV_HAS_MUX,
> + },
> + {
> + .name = "audio0",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 22),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT2, 17),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 10),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 11),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE,
> + },
> + {
> + .name = "audio2",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 24),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT2, 20),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 14),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 15),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE,
> + },
> + {
> + .name = "audio3",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 25),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT2, 23),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 16),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 17),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE,
> + },
> + {
> + .name = "audio1",
> + .flags = 0,
> + .map = {
> + BERLIN2_DIV_GATE(REG_CLKENABLE, 23),
> + BERLIN2_DIV_SELECT(REG_CLKSELECT3, 0),
> + BERLIN2_DIV_SWITCH(REG_CLKSWITCH1, 12),
> + BERLIN2_DIV_D3SWITCH(REG_CLKSWITCH1, 13),
> + },
> + .div_flags = BERLIN2_DIV_HAS_GATE,
> + },
> +};
> +
> +static const struct bg2_gate_data bg2_gates[] __initconst = {
> + { "geth0", "perif", 7 },
> + { "geth1", "perif", 8 },
> + { "sata", "perif", 9 },
> + { "ahbapb", "perif", 10, CLK_IGNORE_UNUSED },
> + { "usb0", "perif", 11 },
> + { "usb1", "perif", 12 },
> + { "pbridge", "perif", 13, CLK_IGNORE_UNUSED },
> + { "sdio0", "perif", 14 },
> + { "sdio1", "perif", 15 },
> + { "nfc", "perif", 17 },
> + { "smemc", "perif", 19 },
> + { "audiohd", "audiohd_pll", 26 },
> + { "video0", "video0_in", 27 },
> + { "video1", "video1_in", 28 },
> + { "video2", "video2_in", 29 },
> +};
> +
> +static int __init collect_refclks(struct device_node *np)
> +{
> + struct clk *iclk;
> + int n;
> +
> + /* overwrite default clock names with DT provided ones */
> + /* reference clocks */
> + for (n = 0; n < ARRAY_SIZE(refclk_names); n++) {
> + iclk = of_clk_get_by_name(np, refclk_names[n]);
> + if (!IS_ERR(iclk)) {
> + refclk_names[n] = __clk_get_name(iclk);
> + clk_put(iclk);
> + }
> + }
> +
> + /* AVPLL_A inputs */
> + for (n = 0; n < ARRAY_SIZE(avplla_names); n++) {
> + iclk = of_clk_get_by_name(np, avplla_names[n]);
> + if (!IS_ERR(iclk)) {
> + avplla_names[n] = __clk_get_name(iclk);
> + clk_put(iclk);
> + }
> + }
> +
> + /* AVPLL_B inputs */
> + for (n = 0; n < ARRAY_SIZE(avpllb_names); n++) {
> + iclk = of_clk_get_by_name(np, avpllb_names[n]);
> + if (!IS_ERR(iclk)) {
> + avpllb_names[n] = __clk_get_name(iclk);
> + clk_put(iclk);
> + }
> + }
> +
> + /* video_ext0 input */
> + iclk = of_clk_get_by_name(np, video_ext0_name);
> + if (!IS_ERR(iclk)) {
> + video_ext0_name = __clk_get_name(iclk);
> + clk_put(iclk);
> + }
> +
> + return 0;
> +}
> +
> +static void __init berlin2_core_clock_of_setup(struct device_node *np)
> +{
> + const struct berlin2_div_data *data;
> + const char *parent_names[9];
> + void __iomem *base;
> + struct clk *clk;
> + int n;
> +
> + if (collect_refclks(np))
> + return;
> +
> + base = of_iomap(np, 0);
> + if (!base) {
> + pr_err("%s: Unable to map register base\n", np->full_name);
> + return;
> + }
> +
> + /* reference clock bypass switches */
> + parent_names[0] = refclk_names[SYSPLL];
> + parent_names[1] = refclk_names[REFCLK];
> + clk = clk_register_mux(NULL, "syspll_in", parent_names, 2, 0,
> + base + REG_CLKSWITCH0, 0, 1, 0, &lock);
> + if (IS_ERR(clk))
> + goto core_clock_fail;
> + refclk_names[SYSPLL] = __clk_get_name(clk);
> +
> + parent_names[0] = refclk_names[MEMPLL];
> + parent_names[1] = refclk_names[REFCLK];
> + clk = clk_register_mux(NULL, "mempll_in", parent_names, 2, 0,
> + base + REG_CLKSWITCH0, 1, 1, 0, &lock);
> + if (IS_ERR(clk))
> + goto core_clock_fail;
> + refclk_names[MEMPLL] = __clk_get_name(clk);
> +
> + parent_names[0] = refclk_names[CPUPLL];
> + parent_names[1] = refclk_names[REFCLK];
> + clk = clk_register_mux(NULL, "cpupll_in", parent_names, 2, 0,
> + base + REG_CLKSWITCH0, 2, 1, 0, &lock);
> + if (IS_ERR(clk))
> + goto core_clock_fail;
> + refclk_names[CPUPLL] = __clk_get_name(clk);
> +
> + /* clock muxes */
> + parent_names[0] = avpllb_names[CH3];
> + parent_names[1] = avplla_names[CH3];
> + clk = clk_register_mux(NULL, "audio1_pll", parent_names, 2, 0,
> + base + REG_CLKSELECT2, 29, 1, 0, &lock);
> + if (IS_ERR(clk))
> + goto core_clock_fail;
> +
> + parent_names[0] = "video0_pll";
> + parent_names[1] = video_ext0_name;
> + clk = clk_register_mux(NULL, "video0_in", parent_names, 2, 0,
> + base + REG_CLKSELECT3, 4, 1, 0, &lock);
> + if (IS_ERR(clk))
> + goto core_clock_fail;
> +
> + parent_names[0] = "video1_pll";
> + parent_names[1] = video_ext0_name;
> + clk = clk_register_mux(NULL, "video1_in", parent_names, 2, 0,
> + base + REG_CLKSELECT3, 6, 1, 0, &lock);
> + if (IS_ERR(clk))
> + goto core_clock_fail;
> +
> + parent_names[0] = avplla_names[CH2];
> + parent_names[1] = avpllb_names[CH2];
> + clk = clk_register_mux(NULL, "video1_pll", parent_names, 2, 0,
> + base + REG_CLKSELECT3, 7, 1, 0, &lock);
> + if (IS_ERR(clk))
> + goto core_clock_fail;
> +
> + parent_names[0] = "video2_pll";
> + parent_names[1] = video_ext0_name;
> + clk = clk_register_mux(NULL, "video2_in", parent_names, 2, 0,
> + base + REG_CLKSELECT3, 9, 1, 0, &lock);
> + if (IS_ERR(clk))
> + goto core_clock_fail;
> +
> + parent_names[0] = avpllb_names[CH1];
> + parent_names[1] = avplla_names[CH5];
> + clk = clk_register_mux(NULL, "video2_pll", parent_names, 2, 0,
> + base + REG_CLKSELECT3, 10, 1, 0, &lock);
> + if (IS_ERR(clk))
> + goto core_clock_fail;
> +
> + /* clock divider cells */
> + parent_names[1] = avpllb_names[CH4];
> + parent_names[2] = avpllb_names[CH5];
> + parent_names[3] = avpllb_names[CH6];
> + parent_names[4] = avpllb_names[CH7];
> +
> + parent_names[0] = refclk_names[SYSPLL];
> + data = &bg2_divs[SYS];
> + clks[SYS] = berlin2_div_register(&data->map, base, data->name,
> + data->div_flags, parent_names, 5, data->flags, &lock);
> +
> + parent_names[0] = refclk_names[CPUPLL];
> + parent_names[5] = refclk_names[MEMPLL];
> + data = &bg2_divs[CPU];
> + clks[CPU] = berlin2_div_register(&data->map, base, data->name,
> + data->div_flags, parent_names, 6, data->flags, &lock);
> +
> + parent_names[0] = refclk_names[SYSPLL];
> + for (n = DRMFIGO; n <= APP; n++) {
> + data = &bg2_divs[n];
> + clks[n] = berlin2_div_register(&data->map, base, data->name,
> + data->div_flags, parent_names, 5, data->flags, &lock);
> + }
> +
> + parent_names[0] = "audio_fast_pll";
> + for (n = AUDIO0; n <= AUDIO3; n++) {
> + data = &bg2_divs[n];
> + clks[n] = berlin2_div_register(&data->map, base, data->name,
> + data->div_flags, parent_names, 1, data->flags, &lock);
> + }
> +
> + parent_names[0] = "audio1_pll";
> + data = &bg2_divs[AUDIO1];
> + clks[AUDIO1] = berlin2_div_register(&data->map, base, data->name,
> + data->div_flags, parent_names, 1, data->flags, &lock);
> +
> + /* clock gate cells */
> + for (n = 0; n < ARRAY_SIZE(bg2_gates); n++) {
> + const struct bg2_gate_data *gd = &bg2_gates[n];
> +
> + clks[GETH0 + n] = clk_register_gate(NULL, gd->name,
> + gd->parent_name, gd->flags, base + REG_CLKENABLE,
> + gd->bit_idx, 0, &lock);
> + }
> +
> + /* check for errors on leaf clocks */
> + for (n = 0; n < MAX_CLKS; n++) {
> + if (!IS_ERR(clks[n]))
> + continue;
> +
> + pr_err("%s: Unable to register leaf clock %d\n",
> + np->full_name, n);
> + goto core_clock_fail;
> + }
> +
> + /* register clk-provider */
> + clk_data.clks = clks;
> + clk_data.clk_num = MAX_CLKS;
> + of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
> + return;
> +
> +core_clock_fail:
> + iounmap(base);
> +}
> +CLK_OF_DECLARE(berlin2_coreclk, "marvell,berlin2-core-clocks",
> + berlin2_core_clock_of_setup);
> --
> 1.9.1
>
>
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Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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