linux-kernel - [PATCH 3/4] clk: stm32mp25: add security clocks

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Date: Fri, 19 Apr 2024 17:27:22 +0200
From: <gabriel.fernandez@...s.st.com>
To: Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd
	<sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Gabriel Fernandez <gabriel.fernandez@...s.st.com>
CC: <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/4] clk: stm32mp25: add security clocks

From: Gabriel Fernandez <gabriel.fernandez@...s.st.com>

Add ck_icn_p_iwdg1, ck_icn_p_pka, ck_icn_p_rng, ck_icn_p_saes,
ck_icn_p_serc clocks.
They could be configured for non secured world.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
---
 drivers/clk/stm32/clk-stm32mp25.c | 34 +++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/clk/stm32/clk-stm32mp25.c b/drivers/clk/stm32/clk-stm32mp25.c
index a37ee9f707e3..28e2ab1d0a2e 100644
--- a/drivers/clk/stm32/clk-stm32mp25.c
+++ b/drivers/clk/stm32/clk-stm32mp25.c
@@ -888,6 +888,11 @@ static struct clk_stm32_gate ck_icn_p_is2m = {
 };
 
 /* IWDG */
+static struct clk_stm32_gate ck_icn_p_iwdg1 = {
+	.gate_id = GATE_IWDG1,
+	.hw.init = CLK_HW_INIT_INDEX("ck_icn_p_iwdg1", ICN_APB3, &clk_stm32_gate_ops, 0),
+};
+
 static struct clk_stm32_gate ck_icn_p_iwdg2 = {
 	.gate_id = GATE_IWDG2,
 	.hw.init = CLK_HW_INIT_INDEX("ck_icn_p_iwdg2", ICN_APB3, &clk_stm32_gate_ops, 0),
@@ -1008,6 +1013,24 @@ static struct clk_stm32_gate ck_icn_p_pcie = {
 	.hw.init = CLK_HW_INIT_INDEX("ck_icn_p_pcie", ICN_LS_MCU, &clk_stm32_gate_ops, 0),
 };
 
+/* PKA */
+static struct clk_stm32_gate ck_icn_p_pka = {
+	.gate_id = GATE_PKA,
+	.hw.init = CLK_HW_INIT_INDEX("ck_icn_p_pka", ICN_LS_MCU, &clk_stm32_gate_ops, 0),
+};
+
+/* RNG */
+static struct clk_stm32_gate ck_icn_p_rng = {
+	.gate_id = GATE_RNG,
+	.hw.init = CLK_HW_INIT_INDEX("ck_icn_p_rng", ICN_LS_MCU, &clk_stm32_gate_ops, 0),
+};
+
+/* SAES */
+static struct clk_stm32_gate ck_icn_p_saes = {
+	.gate_id = GATE_SAES,
+	.hw.init = CLK_HW_INIT_INDEX("ck_icn_p_saes", ICN_LS_MCU, &clk_stm32_gate_ops, 0),
+};
+
 /* SAI */
 static struct clk_stm32_gate ck_icn_p_sai1 = {
 	.gate_id = GATE_SAI1,
@@ -1084,6 +1107,12 @@ static struct clk_stm32_gate ck_ker_sdmmc3 = {
 	.hw.init = CLK_HW_INIT_INDEX("ck_ker_sdmmc3", FLEXGEN_53, &clk_stm32_gate_ops, 0),
 };
 
+/* SERC */
+static struct clk_stm32_gate ck_icn_p_serc = {
+	.gate_id = GATE_SERC,
+	.hw.init = CLK_HW_INIT_INDEX("ck_icn_p_serc", ICN_APB3, &clk_stm32_gate_ops, 0),
+};
+
 /* SPDIF */
 static struct clk_stm32_gate ck_icn_p_spdifrx = {
 	.gate_id = GATE_SPDIFRX,
@@ -1605,8 +1634,11 @@ static const struct clock_config stm32mp25_clock_cfg[] = {
 	STM32_GATE_CFG(CK_BUS_MDF1,		ck_icn_p_mdf1,		SEC_RIFSC(54)),
 	STM32_GATE_CFG(CK_BUS_OSPIIOM,		ck_icn_p_ospiiom,	SEC_RIFSC(111)),
 	STM32_GATE_CFG(CK_BUS_HASH,		ck_icn_p_hash,		SEC_RIFSC(95)),
+	STM32_GATE_CFG(CK_BUS_RNG,		ck_icn_p_rng,		SEC_RIFSC(92)),
 	STM32_GATE_CFG(CK_BUS_CRYP1,		ck_icn_p_cryp1,		SEC_RIFSC(96)),
 	STM32_GATE_CFG(CK_BUS_CRYP2,		ck_icn_p_cryp2,		SEC_RIFSC(97)),
+	STM32_GATE_CFG(CK_BUS_SAES,		ck_icn_p_saes,		SEC_RIFSC(94)),
+	STM32_GATE_CFG(CK_BUS_PKA,		ck_icn_p_pka,		SEC_RIFSC(93)),
 	STM32_GATE_CFG(CK_BUS_ADF1,		ck_icn_p_adf1,		SEC_RIFSC(55)),
 	STM32_GATE_CFG(CK_BUS_SPI8,		ck_icn_p_spi8,		SEC_RIFSC(29)),
 	STM32_GATE_CFG(CK_BUS_LPUART1,		ck_icn_p_lpuart1,	SEC_RIFSC(40)),
@@ -1674,11 +1706,13 @@ static const struct clock_config stm32mp25_clock_cfg[] = {
 	STM32_GATE_CFG(CK_BUS_SPI5,		ck_icn_p_spi5,		SEC_RIFSC(26)),
 	STM32_GATE_CFG(CK_BUS_SPI6,		ck_icn_p_spi6,		SEC_RIFSC(27)),
 	STM32_GATE_CFG(CK_BUS_SPI7,		ck_icn_p_spi7,		SEC_RIFSC(28)),
+	STM32_GATE_CFG(CK_BUS_IWDG1,		ck_icn_p_iwdg1,		SEC_RIFSC(98)),
 	STM32_GATE_CFG(CK_BUS_IWDG2,		ck_icn_p_iwdg2,		SEC_RIFSC(99)),
 	STM32_GATE_CFG(CK_BUS_IWDG3,		ck_icn_p_iwdg3,		SEC_RIFSC(100)),
 	STM32_GATE_CFG(CK_BUS_IWDG4,		ck_icn_p_iwdg4,		SEC_RIFSC(101)),
 	STM32_GATE_CFG(CK_BUS_WWDG1,		ck_icn_p_wwdg1,		SEC_RIFSC(103)),
 	STM32_GATE_CFG(CK_BUS_VREF,		ck_icn_p_vref,		SEC_RIFSC(106)),
+	STM32_GATE_CFG(CK_BUS_SERC,		ck_icn_p_serc,		SEC_RIFSC(110)),
 	STM32_GATE_CFG(CK_BUS_HDP,		ck_icn_p_hdp,		SEC_RIFSC(57)),
 	STM32_GATE_CFG(CK_BUS_IS2M,		ck_icn_p_is2m,		MP25_RIF_RCC_IS2M),
 	STM32_GATE_CFG(CK_BUS_DSI,		ck_icn_p_dsi,		SEC_RIFSC(81)),
-- 
2.25.1