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path: root/drivers/clk/renesas
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-rw-r--r--drivers/clk/renesas/r8a779g0-cpg-mssr.c3
-rw-r--r--drivers/clk/renesas/r9a08g045-cpg.c13
-rw-r--r--drivers/clk/renesas/rzg2l-cpg.c91
3 files changed, 72 insertions, 35 deletions
diff --git a/drivers/clk/renesas/r8a779g0-cpg-mssr.c b/drivers/clk/renesas/r8a779g0-cpg-mssr.c
index 7cc580d67362..5974adcef3ed 100644
--- a/drivers/clk/renesas/r8a779g0-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a779g0-cpg-mssr.c
@@ -192,6 +192,8 @@ static const struct mssr_mod_clk r8a779g0_mod_clks[] __initconst = {
DEF_MOD("msi3", 621, R8A779G0_CLK_MSO),
DEF_MOD("msi4", 622, R8A779G0_CLK_MSO),
DEF_MOD("msi5", 623, R8A779G0_CLK_MSO),
+ DEF_MOD("pciec0", 624, R8A779G0_CLK_S0D2_HSC),
+ DEF_MOD("pscie1", 625, R8A779G0_CLK_S0D2_HSC),
DEF_MOD("pwm", 628, R8A779G0_CLK_SASYNCPERD4),
DEF_MOD("rpc-if", 629, R8A779G0_CLK_RPCD2),
DEF_MOD("scif0", 702, R8A779G0_CLK_SASYNCPERD4),
@@ -235,6 +237,7 @@ static const struct mssr_mod_clk r8a779g0_mod_clks[] __initconst = {
DEF_MOD("pfc2", 917, R8A779G0_CLK_CL16M),
DEF_MOD("pfc3", 918, R8A779G0_CLK_CL16M),
DEF_MOD("tsc", 919, R8A779G0_CLK_CL16M),
+ DEF_MOD("tsn", 2723, R8A779G0_CLK_S0D4_HSC),
DEF_MOD("ssiu", 2926, R8A779G0_CLK_S0D6_PER),
DEF_MOD("ssi", 2927, R8A779G0_CLK_S0D6_PER),
};
diff --git a/drivers/clk/renesas/r9a08g045-cpg.c b/drivers/clk/renesas/r9a08g045-cpg.c
index 4394cb241d99..2582ba95256e 100644
--- a/drivers/clk/renesas/r9a08g045-cpg.c
+++ b/drivers/clk/renesas/r9a08g045-cpg.c
@@ -181,13 +181,16 @@ static const struct cpg_core_clk r9a08g045_core_clks[] __initconst = {
DEF_G3S_DIV("P3", R9A08G045_CLK_P3, CLK_PLL3_DIV2_4, DIVPL3C, G3S_DIVPL3C_STS,
dtable_1_32, 0, 0, 0, NULL),
DEF_FIXED("P3_DIV2", CLK_P3_DIV2, R9A08G045_CLK_P3, 1, 2),
+ DEF_FIXED("ZT", R9A08G045_CLK_ZT, CLK_PLL3_DIV2_8, 1, 1),
DEF_FIXED("S0", R9A08G045_CLK_S0, CLK_SEL_PLL4, 1, 2),
DEF_FIXED("OSC", R9A08G045_OSCCLK, CLK_EXTAL, 1, 1),
DEF_FIXED("OSC2", R9A08G045_OSCCLK2, CLK_EXTAL, 1, 3),
+ DEF_FIXED("HP", R9A08G045_CLK_HP, CLK_PLL6, 1, 2),
};
static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
DEF_MOD("gic_gicclk", R9A08G045_GIC600_GICCLK, R9A08G045_CLK_P1, 0x514, 0),
+ DEF_MOD("ia55_pclk", R9A08G045_IA55_PCLK, R9A08G045_CLK_P2, 0x518, 0),
DEF_MOD("ia55_clk", R9A08G045_IA55_CLK, R9A08G045_CLK_P1, 0x518, 1),
DEF_MOD("dmac_aclk", R9A08G045_DMAC_ACLK, R9A08G045_CLK_P3, 0x52c, 0),
DEF_MOD("sdhi0_imclk", R9A08G045_SDHI0_IMCLK, CLK_SD0_DIV4, 0x554, 0),
@@ -202,6 +205,12 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
DEF_MOD("sdhi2_imclk2", R9A08G045_SDHI2_IMCLK2, CLK_SD2_DIV4, 0x554, 9),
DEF_MOD("sdhi2_clk_hs", R9A08G045_SDHI2_CLK_HS, R9A08G045_CLK_SD2, 0x554, 10),
DEF_MOD("sdhi2_aclk", R9A08G045_SDHI2_ACLK, R9A08G045_CLK_P1, 0x554, 11),
+ DEF_COUPLED("eth0_axi", R9A08G045_ETH0_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 0),
+ DEF_COUPLED("eth0_chi", R9A08G045_ETH0_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 0),
+ DEF_MOD("eth0_refclk", R9A08G045_ETH0_REFCLK, R9A08G045_CLK_HP, 0x57c, 8),
+ DEF_COUPLED("eth1_axi", R9A08G045_ETH1_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 1),
+ DEF_COUPLED("eth1_chi", R9A08G045_ETH1_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 1),
+ DEF_MOD("eth1_refclk", R9A08G045_ETH1_REFCLK, R9A08G045_CLK_HP, 0x57c, 9),
DEF_MOD("scif0_clk_pck", R9A08G045_SCIF0_CLK_PCK, R9A08G045_CLK_P0, 0x584, 0),
DEF_MOD("gpio_hclk", R9A08G045_GPIO_HCLK, R9A08G045_OSCCLK, 0x598, 0),
};
@@ -209,9 +218,12 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
static const struct rzg2l_reset r9a08g045_resets[] = {
DEF_RST(R9A08G045_GIC600_GICRESET_N, 0x814, 0),
DEF_RST(R9A08G045_GIC600_DBG_GICRESET_N, 0x814, 1),
+ DEF_RST(R9A08G045_IA55_RESETN, 0x818, 0),
DEF_RST(R9A08G045_SDHI0_IXRST, 0x854, 0),
DEF_RST(R9A08G045_SDHI1_IXRST, 0x854, 1),
DEF_RST(R9A08G045_SDHI2_IXRST, 0x854, 2),
+ DEF_RST(R9A08G045_ETH0_RST_HW_N, 0x87c, 0),
+ DEF_RST(R9A08G045_ETH1_RST_HW_N, 0x87c, 1),
DEF_RST(R9A08G045_SCIF0_RST_SYSTEM_N, 0x884, 0),
DEF_RST(R9A08G045_GPIO_RSTN, 0x898, 0),
DEF_RST(R9A08G045_GPIO_PORT_RESETN, 0x898, 1),
@@ -220,6 +232,7 @@ static const struct rzg2l_reset r9a08g045_resets[] = {
static const unsigned int r9a08g045_crit_mod_clks[] __initconst = {
MOD_CLK_BASE + R9A08G045_GIC600_GICCLK,
+ MOD_CLK_BASE + R9A08G045_IA55_PCLK,
MOD_CLK_BASE + R9A08G045_IA55_CLK,
MOD_CLK_BASE + R9A08G045_DMAC_ACLK,
};
diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c
index 764bd72cf059..3d2daa4ba2a4 100644
--- a/drivers/clk/renesas/rzg2l-cpg.c
+++ b/drivers/clk/renesas/rzg2l-cpg.c
@@ -1410,41 +1410,33 @@ fail:
#define rcdev_to_priv(x) container_of(x, struct rzg2l_cpg_priv, rcdev)
-static int rzg2l_cpg_reset(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev);
- const struct rzg2l_cpg_info *info = priv->info;
- unsigned int reg = info->resets[id].off;
- u32 dis = BIT(info->resets[id].bit);
- u32 we = dis << 16;
-
- dev_dbg(rcdev->dev, "reset id:%ld offset:0x%x\n", id, CLK_RST_R(reg));
-
- /* Reset module */
- writel(we, priv->base + CLK_RST_R(reg));
-
- /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */
- udelay(35);
-
- /* Release module from reset state */
- writel(we | dis, priv->base + CLK_RST_R(reg));
-
- return 0;
-}
-
static int rzg2l_cpg_assert(struct reset_controller_dev *rcdev,
unsigned long id)
{
struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev);
const struct rzg2l_cpg_info *info = priv->info;
unsigned int reg = info->resets[id].off;
- u32 value = BIT(info->resets[id].bit) << 16;
+ u32 mask = BIT(info->resets[id].bit);
+ s8 monbit = info->resets[id].monbit;
+ u32 value = mask << 16;
dev_dbg(rcdev->dev, "assert id:%ld offset:0x%x\n", id, CLK_RST_R(reg));
writel(value, priv->base + CLK_RST_R(reg));
- return 0;
+
+ if (info->has_clk_mon_regs) {
+ reg = CLK_MRST_R(reg);
+ } else if (monbit >= 0) {
+ reg = CPG_RST_MON;
+ mask = BIT(monbit);
+ } else {
+ /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */
+ udelay(35);
+ return 0;
+ }
+
+ return readl_poll_timeout_atomic(priv->base + reg, value,
+ value & mask, 10, 200);
}
static int rzg2l_cpg_deassert(struct reset_controller_dev *rcdev,
@@ -1453,14 +1445,40 @@ static int rzg2l_cpg_deassert(struct reset_controller_dev *rcdev,
struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev);
const struct rzg2l_cpg_info *info = priv->info;
unsigned int reg = info->resets[id].off;
- u32 dis = BIT(info->resets[id].bit);
- u32 value = (dis << 16) | dis;
+ u32 mask = BIT(info->resets[id].bit);
+ s8 monbit = info->resets[id].monbit;
+ u32 value = (mask << 16) | mask;
dev_dbg(rcdev->dev, "deassert id:%ld offset:0x%x\n", id,
CLK_RST_R(reg));
writel(value, priv->base + CLK_RST_R(reg));
- return 0;
+
+ if (info->has_clk_mon_regs) {
+ reg = CLK_MRST_R(reg);
+ } else if (monbit >= 0) {
+ reg = CPG_RST_MON;
+ mask = BIT(monbit);
+ } else {
+ /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */
+ udelay(35);
+ return 0;
+ }
+
+ return readl_poll_timeout_atomic(priv->base + reg, value,
+ !(value & mask), 10, 200);
+}
+
+static int rzg2l_cpg_reset(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ int ret;
+
+ ret = rzg2l_cpg_assert(rcdev, id);
+ if (ret)
+ return ret;
+
+ return rzg2l_cpg_deassert(rcdev, id);
}
static int rzg2l_cpg_status(struct reset_controller_dev *rcdev,
@@ -1468,18 +1486,21 @@ static int rzg2l_cpg_status(struct reset_controller_dev *rcdev,
{
struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev);
const struct rzg2l_cpg_info *info = priv->info;
- unsigned int reg = info->resets[id].off;
- u32 bitmask = BIT(info->resets[id].bit);
s8 monbit = info->resets[id].monbit;
+ unsigned int reg;
+ u32 bitmask;
if (info->has_clk_mon_regs) {
- return !!(readl(priv->base + CLK_MRST_R(reg)) & bitmask);
+ reg = CLK_MRST_R(info->resets[id].off);
+ bitmask = BIT(info->resets[id].bit);
} else if (monbit >= 0) {
- u32 monbitmask = BIT(monbit);
-
- return !!(readl(priv->base + CPG_RST_MON) & monbitmask);
+ reg = CPG_RST_MON;
+ bitmask = BIT(monbit);
+ } else {
+ return -ENOTSUPP;
}
- return -ENOTSUPP;
+
+ return !!(readl(priv->base + reg) & bitmask);
}
static const struct reset_control_ops rzg2l_cpg_reset_ops = {
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