msm: acpuclock-8930ab: Add support for MSM8930AB

MSM8930AB supports higher cpu frequencies than MSM8930. In
addition, it supports both pmic 8038 and pmic 8917. Add these
support in this patch.

(cherry picked from commit 2520b6eff1349a43036f77af33b2b47a7a28a8aa)
Conflicts:

	arch/arm/mach-msm/Makefile

Change-Id: I3f64ab0968aa06e3813d90f848def1d3484e0bb8
Signed-off-by: Tianyi Gou <tgou@codeaurora.org>
Signed-off-by: Anil Gahlot <anilg@codeaurora.org>
Signed-off-by: Neha Pandey <nehap@codeaurora.org>
diff --git a/arch/arm/mach-msm/acpuclock-8930ab.c b/arch/arm/mach-msm/acpuclock-8930ab.c
new file mode 100644
index 0000000..764ae41
--- /dev/null
+++ b/arch/arm/mach-msm/acpuclock-8930ab.c
@@ -0,0 +1,284 @@
+/*
+ * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <mach/rpm-regulator.h>
+#include <mach/msm_bus_board.h>
+#include <mach/msm_bus.h>
+
+#include "acpuclock.h"
+#include "acpuclock-krait.h"
+
+/* Corner type vreg VDD values */
+#define LVL_NONE	RPM_VREG_CORNER_NONE
+#define LVL_LOW		RPM_VREG_CORNER_LOW
+#define LVL_NOM		RPM_VREG_CORNER_NOMINAL
+#define LVL_HIGH	RPM_VREG_CORNER_HIGH
+
+static struct hfpll_data hfpll_data __initdata = {
+	.mode_offset = 0x00,
+	.l_offset = 0x08,
+	.m_offset = 0x0C,
+	.n_offset = 0x10,
+	.config_offset = 0x04,
+	.config_val = 0x7845C665,
+	.has_droop_ctl = true,
+	.droop_offset = 0x14,
+	.droop_val = 0x0108C000,
+	.low_vdd_l_max = 37,
+	.nom_vdd_l_max = 74,
+	.vdd[HFPLL_VDD_NONE] = LVL_NONE,
+	.vdd[HFPLL_VDD_LOW]  = LVL_LOW,
+	.vdd[HFPLL_VDD_NOM]  = LVL_NOM,
+	.vdd[HFPLL_VDD_HIGH] = LVL_HIGH,
+};
+
+static struct scalable scalable_pm8917[] __initdata = {
+	[CPU0] = {
+		.hfpll_phys_base = 0x00903200,
+		.aux_clk_sel_phys = 0x02088014,
+		.aux_clk_sel = 3,
+		.sec_clk_sel = 2,
+		.l2cpmr_iaddr = 0x4501,
+		.vreg[VREG_CORE] = { "krait0", 1300000 },
+		.vreg[VREG_MEM]  = { "krait0_mem", 1150000 },
+		.vreg[VREG_DIG]  = { "krait0_dig", 1150000 },
+		.vreg[VREG_HFPLL_A] = { "krait0_s8", 2050000 },
+		.vreg[VREG_HFPLL_B] = { "krait0_l23", 1800000 },
+	},
+	[CPU1] = {
+		.hfpll_phys_base = 0x00903300,
+		.aux_clk_sel_phys = 0x02098014,
+		.aux_clk_sel = 3,
+		.sec_clk_sel = 2,
+		.l2cpmr_iaddr = 0x5501,
+		.vreg[VREG_CORE] = { "krait1", 1300000 },
+		.vreg[VREG_MEM]  = { "krait1_mem", 1150000 },
+		.vreg[VREG_DIG]  = { "krait1_dig", 1150000 },
+		.vreg[VREG_HFPLL_A] = { "krait1_s8", 2050000 },
+		.vreg[VREG_HFPLL_B] = { "krait1_l23", 1800000 },
+	},
+	[L2] = {
+		.hfpll_phys_base = 0x00903400,
+		.aux_clk_sel_phys = 0x02011028,
+		.aux_clk_sel = 3,
+		.sec_clk_sel = 2,
+		.l2cpmr_iaddr = 0x0500,
+		.vreg[VREG_HFPLL_A] = { "l2_s8", 2050000 },
+		.vreg[VREG_HFPLL_B] = { "l2_l23", 1800000 },
+	},
+};
+
+static struct scalable scalable[] __initdata = {
+	[CPU0] = {
+		.hfpll_phys_base = 0x00903200,
+		.aux_clk_sel_phys = 0x02088014,
+		.aux_clk_sel = 3,
+		.sec_clk_sel = 2,
+		.l2cpmr_iaddr = 0x4501,
+		.vreg[VREG_CORE] = { "krait0", 1300000 },
+		.vreg[VREG_MEM]  = { "krait0_mem", 1150000 },
+		.vreg[VREG_DIG]  = { "krait0_dig", 1150000 },
+		.vreg[VREG_HFPLL_A] = { "krait0_hfpll", 1800000 },
+	},
+	[CPU1] = {
+		.hfpll_phys_base = 0x00903300,
+		.aux_clk_sel_phys = 0x02098014,
+		.aux_clk_sel = 3,
+		.sec_clk_sel = 2,
+		.l2cpmr_iaddr = 0x5501,
+		.vreg[VREG_CORE] = { "krait1", 1300000 },
+		.vreg[VREG_MEM]  = { "krait1_mem", 1150000 },
+		.vreg[VREG_DIG]  = { "krait1_dig", 1150000 },
+		.vreg[VREG_HFPLL_A] = { "krait1_hfpll", 1800000 },
+	},
+	[L2] = {
+		.hfpll_phys_base = 0x00903400,
+		.aux_clk_sel_phys = 0x02011028,
+		.aux_clk_sel = 3,
+		.sec_clk_sel = 2,
+		.l2cpmr_iaddr = 0x0500,
+		.vreg[VREG_HFPLL_A] = { "l2_hfpll", 1800000 },
+	},
+};
+
+static struct msm_bus_paths bw_level_tbl[] __initdata = {
+	[0] =  BW_MBPS(640), /* At least  80 MHz on bus. */
+	[1] = BW_MBPS(1064), /* At least 133 MHz on bus. */
+	[2] = BW_MBPS(1600), /* At least 200 MHz on bus. */
+	[3] = BW_MBPS(2128), /* At least 266 MHz on bus. */
+	[4] = BW_MBPS(3200), /* At least 400 MHz on bus. */
+	[5] = BW_MBPS(4800), /* At least 600 MHz on bus. */
+};
+
+static struct msm_bus_scale_pdata bus_scale_data __initdata = {
+	.usecase = bw_level_tbl,
+	.num_usecases = ARRAY_SIZE(bw_level_tbl),
+	.active_only = 1,
+	.name = "acpuclk-8930ab",
+};
+
+/* TODO: Update new L2 freqs once they are available */
+static struct l2_level l2_freq_tbl[] __initdata = {
+	[0]  = { {  384000, PLL_8, 0, 0x00 },  LVL_NOM, 1050000, 1 },
+	[1]  = { {  432000, HFPLL, 2, 0x20 },  LVL_NOM, 1050000, 2 },
+	[2]  = { {  486000, HFPLL, 2, 0x24 },  LVL_NOM, 1050000, 2 },
+	[3]  = { {  540000, HFPLL, 2, 0x28 },  LVL_NOM, 1050000, 2 },
+	[4]  = { {  594000, HFPLL, 1, 0x16 },  LVL_NOM, 1050000, 2 },
+	[5]  = { {  648000, HFPLL, 1, 0x18 },  LVL_NOM, 1050000, 4 },
+	[6]  = { {  702000, HFPLL, 1, 0x1A },  LVL_NOM, 1050000, 4 },
+	[7]  = { {  756000, HFPLL, 1, 0x1C }, LVL_HIGH, 1150000, 4 },
+	[8]  = { {  810000, HFPLL, 1, 0x1E }, LVL_HIGH, 1150000, 4 },
+	[9]  = { {  864000, HFPLL, 1, 0x20 }, LVL_HIGH, 1150000, 4 },
+	[10] = { {  918000, HFPLL, 1, 0x22 }, LVL_HIGH, 1150000, 5 },
+	[11] = { {  972000, HFPLL, 1, 0x24 }, LVL_HIGH, 1150000, 5 },
+	[12] = { { 1026000, HFPLL, 1, 0x26 }, LVL_HIGH, 1150000, 5 },
+	[13] = { { 1080000, HFPLL, 1, 0x28 }, LVL_HIGH, 1150000, 5 },
+	[14] = { { 1134000, HFPLL, 1, 0x2A }, LVL_HIGH, 1150000, 5 },
+	[15] = { { 1188000, HFPLL, 1, 0x2C }, LVL_HIGH, 1150000, 5 },
+	{ }
+};
+
+static struct acpu_level acpu_freq_tbl_slow[] __initdata = {
+	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   950000 },
+	{ 1, {   432000, HFPLL, 2, 0x20 }, L2(5),   975000 },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(5),   975000 },
+	{ 1, {   540000, HFPLL, 2, 0x28 }, L2(5),  1000000 },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(5),  1000000 },
+	{ 1, {   648000, HFPLL, 1, 0x18 }, L2(5),  1025000 },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(5),  1025000 },
+	{ 1, {   756000, HFPLL, 1, 0x1C }, L2(10), 1075000 },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(10), 1075000 },
+	{ 1, {   864000, HFPLL, 1, 0x20 }, L2(10), 1100000 },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(10), 1100000 },
+	{ 1, {   972000, HFPLL, 1, 0x24 }, L2(10), 1125000 },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(10), 1125000 },
+	{ 1, {  1080000, HFPLL, 1, 0x28 }, L2(15), 1175000 },
+	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(15), 1175000 },
+	{ 1, {  1188000, HFPLL, 1, 0x2C }, L2(15), 1200000 },
+	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(15), 1200000 },
+	{ 1, {  1296000, HFPLL, 1, 0x30 }, L2(15), 1225000 },
+	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(15), 1225000 },
+	{ 1, {  1404000, HFPLL, 1, 0x34 }, L2(15), 1237500 },
+	{ 1, {  1458000, HFPLL, 1, 0x36 }, L2(15), 1237500 },
+	{ 1, {  1512000, HFPLL, 1, 0x38 }, L2(15), 1250000 },
+	{ 1, {  1566000, HFPLL, 1, 0x3A }, L2(15), 1250000 },
+	{ 1, {  1620000, HFPLL, 1, 0x3C }, L2(15), 1262500 },
+	{ 1, {  1674000, HFPLL, 1, 0x3E }, L2(15), 1262500 },
+	{ 1, {  1728000, HFPLL, 1, 0x40 }, L2(15), 1287500 },
+	{ 0, { 0 } }
+};
+
+static struct acpu_level acpu_freq_tbl_nom[] __initdata = {
+	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   950000 },
+	{ 1, {   432000, HFPLL, 2, 0x20 }, L2(5),   975000 },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(5),   975000 },
+	{ 1, {   540000, HFPLL, 2, 0x28 }, L2(5),  1000000 },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(5),  1000000 },
+	{ 1, {   648000, HFPLL, 1, 0x18 }, L2(5),  1025000 },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(5),  1025000 },
+	{ 1, {   756000, HFPLL, 1, 0x1C }, L2(10), 1075000 },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(10), 1075000 },
+	{ 1, {   864000, HFPLL, 1, 0x20 }, L2(10), 1100000 },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(10), 1100000 },
+	{ 1, {   972000, HFPLL, 1, 0x24 }, L2(10), 1125000 },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(10), 1125000 },
+	{ 1, {  1080000, HFPLL, 1, 0x28 }, L2(15), 1175000 },
+	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(15), 1175000 },
+	{ 1, {  1188000, HFPLL, 1, 0x2C }, L2(15), 1200000 },
+	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(15), 1200000 },
+	{ 1, {  1296000, HFPLL, 1, 0x30 }, L2(15), 1225000 },
+	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(15), 1225000 },
+	{ 1, {  1404000, HFPLL, 1, 0x34 }, L2(15), 1237500 },
+	{ 1, {  1458000, HFPLL, 1, 0x36 }, L2(15), 1237500 },
+	{ 1, {  1512000, HFPLL, 1, 0x38 }, L2(15), 1250000 },
+	{ 1, {  1566000, HFPLL, 1, 0x3A }, L2(15), 1250000 },
+	{ 1, {  1620000, HFPLL, 1, 0x3C }, L2(15), 1262500 },
+	{ 1, {  1674000, HFPLL, 1, 0x3E }, L2(15), 1262500 },
+	{ 1, {  1728000, HFPLL, 1, 0x40 }, L2(15), 1287500 },
+	{ 0, { 0 } }
+};
+
+static struct acpu_level acpu_freq_tbl_fast[] __initdata = {
+	{ 1, {   384000, PLL_8, 0, 0x00 }, L2(0),   950000 },
+	{ 1, {   432000, HFPLL, 2, 0x20 }, L2(5),   975000 },
+	{ 1, {   486000, HFPLL, 2, 0x24 }, L2(5),   975000 },
+	{ 1, {   540000, HFPLL, 2, 0x28 }, L2(5),  1000000 },
+	{ 1, {   594000, HFPLL, 1, 0x16 }, L2(5),  1000000 },
+	{ 1, {   648000, HFPLL, 1, 0x18 }, L2(5),  1025000 },
+	{ 1, {   702000, HFPLL, 1, 0x1A }, L2(5),  1025000 },
+	{ 1, {   756000, HFPLL, 1, 0x1C }, L2(10), 1075000 },
+	{ 1, {   810000, HFPLL, 1, 0x1E }, L2(10), 1075000 },
+	{ 1, {   864000, HFPLL, 1, 0x20 }, L2(10), 1100000 },
+	{ 1, {   918000, HFPLL, 1, 0x22 }, L2(10), 1100000 },
+	{ 1, {   972000, HFPLL, 1, 0x24 }, L2(10), 1125000 },
+	{ 1, {  1026000, HFPLL, 1, 0x26 }, L2(10), 1125000 },
+	{ 1, {  1080000, HFPLL, 1, 0x28 }, L2(15), 1175000 },
+	{ 1, {  1134000, HFPLL, 1, 0x2A }, L2(15), 1175000 },
+	{ 1, {  1188000, HFPLL, 1, 0x2C }, L2(15), 1200000 },
+	{ 1, {  1242000, HFPLL, 1, 0x2E }, L2(15), 1200000 },
+	{ 1, {  1296000, HFPLL, 1, 0x30 }, L2(15), 1225000 },
+	{ 1, {  1350000, HFPLL, 1, 0x32 }, L2(15), 1225000 },
+	{ 1, {  1404000, HFPLL, 1, 0x34 }, L2(15), 1237500 },
+	{ 1, {  1458000, HFPLL, 1, 0x36 }, L2(15), 1237500 },
+	{ 1, {  1512000, HFPLL, 1, 0x38 }, L2(15), 1250000 },
+	{ 1, {  1566000, HFPLL, 1, 0x3A }, L2(15), 1250000 },
+	{ 1, {  1620000, HFPLL, 1, 0x3C }, L2(15), 1262500 },
+	{ 1, {  1674000, HFPLL, 1, 0x3E }, L2(15), 1262500 },
+	{ 1, {  1728000, HFPLL, 1, 0x40 }, L2(15), 1287500 },
+	{ 0, { 0 } }
+};
+
+/* TODO: Update boost voltage once the pvs data is available */
+static struct pvs_table pvs_tables[NUM_SPEED_BINS][NUM_PVS] __initdata = {
+[0][PVS_SLOW]    = { acpu_freq_tbl_slow, sizeof(acpu_freq_tbl_slow),     0 },
+[0][PVS_NOMINAL] = { acpu_freq_tbl_nom,  sizeof(acpu_freq_tbl_nom),      0 },
+[0][PVS_FAST]    = { acpu_freq_tbl_fast, sizeof(acpu_freq_tbl_fast),     0 },
+};
+
+static struct acpuclk_krait_params acpuclk_8930ab_params __initdata = {
+	.scalable = scalable,
+	.scalable_size = sizeof(scalable),
+	.hfpll_data = &hfpll_data,
+	.pvs_tables = pvs_tables,
+	.l2_freq_tbl = l2_freq_tbl,
+	.l2_freq_tbl_size = sizeof(l2_freq_tbl),
+	.bus_scale = &bus_scale_data,
+	.pte_efuse_phys = 0x007000C0,
+	.stby_khz = 384000,
+};
+
+static int __init acpuclk_8930ab_probe(struct platform_device *pdev)
+{
+	struct acpuclk_platform_data *pdata = pdev->dev.platform_data;
+	if (pdata && pdata->uses_pm8917)
+		acpuclk_8930ab_params.scalable = scalable_pm8917;
+
+	return acpuclk_krait_init(&pdev->dev, &acpuclk_8930ab_params);
+}
+
+static struct platform_driver acpuclk_8930ab_driver = {
+	.driver = {
+		.name = "acpuclk-8930ab",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init acpuclk_8930ab_init(void)
+{
+	return platform_driver_probe(&acpuclk_8930ab_driver,
+				     acpuclk_8930ab_probe);
+}
+device_initcall(acpuclk_8930ab_init);