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authorClaudiu Beznea <claudiu.beznea.uj@bp.renesas.com>2024-06-14 10:19:21 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2024-06-27 18:16:39 +0200
commitc8bd9bd6446fa034a1877b553bf118606b37c025 (patch)
treece9ac9b2648249116ca7e1ca8996fe6e5ef4dbe3 /drivers/clk/renesas
parentd6c5fc9add9eb7a0d5bd179ab07cbf43e32b28d8 (diff)
clk: renesas: r9a08g045: Add clock, reset and power domain support for the VBATTB IP
The Renesas RZ/G3S SoC has an IP named Battery Backup Function (VBATTB) that generates the RTC clock. Add clock, reset and power domain support for it. Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/20240614071932.1014067-2-claudiu.beznea.uj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/clk/renesas')
-rw-r--r--drivers/clk/renesas/r9a08g045-cpg.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/clk/renesas/r9a08g045-cpg.c b/drivers/clk/renesas/r9a08g045-cpg.c
index b068733b145f..2ae97c29c377 100644
--- a/drivers/clk/renesas/r9a08g045-cpg.c
+++ b/drivers/clk/renesas/r9a08g045-cpg.c
@@ -215,6 +215,7 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
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),
+ DEF_MOD("vbat_bclk", R9A08G045_VBAT_BCLK, R9A08G045_OSCCLK, 0x614, 0),
};
static const struct rzg2l_reset r9a08g045_resets[] = {
@@ -231,6 +232,7 @@ static const struct rzg2l_reset r9a08g045_resets[] = {
DEF_RST(R9A08G045_GPIO_RSTN, 0x898, 0),
DEF_RST(R9A08G045_GPIO_PORT_RESETN, 0x898, 1),
DEF_RST(R9A08G045_GPIO_SPARE_RESETN, 0x898, 2),
+ DEF_RST(R9A08G045_VBAT_BRESETN, 0x914, 0),
};
static const unsigned int r9a08g045_crit_mod_clks[] __initconst = {
@@ -238,6 +240,7 @@ static const unsigned int r9a08g045_crit_mod_clks[] __initconst = {
MOD_CLK_BASE + R9A08G045_IA55_PCLK,
MOD_CLK_BASE + R9A08G045_IA55_CLK,
MOD_CLK_BASE + R9A08G045_DMAC_ACLK,
+ MOD_CLK_BASE + R9A08G045_VBAT_BCLK,
};
static const struct rzg2l_cpg_pm_domain_init_data r9a08g045_pm_domains[] = {
@@ -275,6 +278,9 @@ static const struct rzg2l_cpg_pm_domain_init_data r9a08g045_pm_domains[] = {
DEF_PD("scif0", R9A08G045_PD_SCIF0,
DEF_REG_CONF(CPG_BUS_MCPU2_MSTOP, BIT(1)),
RZG2L_PD_F_NONE),
+ DEF_PD("vbat", R9A08G045_PD_VBAT,
+ DEF_REG_CONF(CPG_BUS_MCPU3_MSTOP, BIT(8)),
+ RZG2L_PD_F_ALWAYS_ON),
};
const struct rzg2l_cpg_info r9a08g045_cpg_info = {