The branch main has been updated by mw:
URL:
https://cgit.FreeBSD.org/src/commit/?id=4dfb620ea4a7a443284bdcf39c8de1f75cd8c80c
commit 4dfb620ea4a7a443284bdcf39c8de1f75cd8c80c
Author: Marcin Wojtas <m...@freebsd.org>
AuthorDate: 2021-05-07 01:33:04 +0000
Commit: Marcin Wojtas <m...@freebsd.org>
CommitDate: 2021-05-07 01:48:53 +0000
Add LS1028A clockgen driver
The new driver provides probe and attach functions for the NXP LS1028A
clockgen and passes configuration information to QorIQ clockgen class.
Submitted by: Lukasz Hajec <l...@semihalf.com>
Obtained from: Semihalf
Sponsored by: Alstom Group
Differential Revision: https://reviews.freebsd.org/D30125
---
sys/arm64/qoriq/clk/ls1028a_clkgen.c | 303 +++++++++++++++++++++++++++++++++++
sys/conf/files.arm64 | 1 +
2 files changed, 304 insertions(+)
diff --git a/sys/arm64/qoriq/clk/ls1028a_clkgen.c
b/sys/arm64/qoriq/clk/ls1028a_clkgen.c
new file mode 100644
index 000000000000..2ed84b07de3c
--- /dev/null
+++ b/sys/arm64/qoriq/clk/ls1028a_clkgen.c
@@ -0,0 +1,303 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2021 Alstom Group.
+ * Copyright (c) 2021 Semihalf.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/mutex.h>
+#include <sys/rman.h>
+#include <machine/bus.h>
+
+#include <dev/fdt/simplebus.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/extres/clk/clk_fixed.h>
+
+#include <arm64/qoriq/clk/qoriq_clkgen.h>
+
+static uint8_t ls1028a_pltfrm_pll_divs[] = {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 0
+};
+
+static struct qoriq_clk_pll_def ls1028a_pltfrm_pll = {
+ .clkdef = {
+ .name = "ls1028a_platform_pll",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_PLATFORM_PLL, 0),
+ .flags = 0
+ },
+ .offset = 0x60080,
+ .shift = 1,
+ .mask = 0xFE,
+ .dividers = ls1028a_pltfrm_pll_divs,
+ .flags = QORIQ_CLK_PLL_HAS_KILL_BIT
+};
+
+static const uint8_t ls1028a_cga_pll_divs[] = {
+ 2, 3, 4, 0
+};
+
+static struct qoriq_clk_pll_def ls1028a_cga_pll1 = {
+ .clkdef = {
+ .name = "ls1028a_cga_pll1",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_INTERNAL, 0),
+ .flags = 0
+ },
+ .offset = 0x80,
+ .shift = 1,
+ .mask = 0xFE,
+ .dividers = ls1028a_cga_pll_divs,
+ .flags = QORIQ_CLK_PLL_HAS_KILL_BIT
+};
+
+static struct qoriq_clk_pll_def ls1028a_cga_pll2 = {
+ .clkdef = {
+ .name = "ls1028a_cga_pll2",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_INTERNAL, 20),
+ .flags = 0
+ },
+ .offset = 0xA0,
+ .shift = 1,
+ .mask = 0xFE,
+ .dividers = ls1028a_cga_pll_divs,
+ .flags = QORIQ_CLK_PLL_HAS_KILL_BIT
+};
+
+static struct qoriq_clk_pll_def *ls1028a_cga_plls[] = {
+ &ls1028a_cga_pll1,
+ &ls1028a_cga_pll2
+};
+
+static const char *ls1028a_cmux0_parent_names[] = {
+ "ls1028a_cga_pll1",
+ "ls1028a_cga_pll1_div2",
+ "ls1028a_cga_pll1_div4",
+ NULL,
+ "ls1028a_cga_pll2",
+ "ls1028a_cga_pll2_div2",
+ "ls1028a_cga_pll2_div4"
+};
+
+static struct clk_mux_def ls1028a_cmux0 = {
+ .clkdef = {
+ .name = "ls1028a_cmux0",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_CMUX, 0),
+ .parent_names = ls1028a_cmux0_parent_names,
+ .parent_cnt = nitems(ls1028a_cmux0_parent_names),
+ .flags = 0
+ },
+ .offset = 0x70000,
+ .shift = 27,
+ .width = 4,
+ .mux_flags = 0
+};
+
+static struct clk_mux_def ls1028a_cmux1 = {
+ .clkdef = {
+ .name = "ls1028a_cmux1",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_CMUX, 1),
+ .parent_names = ls1028a_cmux0_parent_names,
+ .parent_cnt = nitems(ls1028a_cmux0_parent_names),
+ .flags = 0
+ },
+ .offset = 0x70020,
+ .shift = 27,
+ .width = 4,
+ .mux_flags = 0
+};
+
+static struct clk_mux_def ls1028a_cmux2 = {
+ .clkdef = {
+ .name = "ls1028a_cmux2",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_CMUX, 2),
+ .parent_names = ls1028a_cmux0_parent_names,
+ .parent_cnt = nitems(ls1028a_cmux0_parent_names),
+ .flags = 0
+ },
+ .offset = 0x70040,
+ .shift = 27,
+ .width = 4,
+ .mux_flags = 0
+};
+
+static struct clk_mux_def ls1028a_cmux3 = {
+ .clkdef = {
+ .name = "ls1028a_cmux3",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_CMUX, 3),
+ .parent_names = ls1028a_cmux0_parent_names,
+ .parent_cnt = nitems(ls1028a_cmux0_parent_names),
+ .flags = 0
+ },
+ .offset = 0x70060,
+ .shift = 27,
+ .width = 4,
+ .mux_flags = 0
+};
+
+static const char *ls1028a_hwaccel1_parent_names[] = {
+ "ls1028a_platform_pll",
+ "ls1028a_cga_pll1",
+ "ls1028a_cga_pll1_div2",
+ "ls1028a_cga_pll1_div3",
+ "ls1028a_cga_pll1_div4",
+ NULL,
+ "ls1028a_cga_pll2_div2",
+ "ls1028a_cga_pll2_div3"
+};
+
+static const char *ls1028a_hwaccel2_parent_names[] = {
+ "ls1028a_platform_pll",
+ "ls1028a_cga_pll2",
+ "ls1028a_cga_pll2_div2",
+ "ls1028a_cga_pll2_div3",
+ "ls1028a_cga_pll2_div4",
+ NULL,
+ "ls1028a_cga_pll1_div2",
+ "ls1028a_cga_pll1_div3"
+};
+
+static struct clk_mux_def ls1028a_hwaccel1 = {
+ .clkdef = {
+ .name = "ls1028a_hwaccel1",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_HWACCEL, 0),
+ .parent_names = ls1028a_hwaccel1_parent_names,
+ .parent_cnt = nitems(ls1028a_hwaccel1_parent_names),
+ .flags = 0
+ },
+ .offset = 0x10,
+ .shift = 27,
+ .width = 4,
+ .mux_flags = 0
+};
+
+static struct clk_mux_def ls1028a_hwaccel2 = {
+ .clkdef = {
+ .name = "ls1028a_hwaccel2",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_HWACCEL, 1),
+ .parent_names = ls1028a_hwaccel2_parent_names,
+ .parent_cnt = nitems(ls1028a_hwaccel2_parent_names),
+ .flags = 0
+ },
+ .offset = 0x30,
+ .shift = 27,
+ .width = 4,
+ .mux_flags = 0
+};
+
+static struct clk_mux_def ls1028a_hwaccel3 = {
+ .clkdef = {
+ .name = "ls1028a_hwaccel3",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_HWACCEL, 2),
+ .parent_names = ls1028a_hwaccel1_parent_names,
+ .parent_cnt = nitems(ls1028a_hwaccel1_parent_names),
+ .flags = 0
+ },
+ .offset = 0x50,
+ .shift = 27,
+ .width = 4,
+ .mux_flags = 0
+};
+
+static struct clk_mux_def ls1028a_hwaccel4 = {
+ .clkdef = {
+ .name = "ls1028a_hwaccel4",
+ .id = QORIQ_CLK_ID(QORIQ_TYPE_HWACCEL, 3),
+ .parent_names = ls1028a_hwaccel2_parent_names,
+ .parent_cnt = nitems(ls1028a_hwaccel2_parent_names),
+ .flags = 0
+ },
+ .offset = 0x70,
+ .shift = 27,
+ .width = 4,
+ .mux_flags = 0
+};
+
+static struct clk_mux_def *ls1028a_mux_nodes[] = {
+ &ls1028a_cmux0,
+ &ls1028a_cmux1,
+ &ls1028a_cmux2,
+ &ls1028a_cmux3,
+ &ls1028a_hwaccel1,
+ &ls1028a_hwaccel2,
+ &ls1028a_hwaccel3,
+ &ls1028a_hwaccel4
+};
+
+static int ls1028a_clkgen_probe(device_t);
+static int ls1028a_clkgen_attach(device_t);
+
+static device_method_t ls1028a_clkgen_methods[] = {
+ DEVMETHOD(device_probe, ls1028a_clkgen_probe),
+ DEVMETHOD(device_attach, ls1028a_clkgen_attach),
+
+ DEVMETHOD_END
+};
+
+DEFINE_CLASS_1(ls1028a_clkgen, ls1028a_clkgen_driver, ls1028a_clkgen_methods,
+ sizeof(struct qoriq_clkgen_softc), qoriq_clkgen_driver);
+
+static devclass_t ls1028a_clkgen_devclass;
+
+EARLY_DRIVER_MODULE(ls1028a_clkgen, simplebus, ls1028a_clkgen_driver,
+ ls1028a_clkgen_devclass, 0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
+
+static int
+ls1028a_clkgen_probe(device_t dev)
+{
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if(!ofw_bus_is_compatible(dev, "fsl,ls1028a-clockgen"))
+ return (ENXIO);
+
+ device_set_desc(dev, "LS1028A clockgen");
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+ls1028a_clkgen_attach(device_t dev)
+{
+ struct qoriq_clkgen_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ sc->pltfrm_pll_def = &ls1028a_pltfrm_pll;
+ sc->cga_pll = ls1028a_cga_plls;
+ sc->cga_pll_num = nitems(ls1028a_cga_plls);
+ sc->mux = ls1028a_mux_nodes;
+ sc->mux_num = nitems(ls1028a_mux_nodes);
+ sc->flags = QORIQ_LITTLE_ENDIAN;
+
+ return (qoriq_clkgen_attach(dev));
+}
diff --git a/sys/conf/files.arm64 b/sys/conf/files.arm64
index 19205b8e18c0..3b0266736d7a 100644
--- a/sys/conf/files.arm64
+++ b/sys/conf/files.arm64
@@ -499,6 +499,7 @@ arm/freescale/vybrid/vf_i2c.c
optional vf_i2c iicbus SOC_NXP_LS
arm64/qoriq/qoriq_dw_pci.c optional pci fdt SOC_NXP_LS
arm64/qoriq/qoriq_therm.c optional pci fdt SOC_NXP_LS
arm64/qoriq/qoriq_therm_if.m optional pci fdt SOC_NXP_LS
+arm64/qoriq/clk/ls1028a_clkgen.c optional clk SOC_NXP_LS
arm64/qoriq/clk/ls1046a_clkgen.c optional clk SOC_NXP_LS
arm64/qoriq/clk/lx2160a_clkgen.c optional clk SOC_NXP_LS
arm64/qoriq/clk/qoriq_clk_pll.c optional clk SOC_NXP_LS
_______________________________________________
dev-commits-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all
To unsubscribe, send any mail to "dev-commits-src-all-unsubscr...@freebsd.org"
