lkml.org 
[lkml]   [2020]   [Mar]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCHv3 5/5] clk: samsung: exynos542x: Move FSYS subsystem clocks to its sub-CMU
Date
FSYS power domain support usbdrd3, pdma and usb2 power gaiting,
hence move FSYS clk setting to sub-CMU block to support power domain
on/off sequences for device nodes.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
New patch in the series
---
drivers/clk/samsung/clk-exynos5420.c | 45 +++++++++++++++++++++-------
1 file changed, 34 insertions(+), 11 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index c9e5a1fb6653..6c4c47dfcdce 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -859,12 +859,6 @@ static const struct samsung_div_clock exynos5x_div_clks[] __initconst = {
DIV(0, "dout_maudio0", "mout_maudio0", DIV_MAU, 20, 4),
DIV(0, "dout_maupcm0", "dout_maudio0", DIV_MAU, 24, 8),

- /* USB3.0 */
- DIV(0, "dout_usbphy301", "mout_usbd301", DIV_FSYS0, 12, 4),
- DIV(0, "dout_usbphy300", "mout_usbd300", DIV_FSYS0, 16, 4),
- DIV(0, "dout_usbd301", "mout_usbd301", DIV_FSYS0, 20, 4),
- DIV(0, "dout_usbd300", "mout_usbd300", DIV_FSYS0, 24, 4),
-
/* MMC */
DIV(0, "dout_mmc0", "mout_mmc0", DIV_FSYS1, 0, 10),
DIV(0, "dout_mmc1", "mout_mmc1", DIV_FSYS1, 10, 10),
@@ -1031,8 +1025,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = {

/* FSYS Block */
GATE(CLK_TSI, "tsi", "aclk200_fsys", GATE_BUS_FSYS0, 0, 0, 0),
- GATE(CLK_PDMA0, "pdma0", "aclk200_fsys", GATE_BUS_FSYS0, 1, 0, 0),
- GATE(CLK_PDMA1, "pdma1", "aclk200_fsys", GATE_BUS_FSYS0, 2, 0, 0),
GATE(CLK_UFS, "ufs", "aclk200_fsys2", GATE_BUS_FSYS0, 3, 0, 0),
GATE(CLK_RTIC, "rtic", "aclk200_fsys", GATE_IP_FSYS, 9, 0, 0),
GATE(CLK_MMC0, "mmc0", "aclk200_fsys2", GATE_IP_FSYS, 12, 0, 0),
@@ -1040,9 +1032,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = {
GATE(CLK_MMC2, "mmc2", "aclk200_fsys2", GATE_IP_FSYS, 14, 0, 0),
GATE(CLK_SROMC, "sromc", "aclk200_fsys2",
GATE_IP_FSYS, 17, CLK_IGNORE_UNUSED, 0),
- GATE(CLK_USBH20, "usbh20", "aclk200_fsys", GATE_IP_FSYS, 18, 0, 0),
- GATE(CLK_USBD300, "usbd300", "aclk200_fsys", GATE_IP_FSYS, 19, 0, 0),
- GATE(CLK_USBD301, "usbd301", "aclk200_fsys", GATE_IP_FSYS, 20, 0, 0),
GATE(CLK_SCLK_UNIPRO, "sclk_unipro", "dout_unipro",
SRC_MASK_FSYS, 24, CLK_SET_RATE_PARENT, 0),

@@ -1258,6 +1247,28 @@ static struct exynos5_subcmu_reg_dump exynos5x_gsc_suspend_regs[] = {
{ DIV2_RATIO0, 0, 0x30 }, /* DIV dout_gscl_blk_300 */
};

+/* USB3.0 */
+static const struct samsung_div_clock exynos5x_fsys_div_clks[] __initconst = {
+ DIV(0, "dout_usbphy301", "mout_usbd301", DIV_FSYS0, 12, 4),
+ DIV(0, "dout_usbphy300", "mout_usbd300", DIV_FSYS0, 16, 4),
+ DIV(0, "dout_usbd301", "mout_usbd301", DIV_FSYS0, 20, 4),
+ DIV(0, "dout_usbd300", "mout_usbd300", DIV_FSYS0, 24, 4),
+};
+
+static const struct samsung_gate_clock exynos5x_fsys_gate_clks[] __initconst = {
+ GATE(CLK_PDMA0, "pdma0", "aclk200_fsys", GATE_BUS_FSYS0, 1, 0, 0),
+ GATE(CLK_PDMA1, "pdma1", "aclk200_fsys", GATE_BUS_FSYS0, 2, 0, 0),
+ GATE(CLK_USBH20, "usbh20", "aclk200_fsys", GATE_IP_FSYS, 18, 0, 0),
+ GATE(CLK_USBD300, "usbd300", "aclk200_fsys", GATE_IP_FSYS, 19, 0, 0),
+ GATE(CLK_USBD301, "usbd301", "aclk200_fsys", GATE_IP_FSYS, 20, 0, 0),
+};
+
+static struct exynos5_subcmu_reg_dump exynos5x_fsys_suspend_regs[] = {
+ { GATE_IP_FSYS, 0xffffffff, 0xffffffff }, /* FSYS gates */
+ { SRC_TOP3, 0, BIT(24) }, /* SW_MUX_PCLK_200_FSYS_SEL */
+ { SRC_TOP3, 0, BIT(28) }, /* SW_MUX_ACLK_200_FSYS_SEL */
+};
+
static const struct samsung_gate_clock exynos5x_g3d_gate_clks[] __initconst = {
GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9,
CLK_SET_RATE_PARENT, 0),
@@ -1376,12 +1387,23 @@ static const struct exynos5_subcmu_info exynos5800_mau_subcmu = {
.pd_name = "MAU",
};

+static const struct exynos5_subcmu_info exynos5x_fsys_subcmu = {
+ .div_clks = exynos5x_fsys_div_clks,
+ .nr_div_clks = ARRAY_SIZE(exynos5x_fsys_div_clks),
+ .gate_clks = exynos5x_fsys_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(exynos5x_fsys_gate_clks),
+ .suspend_regs = exynos5x_fsys_suspend_regs,
+ .nr_suspend_regs = ARRAY_SIZE(exynos5x_fsys_suspend_regs),
+ .pd_name = "FSYS",
+};
+
static const struct exynos5_subcmu_info *exynos5x_subcmus[] = {
&exynos5x_disp_subcmu,
&exynos5x_gsc_subcmu,
&exynos5x_g3d_subcmu,
&exynos5x_mfc_subcmu,
&exynos5x_mscl_subcmu,
+ &exynos5x_fsys_subcmu,
};

static const struct exynos5_subcmu_info *exynos5800_subcmus[] = {
@@ -1391,6 +1413,7 @@ static const struct exynos5_subcmu_info *exynos5800_subcmus[] = {
&exynos5x_mfc_subcmu,
&exynos5x_mscl_subcmu,
&exynos5800_mau_subcmu,
+ &exynos5x_fsys_subcmu,
};

static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __initconst = {
--
2.25.1
\
 
 \ /
  Last update: 2020-03-10 20:50    [W:0.122 / U:2.700 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site